Department of Defense NAICS 541330 contractors in Ohio

Engineering Services. Use this deeper state-buyer-industry page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

Ohio + Department of Defense

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$1,195,890,850

Visible recipients tied to Department of Defense, Ohio, and NAICS 541330

Sierra Lobo INC

Fremont, OH

Sierra Lobo INC is a federal category business profile based in Fremont, OH. The current public data layer shows $137,565,198 in visible federal obligations across 99 awards or transactions. National Aeronautics and Space Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). The profile also shows meaningful product and service activity in PSC AR11.

$251,781,912

Applied Research Solutions, Inc.

Beavercreek, OH

Applied Research Solutions, Inc. is a federal alaskan native corporation owned firm profile based in Beavercreek, OH. The current public data layer shows $104,337,997 in visible federal obligations across 111 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R707.

$26,235,115

Woolpert, Inc.

Beavercreek, OH

Woolpert, Inc. is a federal category business profile based in Beavercreek, OH. The current public data layer shows $53,524,547 in visible federal obligations across 89 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541360 (Geophysical Surveying and Mapping Services). The profile also shows meaningful product and service activity in PSC C219.

$74,991,255

Peerless Technologies Corporation

Fairborn, OH

Peerless Technologies Corporation is a federal asian pacific american owned business profile based in Fairborn, OH. The current public data layer shows $33,337,699 in visible federal obligations across 65 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$265,223,961

Sumaria Systems, LLC

Beavercreek, OH

Sumaria Systems, LLC is a federal category business profile based in Beavercreek, OH. The current public data layer shows $32,072,398 in visible federal obligations across 104 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R425.

$30,932,628

Woolpert-rs&h LLC

Beavercreek, OH

Woolpert-rs&h LLC is a federal category business profile based in Beavercreek, OH. The current public data layer shows $8,337,331 in visible federal obligations across 24 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C211.

$41,095,867

Solutions Through Innovative Technologies INC

Fairborn, OH

Solutions Through Innovative Technologies INC is a federal black american owned business profile based in Fairborn, OH. The current public data layer shows $5,348,826 in visible federal obligations across 72 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R499.

$428,550,195

Btas INC

Beavercreek, OH

Btas INC is a federal category business profile based in Beavercreek, OH. The current public data layer shows $4,198,007 in visible federal obligations across 50 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R707.

$77,079,917

Infoscitex Corporation

Dayton, OH

Infoscitex Corporation is a federal category business profile based in Dayton, OH. The current public data layer shows $24,600 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC AC62.