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 237990

Top contractors in NAICS 237990

The 107 contractors with tracked federal awards in NAICS 237990, totalling $2,055,810,837. Ranked by award value.

See live NAICS 237990 opportunities →All contractors

1NW CONSTRUCTION, INC$325,563,9623 awards
2KIEWIT INFRASTRUCTURE WEST CO.$321,052,9232 awards
3SKANSKA USA CIVIL NORTHEAST INC$149,686,8431 awards
4AMES FEDERAL CONTRACTING GROUP LLC$115,012,0881 awards
5SEABEE CONSTRUCTION, INC.$78,946,3581 awards
6KOMAN CONSTRUCTION, LLC$74,214,5553 awards
7MANSON CONSTRUCTION CO$66,520,3651 awards
8GC & V CONSTRUCTION LLC$59,890,0001 awards
9GARCO CONSTRUCTION, INC.$55,821,9871 awards
10COASTAL CONSTRUCTION GROUP, LLC$44,868,4001 awards
11AMES CONSTRUCTION, INC.$43,526,7681 awards
12SGC SERVICES 2, LLC$42,010,8501 awards
13WEEKS MARINE INC$37,402,6061 awards
14C & C CONTRACTORS LLC$32,431,7182 awards
15GE RENEWABLES US LLC$30,531,3261 awards
16TACTICAL INFRASTRUCTURE MAINTENANCE SOLUTIONS LLC$29,971,4331 awards
17VINA E&C INVESTMENT AND CONSTRUCTION JSC$28,995,5551 awards
18G&C FAB-CON, LLC$28,968,6041 awards
19VETERAN DESIGN & CONSTRUCTION INC$28,956,1541 awards
20FEDVET CONSTRUCTION$24,588,5573 awards
21INTERSTATE ROCK PRODUCTS, INC.$22,267,0181 awards
22ALLIANCE STEEL CONSTRUCTION, INC.$21,182,6611 awards
23MCMILLEN, INC.$20,951,5051 awards
24KMC SOLUTIONS, LLC$20,406,7151 awards
25IRON MIKE CONSTRUCTION LLC$19,671,4091 awards
26PIPKIN INC.$18,666,6571 awards
27ANDRITZ HYDRO CORP$16,549,1351 awards
28WCA CONSTRUCTION, LLC$16,261,6051 awards
29OCS INDUSTRIES INC$15,066,8001 awards
30KOKOSING CONSTRUCTION COMPANY, INC.$15,063,6091 awards
31STONE & LIME IMPORTS, INC$14,771,7241 awards
32DICKERSON INFRASTRUCTURE INC$14,342,5121 awards
33ABRAMS GROUP CONSTRUCTION LLC$13,934,0371 awards
34QAYAQ GOVERNMENT SOLUTIONS LLC$13,343,0051 awards
35T1 CONSTRUCTION LLC$10,486,5341 awards
36COMMERCE CONSTRUCTION CORPORATION$10,405,0001 awards
37AHTNA BUILDERS, LLC$10,057,6671 awards
38MARINE DIVING SOLUTIONS, LLC.$9,781,1941 awards
39DOFINE SPRINKLER REBUILDERS INC$9,254,4321 awards
40WEMCO-GARCO MP JV1$8,457,4381 awards
41YELLOWSTONE ELECTRIC CO$7,405,0441 awards
42KC CONSTRUCTION CO$7,236,3051 awards
43FIRELAKE CONSTRUCTION INC$7,015,4111 awards
44WONDRA CONSTRUCTION INC$6,573,8211 awards
45NEHEMIAH CONSTRUCTION LLC$6,542,7201 awards
46AMERICAN HYDRO LLC$6,066,8091 awards
47ALPINE CONSTRUCTION MANAGEMENT LLC$5,748,5861 awards
48REHBEIN ENTERPRISES INC$5,492,6761 awards
49K2 CONSTRUCTION CONSULTANTS, INC$5,334,5101 awards
50TLI CONSTRUCTION, INC.$5,034,6961 awards
51CBS NICKLAUS JV, LLC$4,641,3421 awards
52WORRELL CONTRACTING CO INC$4,095,8012 awards
53TEKSOL INTEGRATION GROUP INC$3,683,3261 awards
54K & N ELECTRIC MOTORS INC$3,629,6191 awards
55AJCE CORPORATION$3,441,2411 awards
56TERRA SITE CONSTRUCTORS LLC$3,363,4711 awards
57THE POVOLNY GROUP INC$3,115,1741 awards
58TERRY CONTRACTING & MATERIALS, INC.$2,915,3341 awards
59ACK MARINE & GENERAL CONTRACTING LLC$2,392,3081 awards
60AGM MARINE CONTRACTORS INC$2,330,5061 awards