| A000 | Administrative Support |
| A100 | Electronic |
| A200 | Health Care |
| A300 | Safety |
| A400 | Transportation |
| A500 | Food and Drug |
| A600 | Other Technical Testing or Inspection |
| A610 | Management Headquarters-Test and Evaluation. |
| A620 | Test and Evaluation Operations. |
| A630 | Management and Support to Test and Evaluation. |
| A699 | Other Test and Evaluation Activities. |
| A700 | Systems Certification Services |
| B000 | Personnel Administrative Support |
| B100 | Classification |
| B102 | Classification Reviews |
| B200 | Employee Development |
| B300 | Staffing Reviews |
| B301 | Processing |
| B302 | Manpower Research and Analysis |
| B303 | Manpower Development |
| B400 | Employee Relations |
| B401 | Benefits Reviews and Analysis |
| B500 | Labor Relations and Support |
| B501 | Agency Equal Employment Opportunity Reviews |
| B502 | Negotiated Dispute Resolution |
| B600 | Examining |
| B700 | Personnel Management Specialist |
| B701 | Personnel Operations Management |
| B702 | Personnel IT Support |
| B710 | Management Headquarters-Civilian Personnel. |
| B720 | Civilian Personnel Operations. |
| B810 | Management Headquarters-Military Personnel. |
| B820 | Military Recruiting and Examining Operations. |
| B830 | Military Personnel Operations. |
| B910 | Management Headquarters-Personnel Social Action Programs. |
| B920 | Personnel Social Action Program Operations. |
| B999 | Other Personnel Activities. |
| C000 | Administrative Support |
| C100 | Voucher Examining |
| C110 | Management Headquarters-Financial Management. |
| C200 | Cash Receipt |
| C300 | Accounting Technicians |
| C301 | Accounts Payable |
| C302 | Travel Processing |
| C303 | Fixed Assets |
| C304 | Accounts Receivable |
| C305 | Collections |
| C306 | Customer Billings |
| C307 | General Accounting |
| C308 | Financial Report Generation |
| C309 | Cost Accounting |
| C310 | Payroll Processing |
| C311 | Claims Analysis |
| C312 | Payments Issuance Support/Processing |
| C313 | Financial Systems Support |
| C314 | Financial Management and Program Planning |
| C315 | Financial Management Operations |
| C316 | Financial Systems Development and Planning |
| C317 | Financial Systems Operations |
| C400 | Budget Support |
| C401 | Financial Analysis |
| C402 | Cash and Debt Management |
| C403 | Financial Program Management |
| C404 | Business Performance Reporting |
| C405 | Business Performance Analysis |
| C406 | Cost Analysis |
| C407 | Mortgage Analysis |
| C408 | Asset Management and Disposal |
| C409 | Property Oversight |
| C500 | External Auditing |
| C501 | Internal Auditing |
| C700 | Finance/Accounting Services. |
| C999 | Other Financial Management Activities. |
| D000 | Administrative Support |
| D001 | Management |
| D100 | Regulatory Activities Support |
| D101 | Regulatory Economists/Statisticians |
| D102 | Regulatory Audits |
| D103 | Salary/wages Reviews |
| D104 | Labor Wage and Hour Compliance Reviews |
| D105 | Education Benefits and Entitlements Analysis |
| D106 | Loan Guaranty Benefits and Entitlements Analysis |
| D107 | Vocational Entitlements Analysis |
| D200 | Data Collection and Analysis |
| D201 | Customer Surveys and Evaluations |
| D300 | Statistical Analysis |
| D350 | Economic Policy |
| D351 | Economic Analysis |
| D400 | Compliance Surveys and Inspections |
| D410 | Compliance Operations |
| D411 | Compliance Assessments |
| D500 | Benefits and Entitlements Services |
| D501 | Customer Services |
| D502 | Administrative Reviews |
| D503 | Compensation Claims Reviews |
| D504 | Insurance Analysis |
| D505 | Compensation Claims Examining |
| D600 | Tax Law |
| D601 | Revenue Agent |
| D602 | Revenue Officer |
| D603 | Tax Examiner |
| D604 | Customer Service Contacts |
| D605 | Tax Law Specialist |
| D606 | Asset Appraisal and Valuation |
| D607 | Critical Infastructure Identification and Operations |
| D608 | Critical Infastructure Management and Analysis |
| D700 | Systems Design, Testing and Certification |
| D701 | Program Marketing and Outreach |
| D702 | Program Planning and Support |
| D703 | Application Receipt and Processing |
| D704 | Program Monitoring and Evaluation |
| D705 | Program Marketing and Outreach |
| D706 | Program Monitoring |
| D707 | Program Evaluation |
| D708 | Application Receipt/Processing |
| D709 | Mortgage Underwriting |
| D710 | Field Inspection Services |
| D711 | External Equal Employment Opportunity Reviews |
| D712 | Safety and Occupational Health Management |
| D713 | Safety and Occupational Health Inspections |
| D720 | Independent Appeals Reviews |
| D800 | Air Traffic Control |
| D801 | Air Traffic Systems Inspections |
| D900 | Maritime Traffic Control |
| D910 | Operation of Locks and Dams |
| D920 | Buoy Maintenance |
| D930 | Mine Safety and Health |
| E000 | Administrative Support |
| E100 | Hazardous Waste Management |
| E101 | Environmental Restoration Analysis |
| E102 | FIFRA/FDCA Risk Analysis |
| E103 | FSCA Risk Analysis |
| E104 | Environmental Clean-up Services |
| E110 | Management Headquarters-Environmental Security. |
| E120 | Environmental and Natural Resource Services. |
| E200 | Solid Waste Data Collection/Analysis |
| E220 | Safety. |
| E225 | Occupational Health Services. |
| E230 | Explosives Safety. |
| E250 | Response to Hazardous Material Mishaps. |
| E300 | Pollution Prevention |
| E400 | Air Pollution Data Collection/Analysis |
| E401 | Clean Air Act Pollution Prevention |
| E500 | Water Data Collection/Analysis |
| E501 | Clean Water Act Compliance/Pollution Prevention |
| E502 | Safe Drinking Water Act Compliance/Pollution Prevention |
| E503 | Occupational Safety, Health and Environmental Compliance |
| E600 | Environmental Planning/NEPA |
| E601 | Environmental Impact Statements |
| E602 | Environmental Impact Statement Reviews |
| E700 | Resource Conservation and Recovery Act Compliance/Pollution Prevention |
| E800 | Multimedia Compliance/Pollution Prevention |
| E801 | Trusteeship |
| E999 | Other Environmental Security Activities. |
| F000 | Administrative Support |
| F100 | "Quality Assurance" |
| F110 | Management Headquarters-Systems Acquisition. |
| F120 | Systems Acquisition-Program Management. |
| F140 | Technology Transfer and International Cooperative Program Management. |
| F150 | Systems Acquisition-Research and Development Support. |
| F160 | Systems Acquisition-Other Program Support. |
| F199 | Other Systems Acquisition Activities. |
| F200 | Contracting (Operational) |
| F300 | Contracting (Analysis) |
| F310 | Management Headquarters-Procurement and Contracting. |
| F320 | Contract Administration and Operations. |
| F399 | Other Procurement and Contracting Activities. |
| F400 | Recurring Purchasing |
| F510 | Engineering Support at Maintenance Depots. |
| F520 | All Other Engineering Support. |
| G000 | Administrative Support |
| G001 | Care of Remains of Deceased Personnel & Funeral Services |
| G006 | Commissary Management. |
| G008 | Commissary Operations |
| G009 | Clothing Sales Store Operations |
| G010 | Recreational Library Services |
| G011 | Morale, Welfare, and Recreation Services |
| G012 | Community Services |
| G013 | Military Exchange Operations. |
| G050 | Management Headquarters-Community and Family Services. |
| G055 | Morale, Welfare, and Recreation (MWR) Services. |
| G060 | Family Center Services. |
| G065 | Child-Care and Youth Programs. |
| G080 | Homeowners' Assistance Program. |
| G090 | Employee Relocation Assistance Program. |
| G100 | Disaster Relief Applications Services |
| G101 | Disaster Relief Services |
| G102 | Librarian Services |
| G103 | Library Operations and Management |
| G104 | Technical/Professional/Legal Library Information Services |
| G105 | Recreational Library Operations. |
| G210 | Postal Services. |
| G220 | Military Bands. |
| G900 | Chaplain Activities and Support Services |
| G901 | Housing Administrative Services |
| G902 | Casualty and Mortuary Affairs. |
| G904 | Family Services |
| G905 | Community Relations |
| G910 | Temporary Lodging Services. |
| G999 | Other Social Services |
| H000 | Administrative Support |
| H010 | Management Headquarters-Health Services |
| H050 | Hospital/Clinic Management. |
| H100 | Medical Care. |
| H101 | Hospital Care |
| H102 | Surgical Care |
| H103 | Surgical Services |
| H105 | Nutritional Care |
| H106 | Pathology Services |
| H107 | Radiology Services |
| H108 | Pharmacy Services |
| H109 | Physical Therapy |
| H110 | Materiel Services |
| H111 | Orthopedic Services |
| H112 | Ambulance Services |
| H113 | Dental Care |
| H114 | Dental Laboratories |
| H115 | Clinics and Dispensaries |
| H116 | Veterinary Services |
| H117 | Medical Records |
| H118 | Nursing Services |
| H119 | Preventive Medicine |
| H120 | Occupational Health |
| H121 | Drug Rehabilitation |
| H125 | Rehabilitation Services |
| H127 | Alcohol and Drug Rehabilitation |
| H201 | Medical Services |
| H202 | Psychiatric and Psychology Services |
| H203 | Ambulatory Care Services |
| H204 | Domiciliary Care |
| H205 | Extended Care Services |
| H206 | Social Work |
| H207 | Field Pathology & Laboratory Medicine |
| H208 | Audiology & Speech Pathology Services |
| H209 | Nuclear Medicine Services |
| H210 | Pediatric Services |
| H211 | Optometric Services |
| H212 | Spinal Cord Injury Services |
| H213 | GRECC Services |
| H214 | Neurology Services |
| H215 | Dermatology Services |
| H216 | Radiation Therapy Services |
| H217 | Mental Illness Research, Education & Clinic |
| H218 | Rehabilitation Medicine Services |
| H219 | Nutrition &Food Production Services |
| H220 | Blind Rehabilitation Services |
| H221 | Recreation Services |
| H222 | Prosthetic & Sensory Aides Services |
| H223 | Ambulatory Care Administration |
| H224 | Learning Resource Centers |
| H225 | Federal Employee Health Services |
| H226 | VISN Services & VISN Support Service Center |
| H227 | Veterans Canteen Service |
| H250 | Medical and Dental Devices Development. |
| H300 | Emergency Medical Services Management Planning |
| H301 | Emergency Medical Services |
| H350 | Hospital Food Services and Nutritional Care. |
| H400 | Medical Evaluation Services |
| H401 | Medical Officers |
| H402 | Industrial Hygiene Reviews and Analysis |
| H403 | Health Inspections |
| H404 | Health Services Administration and Management |
| H450 | Medical Records and Medical Transcription. |
| H500 | Dialysis Services |
| H501 | Anesthesiology |
| H502 | Diagnostic Radiology |
| H503 | Geriatrics |
| H504 | Geriatric Research |
| H505 | Geriatric Clinical Centers |
| H506 | Orthopedic Shoe Services |
| H507 | Orthotics Laboratory |
| H600 | Hospital Administration |
| H601 | Ward Administration |
| H602 | Income Verification |
| H603 | Claims Analysis |
| H604 | Hospital Supply and Distribution |
| H605 | Ambulatory Care Administration |
| H606 | Information Resource Management Services |
| H607 | Voluntary Services Administration |
| H608 | Records Administration |
| H609 | Bed Services and Patient Assistance |
| H610 | Waste Management |
| H650 | Hospital Supplies and Equipment. |
| H710 | Medical Transportation Services. |
| H999 | Other Health Services |
| I000 | Administrative Support |
| I100 | Inspector General Services |
| I105 | IG Legal Services |
| I110 | Management Headquarters-Audit. |
| I115 | IG Program Manangement |
| I120 | Audit Operations. |
| I200 | Safety |
| I412 | Investigative Data Analysis |
| I414 | Field Technical Services |
| I415 | Non-field Technical Support to Criminal Investigations |
| I416 | Non-Field Administrative Support Criminal Investigations |
| I420 | Financial Audits |
| I430 | Performance Audits |
| I440 | Management Evaluations/Audits |
| I441 | Logistics Audits |
| I500 | Background investigations |
| I501 | IG Data Collection and Analysis |
| I502 | Case Assessment/Management/Disposition |
| I510 | Personnel Security Clearances and Background Investigations. |
| I520 | Criminal, Counter Intelligence, and Administrative Investigative Services. |
| I530 | Industrial Security Assessments. |
| I999 | Other Audit and Investigative Activities. |
| J000 | Administrative Support |
| J410 | Organizational and Intermediate Repair and Maintenance Management. |
| J501 | Aircraft |
| J502 | Aircraft Engines |
| J503 | Missiles |
| J504 | Vessels |
| J505 | Combat Vehicles |
| J506 | Non-Combat Vehicles and Equipment |
| J507 | Electronic and Communication Equipment |
| J510 | Railway Equipment |
| J511 | Special Equipment |
| J512 | Armament |
| J513 | Dining Facility Equipment |
| J514 | Medical and Dental Equipment |
| J515 | Containers, Textile, Tents, and Tarpaulins |
| J516 | Metal Containers |
| J517 | Training Devices and Audiovisual Equipment |
| J518 | Support Equipment. |
| J519 | Industrial Plant Equipment |
| J520 | Test, Measurement and Diagnostic Equipment (TMDE) |
| J521 | Other Test, Measurement and Diagnostic Equipment |
| J522 | Aeronautical Support Equipment |
| J550 | Software Support for Embedded and Mission Systems. |
| J555 | Tactical Automatic Data Processing Equipment (ADPE). |
| J570 | Armament and Ordnance. |
| J575 | Munitions. |
| J600 | Metal and Other Containers, Textiles, Tents and Tarpaulins. |
| J700 | Portable Troop Support Equipment. |
| J750 | Portable Field Medical and Dental Equipment. |
| J999 | Organizational and Intermediate Maintenance and Repair of Other Equipment. |
| K000 | Administrative Support |
| K410 | Depot Management. |
| K531 | Aircraft |
| K532 | Aircraft Engines |
| K533 | Missiles |
| K534 | Vessels |
| K535 | Combat Vehicles |
| K536 | Non-Combat Vehicles and Equipment |
| K537 | Electronic and Communication Equipment |
| K538 | Railway Equipment |
| K539 | Special Equipment |
| K540 | Armament |
| K541 | Industrial Plant Equipment |
| K542 | Dining and Facility Equipment |
| K543 | Medical and Dental Equipment |
| K544 | Containers, Textile, Tents, and Tarpaulins |
| K545 | Metal Containers |
| K546 | Test, Measurement and Diagnostic Equipment (TMDE) |
| K547 | Other Test, Measurement and Diagnostic Equipment |
| K548 | Aeronautical Support Equipment |
| K549 | Support Equipment. |
| K550 | Software Support for Embedded and Mission Systems. |
| K555 | Tactical Automatic Data Processing Equipment (ADPE). |
| K570 | Armament and Ordnance. |
| K575 | Munitions. |
| K600 | Metal and Other Containers, Textiles, Tents and Tarpaulins. |
| K700 | Portable Troop Support Equipment. |
| K750 | Portable Field Medical and Dental Equipment. |
| K999 | Depot Repair and Maintenance of Other Equipment. |
| L000 | Administrative Support |
| L100 | Application Services |
| L101 | Application Reviews and Evaluations |
| L102 | Independent Grant Review Appeals |
| L200 | Grants Monitoring and Evaluation |
| M120 | Combatant Headquarters-CINC Command Authority. |
| M145 | Combatant Headquarters-Military Department Command Authority. |
| M150 | Support to the CINCS-Information. |
| M199 | Other Operational Command and Control Activities. |
| M301 | Management Headquarters-Intelligence. |
| M302 | Intelligence Policy and Coordination. |
| M306 | Classification Management. |
| M310 | Counterintelligence. |
| M312 | Imagery Intelligence (IMINT). |
| M314 | Imagery Acquisition. |
| M316 | Geospatial Information Production. |
| M318 | Geospatial Information Acquisition and Processing. |
| M320 | Open Source Intelligence (OSINT) Collection/Processing. |
| M322 | Language Exploitation. |
| M324 | Multidisciplinary Collection and Processing. |
| M326 | Intelligence Communications and Filtering. |
| M328 | All Source Analysis. |
| M330 | Intelligence Production Integration and Analytic Tools. |
| M334 | Intelligence Requirements Management and Tasking. |
| M399 | Other Intelligence Activities. |
| M410 | Expeditionary Force Operations. |
| M610 | Homeland Defense Operations. |
| M611 | Emergency Management Planning and Development |
| M612 | Emergency Management Program Oversight and Management |
| M810 | Military Space Operations. |
| P000 | Administrative Support |
| P100 | Installation Operation Contracts (Multi-function) |
| P110 | Management Headquarters-Logistics. |
| P119 | Other logistics Activities. |
| P120 | Management Headquarters-Maintenance. |
| Q120 | Management Headquarters-Civil Works. |
| Q220 | Water Regulatory Oversight and Management. |
| Q240 | Natural Resources Oversight and Management. |
| Q260 | Civil Works Planning Production and Management. |
| Q420 | Bank Stabilization. |
| Q440 | Maintenance of Open Waterways for Navigation. |
| Q460 | Maintenance of Jetties and Breakwaters. |
| Q520 | Operation and Maintenance of Locks and Bridges. |
| Q540 | Operation and Maintenance of Dams. |
| Q560 | Operation and Maintenance of Hydropower Facilities. |
| Q580 | Operation and Maintenance of the Washington Aqueduct. |
| Q620 | Operation and Maintenance of Recreation Areas. |
| Q999 | Other Civil Works Activities. |
| R000 | Administrative Support |
| R100 | Theoretical Research |
| R102 | Biomedical Research Support |
| R103 | Biomedical Research |
| R104 | Animal Research |
| R110 | Management Headquarters-Research and Development. |
| R120 | Science and Technology. |
| R140 | Management and Support to R&D. |
| R200 | Basic R&D |
| R201 | Laboratory and Clinical Research Support |
| R300 | Developmental |
| R400 | Testing |
| R500 | Acceptance |
| R600 | Applied Research |
| R601 | Applied Research Support |
| R660 | RDT&E |
| R900 | Operation and Maintenance of Physical Plant |
| R901 | Building & Grounds Maintenance |
| R902 | Models Design and Construction |
| R999 | Other S&T and R&D Management and Support Activities. |
| S000 | Administrative Support |
| S100 | Management Headquarters-Installations. |
| S200 | Installation, Base, or Facility Management. |
| S210 | Building Management. |
| S310 | Housing Management. |
| S410 | Custodial Services. |
| S420 | Collection and Disposal of Trash and Other Refuse. |
| S430 | Collection and Disposal of Hazardous Material (HAZMAT). |
| S435 | Pest Management. |
| S440 | Fire Prevention and Protection. |
| S450 | Laundry and Dry Cleaning Operations. |
| S499 | Other Building and Housing Management Services. |
| S500 | Management of Law Enforcement, Physical Security and Security Guard |
| S510 | Law Enforcement, Physical Security, and Security Guard Operations. |
| S520 | Support Services to Law Enforcement, Physical Security, and Security Guard |
| S540 | Security of Classified Material. |
| S560 | Special Guard Duties. |
| S700 | Natural Resource Services |
| S701 | Public Affairs/Relations |
| S702 | Financial and Payroll Services |
| S703 | Debt Collection |
| S706 | Bus Services |
| S713 | Food Services |
| S714 | Furniture Repair |
| S715 | Office Equipment Maintenance and Repair |
| S716 | Motor Vehicle Operation |
| S717 | Motor Vehicle Maintenance |
| S719 | Confinement Facility Operations. |
| S720 | Prison Operations and Maintenance |
| S721 | Prison Security Operations (Guards) |
| S723 | Other Prison Operations (Food, Administrative) |
| S724 | Other Law Enforcement, Physical Security and Security Guard Operations. |
| S725 | Electrical Plant and Distribution Systems Operation and Maintenance. |
| S726 | Heating Plant and Distribution Systems Operation and Maintenance. |
| S727 | Water Plant and Distribution Systems Operation and Maintenance. |
| S728 | Sewage and Waste Plant and Distribution Systems Operation and Maintenance. |
| S729 | Air-Conditioning and Cold Storage Plant and Distribution Systems Operation and |
| S730 | Incinerator Plant and Sanitary Fill Operations. |
| S731 | Supply Operations |
| S732 | Warehousing and Distribution |
| S733 | Building Services |
| S734 | Leasing Services |
| S735 | Engineering Services |
| S736 | Plumbing Craft Support Services |
| S737 | Electrical Craft Support Services |
| S739 | Locksmithing |
| S740 | Transportation Management Services |
| S741 | Supply, Warehousing and Distribution Services Management |
| S742 | Inventory Analysis and Management |
| S743 | Vehicle Acquisition Support Services |
| S744 | Fleet Management Services |
| S745 | Security and Protection Services |
| S750 | Museum Operations |
| S751 | Curator Services |
| S752 | Exhibits Management and Planning |
| S753 | Facility Security Management |
| S760 | Contractor-Operated Parts Stores & Civil Engineering Supply Stores |
| S799 | Other Utility Plant and Distribution Systems Operation and Maintenance. |
| S999 | Other Installation Services |
| T000 | Administrative Support |
| T101 | Management Headquarters-Supply. |
| T110 | Retail Supply Operations. |
| T120 | Wholesale/Depot Supply Operations. |
| T130 | Storage and Warehousing. |
| T140 | Supply Cataloging. |
| T150 | Warehousing and Distribution of Publications. |
| T160 | Bulk Liquid Storage. |
| T165 | Distribution of Petroleum Oil and Lubricant Products. |
| T167 | Distribution of Liquid, Gaseous and Chemical Products. |
| T175 | Troop Subsistence. |
| T177 | Food Supply. |
| T180 | Military Clothing. |
| T190 | Preparation, Demilitarization and Disposal of Excess and Surplus Inventory. |
| T199 | Other Supply Activities. |
| T600 | Real Property Management |
| T601 | Real Property Disposal |
| T602 | Property Development |
| T603 | Real Property Acquisition Support Services |
| T700 | Miscellaneous Program Management |
| T701 | Management Headquarters-Transportation. |
| T710 | Traffic/Transportation Management Services. |
| T800 | Ocean Terminal Operations |
| T801 | Storage and Warehousing |
| T802 | Cataloging |
| T803 | Acceptance Testing |
| T804 | Architect-Engineering |
| T805 | Operation of Bulk Liquid Storage |
| T806 | Printing and Reproduction |
| T807 | Visual Information |
| T810 | Air Transportation Services |
| T811 | Water Transportation Services |
| T812 | Rail Transportation Services |
| T813 | Engineering and Technical Services |
| T814 | Aircraft Fueling Services |
| T815 | Scrap Metal Operation |
| T817 | Other Communications and Electronics Systems |
| T818 | Systems Engineering and Installation of Communications Systems |
| T819 | Preparation and Disposal of Excess and Surplus Property |
| T820 | Administrative Support Services |
| T821 | Special Studies and Analysis |
| T822 | Operations Research |
| T823 | Actuarial Services |
| T824 | Motor Vehicle Transportation Services |
| T826 | Air Traffic Control |
| T830 | Interior/Facility Design |
| T831 | Drafting Services |
| T832 | Construction Management |
| T833 | Civil Engineering & Analysis Services |
| T834 | General Engineering & Analysis Services |
| T835 | Chemical Engineering & Analysis Services |
| T836 | Electrical Engineering & Analysis Services |
| T837 | Fire Protection Engineering & Inspection |
| T838 | Safety Engineering & Analysis Services |
| T839 | Mining Engineering & Analysis Services |
| T840 | Geodetic Engineering and Analysis Services |
| T841 | Geological Analysis |
| T850 | Forestry Management Support |
| T851 | Forestry Operations |
| T852 | Soil Conservation Evaluation & Analysis |
| T853 | Soil Conservation Operations |
| T854 | Royalty Management Operations |
| T855 | Industrial Engineering |
| T899 | Other Transportation Services |
| T900 | Training Aids, Devices, and Simulator Support |
| T999 | Other Non-Manufacturing Operations |
| U000 | Administrative Support |
| U001 | Management Headquarters-Military Education and Training. |
| U050 | Military Institutional Education and Training Management. |
| U100 | Recruit Training |
| U150 | Multiple Category Training |
| U200 | Officer-Acquisition (Pre-Commissioning) Training |
| U300 | Specialized Skill Training |
| U301 | Training Management |
| U302 | Training Administration |
| U303 | Training Technical Support |
| U304 | Vocational Training |
| U305 | Vocational Rehabilitation |
| U400 | Flight Training |
| U500 | Professional Development Training |
| U501 | Management Training |
| U502 | Medical & Health Training |
| U503 | Engineering & Architectural Training |
| U504 | Legal Training |
| U505 | Business/Financial/Budget Training |
| U506 | Inspection (IG) Training |
| U510 | Professional Military Education |
| U520 | Graduate Education, Fully Funded, Full-time |
| U530 | Other Full-time Education Programs |
| U540 | Off-Duty and Voluntary Education Programs. |
| U550 | Training Development and Support for Military Education and Training. |
| U599 | Other Military Education and Training Activities. |
| U600 | Civilian Education and Training |
| U605 | Management Headquarters-Civilian Education and Training. |
| U610 | Law Enforcement Training |
| U611 | Law Enforcement Training Policy |
| U612 | Law Enforcement Training Development and Support |
| U620 | Management of Civilian Institutional Training, Education, and Development. |
| U630 | Acquisition Training, Education, and Development. |
| U640 | Civil Works Training, Education, and Development. |
| U650 | Intelligence Training, Education, and Development. |
| U660 | Medical Training, Education, and Development. |
| U699 | Other Civilian Training, Education and Development. |
| U700 | Dependent Education |
| U710 | Management Headquarters-Dependent Education. |
| U720 | Dependent Education Field Management. |
| U760 | Dependent Education-Teacher Instruction. |
| U770 | Dependent Education-Substitute Instruction. |
| U780 | Dependent Education-Aides for Instruction. |
| U799 | Other Dependent Education Activities. |
| U800 | Training Development and Support |
| U999 | Other Training Functions |
| W000 | Administrative Support |
| W100 | Management Headquarters-Communications, Computing and Information. |
| W210 | Telephone Systems. |
| W220 | Telecommunication Centers. |
| W299 | Other Communications Systems. |
| W310 | Computing Services and Data Base Management. |
| W399 | Other Computing Services. |
| W410 | Information Operations and Information Assurance/Security. |
| W430 | Mapping and Charting. |
| W440 | Meteorological and Geophysical Services. |
| W499 | Other Information Operation Services. |
| W500 | Data Maintenance |
| W501 | Report Processing/Production |
| W600 | Data Center Operations |
| W601 | Information Technology Management |
| W824 | Data Processing Services |
| W825 | Maintenance of ADP Equipment |
| W826 | Systems Design, Development and Programming Services |
| W827 | Software Services |
| W828 | Seat Management Services |
| W829 | Client Services |
| W999 | Other ADP Functions |
| X000 | Administrative Support |
| X931 | Ordnance. |
| X932 | Products Made From Fabric or Similar Materials |
| X933 | Container Products and Related Items |
| X934 | Preparation of Food and Bakery Products |
| X935 | Liquid, Gaseous and Chemical Products |
| X936 | Rope, Cordage, and Twine Products; Chains and Metal Cable Products |
| X937 | Logging and Lumber Products |
| X938 | Communications and Electronic Products |
| X939 | Construction Products |
| X940 | Rubber and Plastic Products |
| X941 | Optical and Related Products |
| X942 | Sheet Metal Products |
| X943 | Foundry Products |
| X944 | Machined Parts |
| X999 | Other Products Manufactured and Fabricated. |
| Y000 | Administrative Support |
| Y105 | Management Headquarters-Defense Direction and Policy Integration. |
| Y115 | Management Headquarters-Joint Staff Direction of the Armed Forces. |
| Y130 | Intelligence |
| Y150 | Classified Activities |
| Y160 | Corporate Planning |
| Y199 | Other Force Management and General Support Activities. |
| Y210 | Management Headquarters-Operation Planning and Control.. |
| Y215 | Operation Planning and Control. |
| Y217 | Combat Development Evaluations and Experimentation. |
| Y220 | National Mobilization and Emergency Preparedness Management. |
| Y240 | Management Headquarters-Manpower Management. |
| Y245 | Manpower Management Operations. |
| Y310 | Management Headquarters-Foreign Military Sales and Security Assistance. |
| Y315 | Foreign Military Sales and Security Assistance Program Management. |
| Y320 | Support External to DoD-Not Identified. |
| Y400 | Legal Services |
| Y401 | General Attorney's Services |
| Y403 | Paralegal |
| Y405 | Management Headquarters-Legal Services. |
| Y410 | Criminal Investigation |
| Y415 | Legal Services and Support.. |
| Y440 | Federal Licensing and Permitting |
| Y450 | Maritime Activities |
| Y451 | Search and Rescue |
| Y452 | Aids to Navigation |
| Y453 | Marine Safety/Inspection |
| Y501 | Management Headquarters-Public Affairs. |
| Y510 | Budget and Financial Program Management |
| Y511 | Budget Execution Support Services |
| Y515 | Public Affairs Program Activities and Operations. |
| Y520 | Public Works and Real Property Maintenance Program Management |
| Y525 | Protocol Operations. |
| Y527 | Other Protocol Activities. |
| Y530 | Personnel, Community Activities and Manpower Program Management |
| Y540 | Maintenance and Logistics Program Management |
| Y550 | Information and Telecommunications Program Management |
| Y560 | Management Headquarters-Visual Information. |
| Y570 | Visual Information Program Activities and Operations. |
| Y610 | Management Headquarters-Legislative Affairs. |
| Y620 | Legislative Affairs. |
| Y650 | Acquisition (Equipment and Weapons Systems) |
| Y651 | Identifying and Developing Consumer/Customer Information Services |
| Y710 | Management Headquarters-Historical Affairs |
| Y720 | Historical or Heraldry Services. |
| Y730 | Museum Operations. |
| Y810 | Management Headquarters-Administrative Support. |
| Y815 | Administrative Support Program Management. |
| Y820 | Administrative Management and Correspondence Services. |
| Y830 | Documentation Services. |
| Y840 | Directives and Records Management Services. |
| Y850 | Microfilming and Library Services. |
| Y860 | Printing and Reproduction Services. |
| Y880 | Document Automation and Production Services. |
| Y899 | Other Administrative Support Activities. |
| Y999 | Other Functions |
| Z000 | Administrative Support |
| Z101 | Corps of Engineers Program and Project Management. |
| Z110 | Management of Major Construction of Real Property. |
| Z120 | Real Estate/Real Property Acquisition. |
| Z135 | Title, Outgranting, and Disposal of Real Estate/Real Property-National Projects. |
| Z138 | Title, Outgranting and Disposal of Real Estate/Real Property-Local Projects. |
| Z145 | Architect-Engineering-National Projects. |
| Z148 | Architect-Engineering-Local Projects. |
| Z199 | Other Real Property Program and Project Management Activities. |
| Z991 | Minor Construction, Maintenance and Repair of Family Housing and Structures. |
| Z992 | Minor Construction, Maintenance and Repair of Buildings and Structures Other than Family Housing. |
| Z993 | Maintenance and Repair of Grounds and Surfaced Areas |
| Z997 | Maintenance and Repair of Railroad Facilities |
| Z998 | Maintenance and Repair of Waterways and Waterfront Facilities. |
| Z999 | Maintenance, Repair and Minor Construction of Other Real Property. |