| A/E | Architect/Engineer |
| ANC | Alaska Native Corporation |
| ANCSA | Alaska Native Claims Settlement Act |
| API | Application Programming Interface |
| BAFO | Best and Final Offer |
| BAT | Business Activity Target |
| BIC | Best In Class |
| BOS | Business Opportunity Specialist |
| BPA | Blanket Purchase Agreement |
| BPN | Business Partner Network |
| CAGE code | Commercial and Government Entity Code |
| CFR | Code of Federal Regulations |
| CKB | Certify Knowledge Base |
| CMR | Commercial Market Representative |
| COBEC | Code of Business Ethics and Conduct |
| COE | Corps of Engineers |
| COR | Contracting Officer Representative |
| COTR | Contracting Officers Technical Representative |
| CPARS | Contractor Performance Assessment Reporting System |
| CUF | Commercially Useful Function |
| D&B | Dun & Bradstreet |
| DBE | Disadvantaged Business Enterprise |
| DCAA | Defense Contract Audit Agency |
| DCSA | Defense Counterintelligence and Security Agency |
| DFAR | Defense Federal Acquisition Regulations |
| DFARS | Defense Federal Acquisition Regulations Supplement |
| DHS | Department of Homeland Security |
| DLA | Defense Logistics Agency |
| DO | Delivery Order |
| DOD | Department of Defense |
| DOT | Department of Transportation |
| DPCE | Division of Program Certification & Eligibility |
| DSBS | Dynamic Small Business Search |
| DUNS | Data Universal Numbering System |
| DVBE | Disabled Veteran Business Enterprise |
| EDI | Electronic Data Interchange |
| EDWOSB | Economically Disadvantaged Women-Owned Small Business |
| EFT | Electronic Funds Transfer |
| EIN | Employer Identification Number |
| EPA | Environmental Protection Agency |
| EPLS | Excluded Parties List System |
| ESRS | Electronic Subcontractor Reporting System |
| EVS | Entity Validation Services |
| FAPIIS | Federal Awardee Performance and Integrity Information System |
| FAR | Federal Acquisition Regulations |
| FBO | Federal Business Opportunities |
| FedBizOpps | Federal Business Opportunities |
| FFATA | Federal Funding Accountability and Transparency Act |
| FFP | Firm Fixed Price |
| FOIA | Freedom of Information Act |
| FPDS | Federal Procurement Data System |
| FSC | Federal Supply Code |
| FSD | Federal Service Desk |
| FSN | Federal Stock Number |
| FSO | Facility Security Officer |
| FSRS | FFATA Subaward Reporting System |
| FY | Fiscal Year |
| GAO | Government Accountability Office |
| GLS | General Login System |
| GPO | Government Printing Office |
| GSA | General Services Administration |
| HUBZone | Historically Underutilized Business Zone |
| IAE | Integrated Award Environment |
| IDIQ / ID/IQ | Indefinite Delivery Indefinite Quantity |
| IG | Inspector General |
| IIP | Indian Incentive Program |
| iRAPT | Invoicing, Receipt, Acceptance, and Property Transfer (fka Wide Area Workflow or WAWF now PIEE) |
| JV | Joint Venture |
| LLC | Limited Liability Company |
| LOS | Limitations on Subcontracting |
| LPTA | Lowest Price Technically Acceptable |
| LSA | Labor Surplus Area |
| MATOC | Multiple Award Task Order Contracts |
| MBE | Minority Business Enterprise |
| MOU | Memorandum of Understanding |
| MP | Mentor-Protégé |
| MPA | Mentor-Protégé Agreement |
| MPIN | Marketing Partner Identification Number |
| NAICS code | North American Industry Classification System Code |
| NCAGE | North Atlantic Treaty Organization Commercial and Government Entity |
| NMR | Non-Manufacturer Rule |
| NTE | Not to exceed |
| NTP | Notice to proceed |
| OCE | Office of Certification & Eligibility |
| OIG | Office of Inspector General |
| OMB | Office of Management And Budget |
| OSBP | Office of Small Business Programs |
| OSDBU | Office of Small And Disadvantaged Business Utilization |
| OTA | Other Transaction Authority |
| PCR | Procurement Center Representative |
| PIEE | Procurement Integrated Enterprise Environment (fka Invoice Receipt Property Transfer iRAPT) |
| PII | Personally Identifiable Information |
| PO | Purchase Order |
| POC | Point of Contact |
| POCA | Performance Oriented Construction Activity |
| PPIRS | Past Performance Information Retrieval System |
| PSC | Product Service Code |
| PTAC | Procurement Technology Assistance Center |
| QA/QC | Quality Assurance/Quality Control |
| RAP | Remedial Action Plan |
| RFP | Request for Proposal |
| RFQ | Request for Quotation |
| RMA | Risk Management Association |
| SADBU | Small And Disadvantaged Business Unit |
| SAM | System for Award Management |
| SAMMI | SAM Managed Identifier |
| SAP | Simplified Acquisition Procedures |
| SAT | Simplified Acquisition Threshold |
| SB | Small Business |
| SBA | Small Business Administration |
| SBDC | Small Business Development Center |
| SBIR | Small Business Innovation Research Program |
| SBSA | Small Business Set-Aside |
| SBSPSA | Small Business Small Purchase Set Aside |
| SDB | Small Disadvantaged Business |
| SDO | Suspension and Debarment Official |
| SDV | Service-Disabled Veteran |
| SDVOSB | Service Disabled Veteran-Owned Small Business |
| SF | Standard Form |
| SOQ | Statement of Qualifications |
| SOW | Statement of Work |
| SPIRS | Supplier Performance Risk System |
| SRM | Sustainment, Restoration and Modernization |
| SSE | Similarly situated entity |
| STTR | Small Business Technology Transfer |
| SUM | Spend Under Management |
| TIN | Taxpayer Identification Number |
| UEI | Unique Entity Identifier |
| USA | United States Army |
| USACE | United States Corps of Engineers |
| USAF | United States Air Force |
| USCG | United States Coast Guard |
| USN | United States Navy |
| VBE | Veteran-Owned Business Enterprise |
| VOSB | Veteran-owned small business |
| VSB | Very Small Business |
| WAWF | Wide Area Workflow (now known as iRAPT) |
| WBE | Womens business enterprise |
| WOSB | Woman-owned small business |
