Agency + NAICS page

Department of State NAICS 541512 contractors

Computer Systems Design Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of State.

Agency: Department of State
Last updated: April 6, 2026

Visible recipients

36

Mapped obligations

$60,964,481,303

Top PSC links

4

Top recipients

Visible recipients tied to Department of State and NAICS 541512

Johnson Controls Building Automation Systems, LLC

Huntsville, AL

Johnson Controls Building Automation Systems, LLC is a federal category business profile based in Huntsville, AL. The current public data layer shows $214,661,567 in visible federal obligations across 154 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 N059.

$1,964,372,394

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.

$286,705,707

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.

$63,012,666

Guidehouse LLP

Mc Lean, VA

Guidehouse LLP is a federal category business profile based in Mc Lean, VA. The current public data layer shows $140,750,981 in visible federal obligations across 132 awards or transactions. Department of State 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.

$336,913,321

Metrostar Systems, LLC

Reston, VA

Metrostar Systems, LLC is a federal category business profile based in Reston, VA. The current public data layer shows $122,292,251 in visible federal obligations across 73 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 R408.

$290,455,077

Siemens Government Technologies INC

Arlington, VA

Siemens Government Technologies INC is a federal category business profile based in Arlington, VA. The current public data layer shows $111,989,171 in visible federal obligations across 227 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 N059.

$818,963,110

Alpha Omega Integration LLC

Vienna, VA

Alpha Omega Integration LLC is a federal category business profile based in Vienna, VA. The current public data layer shows $68,539,857 in visible federal obligations across 91 awards or transactions. Department of Homeland Security 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 DD01.

$378,736,977

Microhealth LLC

Vienna, VA

Microhealth LLC is a federal 8a program participant profile based in Vienna, VA. The current public data layer shows $62,587,148 in visible federal obligations across 81 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 DD01.

$301,096,852

By Light Professional It Services LLC

Mclean, VA

By Light Professional It Services LLC is a federal category business profile based in Mclean, VA. The current public data layer shows $57,551,333 in visible federal obligations across 108 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.

$1,523,710,086

Macro Solutions LLC

Arlington, VA

Macro Solutions LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $44,730,794 in visible federal obligations across 11 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 D399.

$25,680,267
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