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NAICS 236220 contractors in Maryland

Commercial and Institutional Building Construction. Use this state-scoped industry page to see which visible federal contractors carry the clearest footprint in this NAICS lane inside Maryland.

State: Maryland
Last updated: April 8, 2026

Visible recipients

8

Mapped obligations

$14,250,142,883

Buyer overlap

4

Top recipients

Visible recipients tied to NAICS 236220 in Maryland

Whiting-turner Contracting Company, The

Towson, MD

Whiting-turner Contracting Company, The is a federal category business profile based in Towson, MD. The current public data layer shows $614,842,352 in visible federal obligations across 232 awards or transactions. Department of Defense 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 Y1JZ.

$6,884,094,367

Clark Construction Group LLC

Bethesda, MD

Clark Construction Group LLC is a federal category business profile based in Bethesda, MD. The current public data layer shows $399,234,980 in visible federal obligations across 109 awards or transactions. Department of Defense 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 Y1AA.

$6,392,042,808

Gilbane Building Company

Baltimore, MD

Gilbane Building Company is a federal category business profile based in Baltimore, MD. The current public data layer shows $346,060,830 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y142.

$610,719,877

Constellation Newenergy, Inc.

Baltimore, MD

Constellation Newenergy, Inc. is a federal category business profile based in Baltimore, MD. The current public data layer shows $113,370,757 in visible federal obligations across 265 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 S112.

$9,889,101

Imagine One Technology & Management LTD

Lexington Park, MD

Imagine One Technology & Management LTD is a federal category business profile based in Lexington Park, MD. The current public data layer shows $64,402,106 in visible federal obligations across 49 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 D306.

$1,752,556

Harkins Builders, Inc.

Columbia, MD

Harkins Builders, Inc. is a federal category business profile based in Columbia, MD. The current public data layer shows $22,700,634 in visible federal obligations across 7 awards or transactions. Department of Defense 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 Y199.

$349,540,171

Nika Technologies INC

Rockville, MD

Nika Technologies INC is a federal category business profile based in Rockville, MD. The current public data layer shows $22,697,392 in visible federal obligations across 40 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 R499.

$1,976,439

Johnson Controls Federal Systems, LLC

Rockville, MD

Johnson Controls Federal Systems, LLC is a federal category business profile based in Rockville, MD. The current public data layer shows $138,176 in visible federal obligations across 7 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 332311 (Prefabricated Metal Building and Component Manufacturing). The profile also shows meaningful product and service activity in PSC S206.

$127,564