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 238990

Top contractors in NAICS 238990

The 251 contractors with tracked federal awards in NAICS 238990, totalling $4,451,775,542. Ranked by award value.

See live NAICS 238990 opportunities →All contractors

1MISCELLANEOUS FOREIGN AWARDEES$1,571,783,87326 awards
2BUNDESAMT FÜR BAUWESEN UND RAUMORDNUNG$1,499,270,56556 awards
3SLSCO, LTD.$601,796,8331 awards
4AMERICAN ENGINEERING CORPORATION$124,921,91438 awards
5ENVIRONMENTAL CHEMICAL CORPORATION$42,058,4526 awards
6ECCO GMBH$27,962,0922 awards
7KYUNAN CO., LTD.$26,961,7458 awards
8TACTICAL INFRASTRUCTURE MAINTENANCE SOLUTIONS LLC$24,390,9522 awards
9COLT BUILDERS AND WEIL CONSTRUCTION JOINT VENTURE L.L.C.$23,631,7581 awards
10FUJI CONSTRUCTION CO.,LTD.$17,803,9555 awards
11COHO CONSTRUCTION MANAGEMENT LLC$16,440,7191 awards
12BUNDESMINISTERIUM FÜR UMWELT, NATURSCHUTZ UND REAKTORSICHERHEIT$15,452,0125 awards
13STG PACIFIC, LLC$15,129,9023 awards
14PEARLSON SHIPLIFT CORPORATION$14,599,7801 awards
15SEDONA-NASCO JV2, LLC$11,656,11418 awards
16DWR CONSTRUCTION INC$9,974,2471 awards
17J & J MECHANICAL AND CONSTRUCTION GROUP LLC$9,500,0001 awards
18MAEDA-ONAKA JOINT VENTURE$9,286,6834 awards
19WSP E&IS GMBH$9,268,9883 awards
20ACTS GROUP, INC.$8,126,0103 awards
21ONAKA GUMI CO.,LTD.$7,705,9101 awards
22NORTH WIND SITE SERVICES, LLC$7,644,7452 awards
23SUMIJU YOKOSUKA KOGYO CO., LTD.$7,598,9863 awards
24LAUBACKER ENTERPRISES, INC.$7,140,3101 awards
25ANDERSON PLACE CONSTRUCTION LLC$6,779,1371 awards
26M&K GENERAL CONTRACTORS INC$6,429,8512 awards
27KOMAN SUSTAINABLE SOLUTIONS, LLC$6,385,0742 awards
28CHASE, CARSON & WHITE, L.L.C.$6,152,9161 awards
29FACILITY SUPPORT SERVICES LLC$5,992,1941 awards
30WORRELL CONTRACTING CO INC$5,887,0683 awards
31KOMPAN GMBH$5,669,8023 awards
32SAPPER WEST - SPECTRUM SVC GRP - JV$5,515,7915 awards
33ADDON SERVICES LLC$5,300,4731 awards
34ROBBERT CONSTRUCTION, INC$4,998,8122 awards
35PUGSLEY BYRNE JV2, LLC$4,982,0621 awards
36WHITING-TURNER CONTRACTING COMPANY, THE$4,972,0911 awards
37ITALVERDE TANCI DI MARIO TANCI SRL$4,826,4311 awards
38RAAD CONSTRUCTION GROUP LLC$4,715,6881 awards
39ENVIRONMENTAL CHEMICAL CORPORATION ITALY S.R.L.$4,661,9691 awards
40SALMONS DREDGING CORPORATION$4,654,1041 awards
41GULF REMEDIATION, INC$4,641,4641 awards
42VETERANS CONTRACTING GROUP, INC.$4,608,7371 awards
43UNALAKLEET-INTEGRIWARD JV, LLC$4,587,3131 awards
44GLOBAL ENGINEERING SERVICES INC$4,552,3303 awards
45AKEA, INC.$4,425,1321 awards
46C&I USA JV, LLC$4,211,6521 awards
47FDT WATER INFRASTRUCTURE, LLC$4,194,0372 awards
48ENVISION GROUP GENERAL CONTRACTING BY GRIEGO CONSTRUCTION L.L.C$4,122,9242 awards
49PERMON CONTRACTORS INC$4,075,5114 awards
50AMERICAN INSTITUTE IN TAIWAN$4,064,6612 awards
51PUYENPA CONSTRUCTION, LLC$3,936,7991 awards
52US FENCE & GATE, INC.$3,859,6171 awards
53TABEZA HOLDINGS, LLC$3,847,3382 awards
54MCGARY CONSTRUCTION LLC$3,758,9002 awards
55SUH'DUTSING-PILKINGTON CONSTRUCTION JV II, LLC$3,672,8661 awards
56LACUSONG LEILANI$3,652,2511 awards
57AAECON GENERAL CONTRACTING LLC$3,596,0011 awards
58EIFFAGE INFRAESTRUCTURAS SAU$3,561,2901 awards
59ANDRITZ HYDRO CORP$3,493,7002 awards
60TOA CORPORATION$3,469,7871 awards