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Department of Defense NAICS 541611 and PSC D399 contractors

Administrative Management and General Management Consulting Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 541611 · PSC D399
Last updated: April 8, 2026

Visible recipients

62

Mapped obligations

$59,808,703,621

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541611 and PSC D399

Mantech Information Systems & Technology Corporation

Fairfax, VA

Mantech Information Systems & Technology Corporation is a federal category business profile based in Fairfax, VA. The current public data layer shows $165,706,223 in visible federal obligations across 5 awards or transactions. Department of Justice 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 D399.

$130,278,285

Veterans Ez Info Inc.

San Diego, CA

Veterans Ez Info Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $143,620,748 in visible federal obligations across 38 awards or transactions. Department of Veterans Affairs 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 DA01.

$77,014,795

Tista Science And Technology Corporation

Rockville, MD

Tista Science And Technology Corporation is a federal 8a program participant profile based in Rockville, MD. The current public data layer shows $140,919,093 in visible federal obligations across 37 awards or transactions. Department of Veterans Affairs 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.

$575,866,468

Chickasaw Advisory Services, LLC

Norman, OK

Chickasaw Advisory Services, LLC is a federal 8a program participant profile based in Norman, OK. The current public data layer shows $139,481,123 in visible federal obligations across 5 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC D399.

$70,225,538

Sparksoft Corporation

Columbia, MD

Sparksoft Corporation is a federal 8a program participant profile based in Columbia, MD. The current public data layer shows $87,873,983 in visible federal obligations across 52 awards or transactions. Department of Health and Human Services 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 DA01.

$214,665,551

Macaulay-brown, Inc.

Dayton, OH

Macaulay-brown, Inc. is a federal category business profile based in Dayton, OH. The current public data layer shows $86,765,347 in visible federal obligations across 5 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC 7050.

$500

Mantech Enterprise Management, Inc.

Fairfax, VA

Mantech Enterprise Management, Inc. is a federal category business profile based in Fairfax, VA. The current public data layer shows $85,431,968 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 D399.

$75,238,825

Reli Group INC

Windsor Mill, MD

Reli Group INC is a federal 8a program participant profile based in Windsor Mill, MD. The current public data layer shows $79,433,948 in visible federal obligations across 119 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 R408.

$464,181,790

Telligen, INC

West Des Moines, IA

Telligen, INC is a federal category business profile based in West Des Moines, IA. The current public data layer shows $74,220,491 in visible federal obligations across 15 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541618 (Other Management Consulting Services). The profile also shows meaningful product and service activity in PSC Q101.

$63,030,054

Alutiiq Information Management, LLC

Anchorage, AK

Alutiiq Information Management, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $70,909,730 in visible federal obligations across 114 awards or transactions. Department of State 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 S216.

$188,012,677
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