Loading…

Search every US federal contract opportunity on SAM.gov, and draft winning RFP responses with AI.

Solutions

Contract search AI proposal writing Bid / no-bid scoring Buyer & market intelligence Forecast & recompetes Awards & competitors Teaming & partner network State & local contracts Pipeline & CRM

Find Contracts

All contracts Closing soon Recently posted Highest value Buyer Intelligence What’s coming up Who’s winning (awards)8(a) set-asides WOSB set-asides SDVOSB set-asides HUBZone set-asides

Agency opportunities

DoD contracts VA contracts HHS contracts DHS contracts DOE contracts GSA contracts DOT contracts NASA contracts

Tools & Pricing

AI Opportunity Scan Contract Pricing Benchmark Competitor & Incumbent Lookup Company Award Profile GovCon Market Explorer Supplier & Teaming Finder AI Pursuit Analyzer NAICS Code Lookup Set-Aside Eligibility Small Business Size Standard Acquisition Threshold Guide Bid / No-Bid Scorecard Bid ROI Calculator CMMC 2.0 / SPRS Estimator HUBZone Eligibility Checker Plans & pricing

Learn

Market Reports Blog Answers (Q&A)Resources Glossary A–Z Guides Compare tools 2026 data report

Company

About Contact sales Security & trust Careers WinAContract UK BidWriter UK GovCon — AI proposals eSourcing Data Privacy Terms Refunds

Services & network

Bid & capture consulting Registration & certifications GovCon training Supplier network Teaming & partnering Data & API Reports store

WinAContract is US-based and US-hosted — AI federal contract search and proposal writing software for US government contractors. Operated by eSourcing Data Ltd.

© 2026 eSourcing Data Ltd · info@winacontract.com

NAICS 621493

Top contractors in NAICS 621493

The 8 contractors with tracked federal awards in NAICS 621493, totalling $79,225,454. Ranked by award value.

See live NAICS 621493 opportunities →All contractors

1DO KNOW HARM LLC$43,241,0341 awards
2WHITE STONE SPECTRUM HEALTHCARE RESOURCES LLC$18,112,8641 awards
3CHENEGA GOVERNMENT MISSION SOLUTIONS, LLC$5,585,3261 awards
4OKLAHOMA STATE UNIVERSITY$5,530,0781 awards
5TRIBAL HEALTH, LLC$3,063,9631 awards
6LOWCOUNTRY SURGERY CENTER, LLC$1,919,4281 awards
7BANNER PHOENIX SURGERY CENTER, LLC$1,482,8481 awards
8WOLF LAKE SERVICES, LLC$289,9132 awards