Loading…

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

Explore the demo

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 built for US government contractors and hosted in the United States. Operated by eSourcing Data Ltd, registered in England and Wales.

© 2026 eSourcing Data Ltd · info@winacontract.com

NAICS 561439

Top contractors in NAICS 561439

The 13 contractors with tracked federal awards in NAICS 561439, totalling $23,568,917. Ranked by award value.

See live NAICS 561439 opportunities →All contractors

1MAXIMUS FEDERAL SERVICES, INC.$17,710,2561 awards
2IMMEDIATE MAILING SERVICES, INC.$1,929,9001 awards
3WORLD SERVICES LLC$849,1841 awards
4CONTRACTING & COMMUNICATIONS SERVICES, INC.$463,8541 awards
5310 DUST CONTROL LLC$410,5331 awards
6NOMADIC LAND CAMPS, LLC$400,7551 awards
7406 FIRE LOGISTICS LLC$399,3021 awards
8DARREN HOLT$339,6341 awards
9GIZMO IT INC$332,1422 awards
10FIRE DAWG GREEN, INC.$253,0131 awards
11LINKED UP MEDIA INC.$233,4881 awards
12EVERGREEN RESOURCE INC$146,1971 awards
13ARC DOCUMENT SOLUTIONS, LLC$100,6591 awards