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Home/NAICS 541990/PSC Z299

NAICS + PSC page

NAICS 541990 and PSC Z299 contractors

All Other Professional, Scientific, and Technical Services. MAINT, REP/ALTER/ALL OTHER. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541990 + PSC Z299
Last updated: April 8, 2026

Visible recipients

2

Mapped obligations

$267,363,864

State overlap

0

Top recipients

Visible recipients in the NAICS 541990 and PSC Z299 overlap

Amentum Government Services, Inc.

Chantilly, VA

Amentum Government Services, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $1,102,374,198 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 811118 (Other Automotive Mechanical and Electrical Repair and Maintenance). The profile also shows meaningful product and service activity in PSC J023.

$258,350,759

Sealaska Environmental Services, LLC

Juneau, AK

Sealaska Environmental Services, LLC is a federal alaskan native corporation owned firm profile based in Juneau, AK. The current public data layer shows $61,920,218 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 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F999.

$9,013,105

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