INTANDEM.
Federal, State & SLED Contract Intelligence

PSC R499: Support - Professional: Other — Active Federal Contracts & NAICS Crosswalk (1,280+ Bids Open)

Search 1,280+ Bids open SAM.gov solicitations for Federal PSC R499 (Support - Professional: Other). Annual federal spend: $24.6 Billion. Crosswalked to NAICS...

PSC R499: Support - Professional: Other — Active Federal SAM.gov Contracts & NAICS Crosswalk

Federal procurement intelligence, spending breakdown, NAICS/NIGP crosswalk, and contract capture guide for PSC R499 (Support - Professional: Other).

Product and Service Code (PSC) R499 — Support - Professional: Other — is an official federal procurement classification within Portfolio R — Professional, Administrative & Management Support managed by the General Services Administration (GSA) under the Federal Procurement Data System (FPDS) Product and Service Codes Manual. Across federal agencies, contracting officers obligate approximately $24.6 Billion annually under PSC R499, with 1,280+ Bids active solicitations, pre-solicitation notices, and task order RFQs circulating on SAM.gov and agency e-Buy portals. While a 6-digit NAICS code defines a contractor's overall industry and Small Business Administration (SBA) size standard, PSC R499 specifies the exact service (professional) deliverable being purchased on the contract line item (CLIN). In federal solicitation architecture, PSC R499 is most frequently paired with Primary NAICS 541990 (All Other Professional, Scientific, and Technical Services), which carries an SBA small business size standard of $19.5 Million. Major buying commands—led by Department of Defense (39% of spend), Department of Health and Human Services (19%), and Department of Homeland Security (13%)—use PSC R499 to categorize statements of work encompassing Specialized Subject Matter Expert (SME) Advisory, Policy Analysis & Technical Studies; Scientific, Analytical, Regulatory Compliance & Operational Support Services; and Multi-Disciplinary Task Orders Under OASIS+ & GSA MAS Professional Services. Understanding how contracting officers cross-walk PSC R499 with NAICS 541990 is critical because many agencies filter dynamic small business searches, GSA e-Buy distributions, and historical FPDS incumbent spend analyses by PSC rather than NAICS alone. Procurement teams issuing awards under PSC R499 utilize a mix of open-market SAM.gov solicitations and pre-competed contract vehicles such as GSA MAS 541611. Depending on the acquisition threshold and market research results from Sources Sought notices, contracting officers frequently restrict PSC R499 competitions to certified small businesses—including 8(a) Business Development participants, Service-Disabled Veteran-Owned Small Businesses (SDVOSB), Women-Owned Small Businesses (WOSB), and HUBZone firms. Offerors responding to PSC R499 RFPs must demonstrate strict compliance with applicable FAR and DFARS clauses, deliverable quality standards, and supply-chain or labor regulations. For contractors expanding across both federal and state/local (SLED) markets, PSC R499 maps directly to NIGP Commodity/Service Code 918-00 (Consulting Services (General Management, Policy, and Technical)) used by state procurement portals, municipal purchasing departments, public universities, and K-12 school districts. InTandem's automated government contracting platform continuously monitors live SAM.gov notices tagged with PSC R499 alongside matching state and local NIGP 918-00 bids, enabling capture teams to uncover hidden opportunities and generate compliant proposals faster.

What Federal Agencies Buy Under PSC R499

  • Specialized Subject Matter Expert (SME) Advisory, Policy Analysis & Technical Studies
  • Scientific, Analytical, Regulatory Compliance & Operational Support Services
  • Multi-Disciplinary Task Orders Under OASIS+ & GSA MAS Professional Services
  • Grant Management, Economic Impact Modeling & Interagency Program Coordination
  • Monthly Contract Status Reporting (CSR), Earned Value Management (EVM) & Financial Tracking
  • Standard Operating Procedure (SOP) Authoring, Knowledge Transfer & Workforce Training
  • Quality Assurance Surveillance Plan (QASP) Compliance & Deliverable Peer Reviews
  • Cleared Personnel Security Management (SECRET / TOP SECRET / SCI) & Facility Clearances

Top Federal Buying Agencies for PSC R499

  • Department of Defense: $9.6 Billion (39% of PSC Spend of obligations)
  • Department of Health and Human Services: $4.7 Billion (19% of PSC Spend of obligations)
  • Department of Homeland Security: $3.2 Billion (13% of PSC Spend of obligations)
  • General Services Administration & Civilian Agencies: $185 Million (11% of PSC Spend of obligations)

Common Federal Contract Vehicles & GWACs

  • GSA MAS 541611 (GSA Multiple Award Schedule / Best-in-Class Vehicle): Primary pre-competed federal contract vehicle used by contracting officers to issue RFQs and task orders under PSC R499.
  • SAM.gov Open Market Solicitations (PSC R499) (FAR Part 12 / 13 / 15 Open Market): Standalone Invitations for Bid (IFBs), Requests for Proposals (RFPs), and Simplified Acquisitions published directly under PSC R499.
  • Agency-Specific IDIQs, MATOCs & GWACs (Indefinite Delivery / Indefinite Quantity): Multi-year agency task order vehicles at Department of Defense and Department of Health and Human Services where PSC R499 is the designated product/service identifier.

PSC R499 Frequently Asked Questions

What does Federal PSC Code R499 cover?

PSC R499 (Support - Professional: Other) is an official Federal Procurement Data System (FPDS) Product and Service Code under Portfolio R — Professional, Administrative & Management Support. Federal agencies use PSC R499 to classify procurements for Specialized Subject Matter Expert (SME) Advisory, Policy Analysis & Technical Studies, Scientific, Analytical, Regulatory Compliance & Operational Support Services, and Multi-Disciplinary Task Orders Under OASIS+ & GSA MAS Professional Services.

What is the difference between PSC R499 and NAICS 541990?

NAICS 541990 (All Other Professional, Scientific, and Technical Services) classifies the contractor's primary industry and establishes the SBA small business size standard ($19.5 Million). PSC R499 (Support - Professional: Other) identifies the specific service (professional) being purchased on the solicitation or contract line item (CLIN).

How much does the federal government spend on PSC R499 annually?

Federal agencies obligate approximately $24.6 Billion per year under PSC R499, led by Department of Defense ($9.6 Billion), Department of Health and Human Services ($4.7 Billion), and Department of Homeland Security ($3.2 Billion), with roughly 1,280+ Bids active opportunities annually.

Which GSA Schedule or contract vehicle covers PSC R499?

Procurements under PSC R499 are frequently routed through GSA MAS 541611, alongside agency-specific IDIQ contracts and open-market solicitations published directly on SAM.gov.

What is the State & Local (SLED) NIGP code equivalent for PSC R499?

When bidding on state, county, municipal, or school district solicitations, the primary NIGP cross-reference for federal PSC R499 is NIGP 918-00 (Consulting Services (General Management, Policy, and Technical)).

Related Federal PSC Codes

Browse All 165 Federal PSC Codes | NAICS 541990 Guide | NIGP 918-00 Guide | SBA Set-Asides