Founded in 1955, HOK formerly Hellmuth, Obata + Kassabaum, is an American design, architecture, engineering, and urban planning firm The company is headquartered in St. Louis, Missouri.
| Website | http://www.hok.com |
| Revenue | $323.9 million |
| Employees | View employees |
| Address | 10 S Broadway, St. Louis, Missouri 63102, US |
| Industry | Architecture, Engineering & Design, Construction |
| Competitors | NBBJ Design, Skidmore, Owings & Merrill (SOM), Populous, ZGF Architects, HKS, Inc. (view competitors) |
| SIC | SIC Code 8712 Companies, SIC Code 87 Companies, SIC Code 871 Companies |
| NAICS | NAICS Code 541310 Companies, NAICS Code 541 Companies, NAICS Code 5413 Companies, NAICS Code 54 Companies, NAICS Code 54131 Companies |
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HOK Group Questions
The HOK Group annual revenue was $323.9 million in 2026.
HOK Group is based in St. Louis, Missouri.
The NAICS codes for HOK Group are [541310, 541, 5413, 54, 54131].
The SIC codes for HOK Group are [8712, 87, 871].
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