NAICS + PSC page

NAICS 541990 and PSC R408 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541990 + PSC R408
Last updated: April 6, 2026

Visible recipients

32

Mapped obligations

$19,532,318,752

State overlap

0

Top recipients

Visible recipients in the NAICS 541990 and PSC R408 overlap

Social & Scientific Systems, Inc.

Silver Spring, MD

Social & Scientific Systems, Inc. is a federal category business profile based in Silver Spring, MD. The current public data layer shows $34,734,611 in visible federal obligations across 84 awards or transactions. Department of Health and Human Services 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 AZ11.

$218,013,947

Concept Plus, LLC

Fairfax, VA

Concept Plus, LLC is a federal 8a program participant profile based in Fairfax, VA. The current public data layer shows $31,091,746 in visible federal obligations across 68 awards or transactions. Department of Defense 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 DA01.

$66,301,869

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 12 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.

$280,493,734

Abt Global LLC

Cambridge, MA

Abt Global LLC is a federal category business profile based in Cambridge, MA. The current public data layer shows $18,741,318 in visible federal obligations across 45 awards or transactions. Agency for International Development appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R425.

$3,047,860,200

Eccalon, LLC

Hanover, MD

Eccalon, LLC is a federal black american owned business profile based in Hanover, MD. The current public data layer shows $14,777,671 in visible federal obligations across 16 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 334290 (Other Communications Equipment Manufacturing). The profile also shows meaningful product and service activity in PSC R408.

$89,962,431

Netimpact Strategies INC

Herndon, VA

Netimpact Strategies INC is a federal asian pacific american owned business profile based in Herndon, VA. The current public data layer shows $8,904,526 in visible federal obligations across 46 awards or transactions. Department of Defense 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 R499.

$34,176,216

Venesco LLC

Chantilly, VA

Venesco LLC is a federal 8a program participant profile based in Chantilly, VA. The current public data layer shows $6,566,861 in visible federal obligations across 64 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.

$52,463,330

Amentum Environment & Energy, Inc.

Aiken, SC

Amentum Environment & Energy, Inc. is a federal category business profile based in Aiken, SC. The current public data layer shows $5,404,004 in visible federal obligations across 37 awards or transactions. Department of Energy 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.

$74,248,058

Altarum Institute

Novi, MI

Altarum Institute is a federal category business profile based in Novi, MI. The current public data layer shows $2,913,706 in visible federal obligations across 62 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.

$182,057,374

Abt Associates INC

"boston ", MA

Abt Associates INC is a federal recipient profile based in "boston ", MA. The current public data layer shows $2,255,290 in visible federal obligations across 5 awards or transactions. Agency for International Development 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 R421.

$49,569,903
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