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 334519

Top contractors in NAICS 334519

The 61 contractors with tracked federal awards in NAICS 334519, totalling $272,729,923. Ranked by award value.

See live NAICS 334519 opportunities →All contractors

1VELICO MEDICAL, INC.$135,607,2361 awards
2LEIDOS SECURITY DETECTION & AUTOMATION, INC.$27,433,1621 awards
3INTERFUZE CORPORATION$14,743,5301 awards
4NOBLE SUPPLY & LOGISTICS, LLC$11,489,8004 awards
5ZETA ASSOCIATES INC$11,247,5621 awards
6VAISALA INC.$8,926,1483 awards
7MJL ENTERPRISES, LLC$8,341,4569 awards
8SCITECH SERVICES INC$7,243,0167 awards
9SAFEWARE INC$5,925,0623 awards
10TELECOMMUNICATION SUPPORT SERVICES, INC.$5,884,6621 awards
11W S DARLEY & CO$4,358,7734 awards
12ASTROPHYSICS INC$4,089,8972 awards
13AVL TEST SYSTEMS INC$3,099,1752 awards
14SMITHS DETECTION INC.$2,222,0821 awards
15POINT SECURITY INC$2,146,4772 awards
16TSI INCORPORATED$1,906,8001 awards
17PAR EXCELLENCE SYSTEMS, INC$1,770,8122 awards
18GRAW RADIOSONDES GMBH & CO. KG$1,686,0801 awards
19SEA-BIRD ELECTRONICS, INC$1,436,3694 awards
20CAMPBELL SCIENTIFIC INC$1,390,0922 awards
21THERMO SCIENTIFIC PORTABLE ANALYTICAL INSTRUMENTS INC.$1,222,9561 awards
22MOUNTAIN HORSE LLC$1,182,5871 awards
23SENSORS INC$1,162,0021 awards
24HORIBA INSTRUMENTS INCORPORATED$1,159,2291 awards
25CEIA USA LTD$950,1372 awards
26WILBUR TECHNICAL SERVICES LLC$453,3171 awards
27GOVERNMENT SCIENTIFIC SOURCE INC$439,1572 awards
28NDT SOLUTIONS, LLC$414,8621 awards
29R. M. YOUNG COMPANY LLC$376,3581 awards
30TRILLAMED LLC$336,7453 awards
31PULCIR INC$313,2652 awards
32FORCE MEASUREMENT SYSTEMS, INC.$309,2141 awards
33RAPISCAN SYSTEMS INC$266,0172 awards
34SUN NUCLEAR CORP.$259,8091 awards
35SCDATACOM, LLC$251,4561 awards
36JOHN H CARTER CO INC$223,5691 awards
37THALES USA, INC.$186,9061 awards
38SAFETY & SECURITY INTERNATIONAL, INC.$183,3131 awards
39REES SCIENTIFIC CORPORATION$182,8201 awards
40OTT HYDROMET CORP$177,5652 awards
41VAISALA INC$172,0181 awards
42ATLANTIC DIVING SUPPLY, INC.$164,2091 awards
43INDUSTRIAL SCIENTIFIC CORPORATION$161,5741 awards
44ELECTRICAL EQUIPMENT CO$127,8651 awards
45PARSONS GOVERNMENT SERVICES INC.$118,7581 awards
46DIRECT DIMENSIONS INC$108,0001 awards
47LANGE CONTAINMENT SYSTEMS LLC$107,1851 awards
48FRONTIER PRECISION, INC$92,2571 awards
49ALL SAFE INDUSTRIES, INC$89,8321 awards
50MICROCHIP TECHNOLOGY INC$77,8401 awards
51SKC-WEST, INC.$73,6901 awards
52GASMET TECHNOLOGIES INC.$72,4131 awards
53PI PHYSIK INSTRUMENTE LP$60,5081 awards
54VISIONARY EXPERTS LLC$57,0081 awards
55IN-SITU MARINE OPTICS PTY LTD$53,5261 awards
56AZENTA US INC$49,3801 awards
57MIRION TECHNOLOGIES (CAPINTEC), INC.$38,2551 awards
58OHD LLLP$37,7551 awards
59CORRELATED SOLUTIONS INC$33,9951 awards
60SURV KAP INC$31,3791 awards