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Department of the Interior NAICS 541330 and PSC D399 contractors

Engineering 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 the Interior.

Department of the Interior · NAICS 541330 · PSC D399
Last updated: April 6, 2026

Visible recipients

8

Mapped obligations

$12,443,086,153

State overlap

2

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541330 and PSC D399

Caci, Inc. - Federal

Chantilly, VA

Caci, Inc. - Federal is a federal category business profile based in Chantilly, VA. The current public data layer shows $3,203,901,382 in visible federal obligations across 1,150 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 R425.

$7,575,316,170

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 $270,962,546 in visible federal obligations across 1,302 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.

$979,575,473

Smartronix, LLC

Hollywood, MD

Smartronix, LLC is a federal category business profile based in Hollywood, MD. The current public data layer shows $74,698,637 in visible federal obligations across 183 awards or transactions. General Services Administration 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.

$2,281,090,821

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.

$22,920,841

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.

$356,994,562

Octo Consulting Group LLC

Reston, VA

Octo Consulting Group LLC is a federal 8a program participant profile based in Reston, VA. The current public data layer shows $9,896,605 in visible federal obligations across 35 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.

$209,828,250

Spry Methods, Inc.

Mc Lean, VA

Spry Methods, Inc. is a federal category business profile based in Mc Lean, VA. The current public data layer shows $7,318,699 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 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R799.

$37,784,563

Icf Incorporated

Fairfax, VA

Icf Incorporated is a federal government profile based in Fairfax, VA. The current public data layer shows $5,505,384 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 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$979,575,473