Hok, Inc.

Company facts

Self-certified in SAM.gov

• For Profit Organization

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 541320 Landscape Architectural Services
• 541330 Engineering Services
• 541350 Building Inspection Services
• 541410 Interior Design Services
• 541430 Graphic Design Services
• 541490 Other Specialized Design Services
• 541611 Administrative Management and General Management Consulting Services
• 541618 Other Management Consulting Services

Corporate family

• HOK Group, Inc. Parent St. Louis, MO FPEUX79J9DM8
  • Hok, Inc.
    • H O K Hellmuth, Obata & Kassabaum, Inc. · San Francisco, CA RTNMPKKL9BA1
    • Hellmuth Obata & Kassabaum, Inc. Chicago, IL HUCHK2H46AR3
    • Hellmuth, Obata & Kassabaum, Inc. Los Angeles, CA PX6CQE8DM8K3
    • Hellmuth, Obata & Kassabaum, Inc. St. Louis, MO CQJLYUAF62J3
    • Hellmuth, Obata & Kassabaum, Inc. Dallas, TX S1CRWHEVCCE5
    • Hellmuth, Obata & Kassabaum, Inc. Houston, TX MZR9E8CJTK13
    • Hellmuth, Obata & Kassabaum, P.C. New York, NY Z3A4YNX9KEZ4
    • HOK Hellmuth, Obata & Kassabaum, Inc. KAB7BKNCZFM7
    • HOK Architects Hellmuth, Obata & Kassabaum, Inc. · Tampa, FL Z348FADRL7C3

SAM.gov registration date

Jun 8, 2016

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Dec 2, 2025.