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 541513

Top contractors in NAICS 541513

The 340 contractors with tracked federal awards in NAICS 541513, totalling $18,476,674,783. Ranked by award value.

See live NAICS 541513 opportunities →All contractors

1LEIDOS, INC.$3,746,544,09443 awards
2CGI FEDERAL INC.$2,074,330,64230 awards
3GENERAL DYNAMICS INFORMATION TECHNOLOGY INC.$1,404,868,74320 awards
4GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.$994,203,27217 awards
5LDRM LLC$567,710,5951 awards
6AMENTUM SERVICES, INC.$483,660,2014 awards
7INUTEQ, LLC$438,540,25634 awards
8DIGNARI, LLC$362,760,83231 awards
9SCIENCE APPLICATIONS INTERNATIONAL CORPORATION$359,153,16934 awards
10SCIENCE APPLICATIONS INTERNATIONAL CORP$330,364,85014 awards
11SEV1TECH, LLC$317,385,99417 awards
12GENERAL DYNAMICS MISSION SYSTEMS, INC.$262,290,5603 awards
13NETWORK MANAGEMENT RESOURCES INC.$247,230,5161 awards
14DIRECTVIZ SOLUTIONS, LLC$245,582,6641 awards
15LOCKHEED MARTIN SERVICES, LLC$225,270,7011 awards
16PAE PROFESSIONAL SERVICES, LLC$224,531,4311 awards
17DLH, LLC$220,570,8246 awards
18AGILE DECISION SCIENCES, LLC$216,085,1693 awards
19RESOURCE MANAGEMENT CONCEPTS, INC.$211,614,7065 awards
20TEKSYNAP CORPORATION$207,660,63913 awards
21KBR WYLE SERVICES, LLC$160,195,61944 awards
22BUSINESS INTEGRA TECHNOLOGY SOLUTIONS, INC.$149,298,8751 awards
23INCENTIVE TECHNOLOGY GROUP LLC$147,502,62415 awards
24VECTRUS SYSTEMS LLC$144,671,1641 awards
2522ND CENTURY TECHNOLOGIES, INC.$137,853,55611 awards
26BOWHEAD TOTAL ENTERPRISE SOLUTIONS, LLC$129,520,58818 awards
27XOR SECURITY LLC$127,315,9169 awards
28IRON BOW TECHNOLOGIES, LLC$106,189,9001 awards
29AKTARIUS LLC$102,101,2592 awards
30VISTA DEFENSE TECHNOLOGIES, LLC$95,135,2718 awards
31MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.$93,295,3871 awards
32SUMMIT TECHNOLOGIES, INC.$92,065,78229 awards
33AMERICAN SYSTEMS CORPORATION$88,663,7943 awards
34CRITERION SYSTEMS, L.L.C.$69,978,59511 awards
35STRATASCOR, LLC$67,582,8272 awards
36COMPQSOFT, INC.$67,158,2851 awards
37CSRA LLC$66,866,9478 awards
38ALEUT AEROSPACE ENGINEERING, LLC$64,170,2661 awards
39ASRC FEDERAL SYSTEM SOLUTIONS LLC$64,065,3281 awards
40SYSTEMS IMPLEMENTERS INC$63,113,62014 awards
41I TECH AG LLC$62,989,21810 awards
42DECISIONPOINT CORPORATION$57,211,2876 awards
43WORLD WIDE TECHNOLOGY LLC$56,501,8241 awards
44KUPONO GOVERNMENT SERVICES, LLC$55,961,4431 awards
45GALAPAGOS FEDERAL SYSTEMS LLC$55,353,4623 awards
46LAWELAWE TECHNOLOGY SERVICES, INC.$53,510,5451 awards
47KOA LANI JV LLC$53,493,6413 awards
48EFIIA CONSULTING LLC$52,843,8644 awards
49ONEIDA TECHNICAL SOLUTIONS, LLC$51,295,1483 awards
50ELB SERVICES LLC$49,775,14913 awards
51ALUTIIQ ESSENTIAL SERVICES LLC$49,301,1741 awards
52EQUINOXYS INC.$48,870,1364 awards
53VERITIUM INGENUITY, LLC$46,905,3462 awards
54KAIHONUA LLC$45,914,4441 awards
55CHEROKEE NATION SYSTEM SOLUTIONS LLC$45,567,8194 awards
56COHO TECHNOLOGY SOLUTIONS, LLC$44,906,6076 awards
57UMYUAQ TECHNOLOGY LLC$44,827,2822 awards
58HEXAGON US FEDERAL, INC$41,989,9761 awards
59AUDACIOUS INQUIRY LLC$41,877,7593 awards
60DNI EMERGING TECHNOLOGIES, LLC$41,656,9614 awards