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Department of the Interior NAICS 541330 and PSC R408 contractors in Virginia

Engineering Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.

Virginia · Department of the Interior
Last updated: April 8, 2026

Visible recipients

14

Mapped obligations

$7,556,621,551

Cross-code depth

4 filters

Top recipients

Visible recipients tied to Department of the Interior, Virginia, NAICS 541330, and PSC R408

Modern Technology Solutions, Inc.

Alexandria, VA

Modern Technology Solutions, Inc. is a federal category business profile based in Alexandria, VA. The current public data layer shows $429,318,638 in visible federal obligations across 285 awards or transactions. General Services Administration 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.

$340,708,307

Magellan Federal, Inc.

Arlington, VA

Magellan Federal, Inc. is a federal category business profile based in Arlington, VA. The current public data layer shows $341,270,986 in visible federal obligations across 118 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 624190 (Other Individual and Family Services). The profile also shows meaningful product and service activity in PSC G099.

$487,840,750

Systems Planning And Analysis, Inc.

Alexandria, VA

Systems Planning And Analysis, Inc. is a federal category business profile based in Alexandria, VA. The current public data layer shows $300,519,048 in visible federal obligations across 238 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.

$1,738,362,178

Icf Incorporated, L.l.c.

Reston, VA

Icf Incorporated, L.l.c. is a federal category business profile based in Reston, VA. The current public data layer shows $271,970,237 in visible federal obligations across 1,306 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$1,577,716,390

Mantech Srs Technologies, Inc.

Herndon, VA

Mantech Srs Technologies, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $74,933,149 in visible federal obligations across 77 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.

$817,280,862

Analytic Services Inc.

Arlington, VA

Analytic Services Inc. is a federal category business profile based in Arlington, VA. The current public data layer shows $69,503,700 in visible federal obligations across 91 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$356,435,039

Wsp USA Solutions INC

Arlington, VA

Wsp USA Solutions INC is a federal category business profile based in Arlington, VA. The current public data layer shows $36,524,205 in visible federal obligations across 228 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 C219.

$174,972,016

Mantech Gray Hawk Systems, Inc.

Falls Church, VA

Mantech Gray Hawk Systems, Inc. is a federal category business profile based in Falls Church, VA. The current public data layer shows $28,570,924 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$20,864,093

Inalab Consulting, Inc.

Fairfax, VA

Inalab Consulting, Inc. is a federal 8a program participant profile based in Fairfax, VA. The current public data layer shows $26,223,753 in visible federal obligations across 136 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.

$64,361,348

Caci Enterprise Solutions, LLC

Chantilly, VA

Caci Enterprise Solutions, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $24,242,075 in visible federal obligations across 11 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC D399.

$274,056,073
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