Agency + NAICS page

Department of Defense NAICS 561210 contractors

Facilities Support Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Defense.

Agency: Department of Defense
Last updated: April 8, 2026

Visible recipients

146

Mapped obligations

$104,016,178,760

Top PSC links

4

Top recipients

Visible recipients tied to Department of Defense and NAICS 561210

Amentum Parsons Logistics Services LLC

Chantilly, VA

Amentum Parsons Logistics Services LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $186,810,332 in visible federal obligations across 25 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC R706.

$578,241,566

Sos International LLC

Reston, VA

Sos International LLC is a federal category business profile based in Reston, VA. The current public data layer shows $176,763,965 in visible federal obligations across 138 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC M1FC.

$709,094,773

Ahtna Facility Services, Incorporated

Anchorage, AK

Ahtna Facility Services, Incorporated is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $162,775,018 in visible federal obligations across 5 awards or transactions. Department of Energy 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.

$15,974,076

Avantus Federal LLC

Mc Lean, VA

Avantus Federal LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $158,730,910 in visible federal obligations across 95 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 R408.

$28,288

Aptim Federal Services, LLC

Baton Rouge, LA

Aptim Federal Services, LLC is a federal category business profile based in Baton Rouge, LA. The current public data layer shows $148,966,212 in visible federal obligations across 303 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.

$464,639,182

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.

$8,583,138

Sierra Lobo INC

Fremont, OH

Sierra Lobo INC is a federal category business profile based in Fremont, OH. The current public data layer shows $137,565,198 in visible federal obligations across 99 awards or transactions. National Aeronautics and Space Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). The profile also shows meaningful product and service activity in PSC AR11.

$255,981,251

Day & Zimmermann Hawthorne Corporation

Philadelphia, PA

Day & Zimmermann Hawthorne Corporation is a federal category business profile based in Philadelphia, PA. The current public data layer shows $131,435,268 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 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC S216.

$131,435,268

Shaw Infrastructure, Inc.

Monroeville, PA

Shaw Infrastructure, Inc. is a federal category business profile based in Monroeville, PA. The current public data layer shows $122,203,874 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 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC M199.

$165,808,666

Mcc Construction Corporation

Lakewood, CO

Mcc Construction Corporation is a federal category business profile based in Lakewood, CO. The current public data layer shows $119,252,138 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y119.

$2,233,857
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