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Large Prime Contractors

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Eligibility — are you large primes?

Sourced from the official program page

  • No size restriction — large businesses compete on full-and-open contracts and via large-business set-asides
  • Active SAM.gov registration with UEI and CAGE code
  • Subject to small business subcontracting plan requirements (FAR 19.7) on contracts >$750K
  • Eligible for all GWACs and IDIQs without small business restriction
  • Most LPCs hold multiple GSA Schedules and IDIQ vehicles
  • Top 100 LPCs account for ~50% of federal prime contract dollars

Contracting advantages for large primes

Why large primes have a structural edge on federal opportunities.

  • Full-and-open opportunities (~30-40% of federal contract dollars)
  • Large-dollar IDIQs and GWACs with high task-order velocity
  • Set-aside-exclusion strategies: bid via small business subsidiary partners
  • Mentor-Protégé Program (MPP) for joint ventures with small businesses
  • Strong incumbency advantage on long-cycle programs (defence, healthcare, IT modernisation)
  • Direct relationships with senior contracting officers via OSDBU and industry days

Where large primes typically compete

Typical contract value: $5M – $1B+ per award

Top NAICS codes

  • 541330 Engineering Services
  • 541512 Computer Systems Design Services
  • 541611 Administrative Management Consulting
  • 336411 Aircraft Manufacturing
  • 236220 Commercial Building Construction
  • 541715 R&D in Engineering & Life Sciences

Top contracting agencies

  • Department of Defense (DOD)
  • Department of Homeland Security (DHS)
  • Department of Veterans Affairs (VA)
  • GSA Federal Acquisition Service
  • Department of Energy (DOE)
  • NASA

Challenges large primes face

The friction points we hear most from large primes doing federal work.

  • Capture portfolio is enormous (50-500+ active pursuits) — visibility loss is a real risk
  • Proposal team productivity is the bottleneck — every hour of writer time costs $400+
  • IDIQ task orders close in 7-21 days — fast response needed at scale
  • Small business subcontracting compliance reporting is admin-heavy and audit-prone

How WinAContract helps large primes

What we built specifically for the large prime workflow.

  • Portfolio-scale pipeline view across every active opportunity and task order
  • AI drafts task order responses in hours instead of days — scales proposal output without hiring writers
  • Automated subcontracting plan tracking and compliance reporting
  • Past-performance library AI-surfaces relevant references across thousands of historic wins

Not registered on SAM.gov yet?

We handle done-for-you SAM.gov registration and set-aside certifications so you can start bidding sooner.

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Frequently asked

Why would a large prime use a search tool when we have BD teams?

Coverage. BD teams know your strategic agencies; an AI search catches every adjacent opportunity (lateral agencies, related NAICS, follow-on RFPs) that your BD team would never have time to monitor manually — widening your qualified pipeline without adding headcount.

How does WinAContract help with IDIQ task orders?

Task order alerts are tagged by IDIQ vehicle (CIO-SP3, OASIS+, Alliant 2, etc.) so your delivery teams see only orders against vehicles they're on. AI drafts the technical sections from your past task-order wins on the same vehicle.

Can we integrate with our existing CRM (Salesforce / Deltek)?

Salesforce, Deltek Vantagepoint, and Unison Marketplace integrations are available on the higher tiers. Managed Enterprise plans include integration setup.

Do you cover classified opportunities?

No — WinAContract aggregates publicly published SAM.gov, GSA eBuy, and agency forecast data. Classified opportunities (SCIF-required, controlled access) are not in scope.

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See also

For 8(a) firms For SDVOSBs For WOSBs For HUBZone firms For VOSBs For small businesses

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