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 621111

Top contractors in NAICS 621111

The 269 contractors with tracked federal awards in NAICS 621111, totalling $22,553,680,578. Ranked by award value.

See live NAICS 621111 opportunities →All contractors

1QTC MEDICAL SERVICES INC$6,773,594,12250 awards
2OPTUMSERVE HEALTH SERVICES, INC.$5,880,560,26644 awards
3VETERANS EVALUATION SERVICES, INC$5,667,229,47546 awards
4LOYAL SOURCE GOVERNMENT SERVICES LLC$2,877,524,45318 awards
5SPECTRUM HEALTHCARE RESOURCES INCORPORATED$217,355,7741 awards
6ADVANCEMED CORPORATION$130,567,1001 awards
7CHENEGA TRI-SERVICES, LLC$57,454,0043 awards
8WJM PROFESSIONAL SERVICES LLC$54,763,3085 awards
9TRIBAL HEALTH, LLC$43,738,7477 awards
10PRAIRIE BAND HEALTH SERVICES INC$43,389,64913 awards
11LUKE & ASSOCIATES, INC.$41,667,3244 awards
12DECYPHER HEALTH SERVICES, LLC$31,608,3662 awards
13NATIVE HEALTH$31,338,1062 awards
14MEDICUS HEALTHCARE SOLUTIONS, LLC$24,560,1205 awards
15ACUITY-CHS, LLC$24,047,1065 awards
16VETMED GROUP LLC$19,632,92517 awards
17PRIME PHYSICIANS PLLC$18,933,0385 awards
18ACUITY INTERNATIONAL, LLC$17,887,9016 awards
19MEDICAL FACULTY ASSOCIATES, INC.$16,870,3394 awards
20TOTAL EMERGENCY AMBULATORY MEDICINE LLP$16,689,3351 awards
21OKLAHOMA STATE UNIVERSITY$16,675,9952 awards
22JADE WOLF OPERATIONS, LLC$16,328,7943 awards
23AIMS-USGP JV LLC$15,904,9214 awards
24MINNEAPOLIS RADIOLOGY ASSOCIATES, LTD.$15,793,1314 awards
25FEDHEALTH SYSTEMS ALLIANCE, LLC$15,462,2311 awards
26SPECTRUM HEALTHCARE RESOURCES, INC$14,345,6173 awards
27BAY AREA ANESTHESIA LLC$14,308,1556 awards
28NATIONWIDE HEALTHCARE SOLUTIONS, LLC$13,132,2721 awards
29MATRIX PROVIDERS INC.$12,982,6725 awards
30ACMESOLV, LLC$12,451,6803 awards
31NATIVEARC, LLC$12,399,3988 awards
32SEQUOYAH STAFFING AGENCY, LLC$11,917,4996 awards
33EGA ASSOCIATES, LLC$11,267,7716 awards
34VALOR NETWORK, INC.$10,219,4541 awards
35ALL VALLEY IMAGING, L.L.C$8,840,4545 awards
36CHG COMPANIES, INC.$8,638,4466 awards
37ASSURGENT MEDICAL STAFFING LLC$8,442,8135 awards
38FOUR WINDS STAFFING LLC$8,325,6524 awards
39WANDER STAFFING LLC$8,087,8423 awards
40TRYFACTA INC$7,990,7712 awards
41DAX SAFETY & STAFFING SOLUTIONS, LLC$7,834,0364 awards
42CALL SOLUTIONS, LLC$7,643,4604 awards
43ASPIRE-LUKE JV LLC$7,548,0012 awards
44PRIME PHYSICIANS TRI PROVIDERS LLC$7,265,0565 awards
45RIDGECREST REGIONAL HOSPITAL$6,761,3041 awards
46MAGNOLIA GOVERNMENT SOLUTIONS LLC$6,683,8152 awards
47METROPOLITAN MEDICAL LLC$6,391,1461 awards
48CIRCULATORY SERVICES INC$6,348,9052 awards
49JR ENTERPRISE, L.L.C$6,284,9682 awards
50O'NEILL, CLARK, NARVARTE & VICKS A PROFESSIONAL CORPORATION$6,076,8372 awards
51SAMYAK SOLUTIONS, INC.$5,966,5141 awards
52UNIVERSITY OF MARYLAND DIAGNOSTIC IMAGING SPECIALISTS, P. A.$5,755,3552 awards
53NEW YORK UNIVERSITY$5,621,1111 awards
54PDQ HEALTH SERVICES, LLC$5,407,2121 awards
55CARDIOPULMONARY SUPPORT SERVICES, LLC$5,384,9521 awards
56EAGLE HEALTH ANALYTICS, LLC$5,187,7301 awards
57AKICITA CYBER LLC$5,169,7564 awards
58CHENEGA RELIABLE SERVICES LLC$5,157,0732 awards
59SHELIN, AGRAWAL, AND HYER, PLLC$5,054,1311 awards
60STERLING MEDICAL ASSOCIATES, INC$5,012,0903 awards