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Department of Defense NAICS 541512 and PSC N059 contractors

Computer Systems Design Services. INSTALLATION OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 541512 · PSC N059
Last updated: April 8, 2026

Visible recipients

7

Mapped obligations

$6,901,911,119

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541512 and PSC N059

M. C. Dean, Inc.

Tysons, VA

M. C. Dean, Inc. is a federal category business profile based in Tysons, VA. The current public data layer shows $366,425,260 in visible federal obligations across 1,299 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 J058.

$731,833,246

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.

$4,063,145,955

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.

$1,533,010,309

Exp Federal Inc.

Chicago, IL

Exp Federal Inc. is a federal category business profile based in Chicago, IL. The current public data layer shows $33,712,210 in visible federal obligations across 62 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.

$302,330,215

Schneider Electric Buildings Americas, Inc.

Carrollton, TX

Schneider Electric Buildings Americas, Inc. is a federal category business profile based in Carrollton, TX. The current public data layer shows $30,669,775 in visible federal obligations across 54 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.

$148,165,952

Olgoonik Solutions LLC

Anchorage, AK

Olgoonik Solutions LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $17,097,482 in visible federal obligations across 76 awards or transactions. Department of State appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541690 (Other Scientific and Technical Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$119,450,060

Parsons Technical Services INC

Pasadena, CA

Parsons Technical Services INC is a federal category business profile based in Pasadena, CA. The current public data layer shows $14,950,692 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 AC23.

$3,975,382