Hellmuth, Obata & Kassabaum, Inc.

San Francisco, CA Doing business as H O K Part of Hok, Inc.

UEI
RTNMPKKL9BA1
CAGE
3UWU0
Primary NAICS
541310 Architectural Services
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • For Profit Organization
Entity structure
Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov
Corporate family
  • Hok, Inc. Parent DHZRTAFD81L3
    • Hellmuth, Obata & Kassabaum, Inc. RTNMPKKL9BA1
SAM.gov registration date
Physical address
One Bush St Suite 200, San Francisco, CA 94104, USA
Website
hok.com
Founded
1955
Employees
1K-5K
Estimated annual revenue
$250M-$500M
Industry
  1. Industrials
  2. Commercial & Professional Services
  3. Professional Services
  4. Architecture
SIC code
87 Engineering & Management Services
Profiles

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

Recent federal awards

Hellmuth, Obata & Kassabaum, Inc.'s 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award Agency Obligated Awarded
Design charrette Contract · GS04P07EXM0019 Region 4 $8,000
200510 ! 600557 ! 1700 ! N62742 ! NAV facilities engineering comma ! N6274205C0001 !a ! N! !n! ! !20050711 ! 20060710… Contract · N6274205C0001 Naval Facilities Engineering Command $32,101,779
Delivery Order 68C20115-CCO00199608CC600884T268C20115 Contract · CCO00199608CC600884T268C20115 Cincinnati Procurement Operations Division $465,000
Delivery Order 68C20115-CCO00199604CC600517T268C20115 Contract · CCO00199604CC600517T268C20115 Cincinnati Procurement Operations Division $231,000
Delivery Order 68C20115-CCO00199507CC500701T268C20115 Contract · CCO00199507CC500701T268C20115 Cincinnati Procurement Operations Division $100,000

Quick answers

What is Hellmuth, Obata & Kassabaum, Inc.'s UEI?

Hellmuth, Obata & Kassabaum, Inc.'s Unique Entity ID (UEI) in SAM.gov is RTNMPKKL9BA1.

What is Hellmuth, Obata & Kassabaum, Inc.'s CAGE code?

Hellmuth, Obata & Kassabaum, Inc.'s CAGE code is 3UWU0.

What is Hellmuth, Obata & Kassabaum, Inc.'s primary NAICS code?

Hellmuth, Obata & Kassabaum, Inc.'s primary NAICS code is 541310 (Architectural Services).

Where is Hellmuth, Obata & Kassabaum, Inc. located?

Hellmuth, Obata & Kassabaum, Inc.'s physical address in SAM.gov is One Bush St Suite 200, San Francisco, CA 94104, USA.

Is Hellmuth, Obata & Kassabaum, Inc. registered in SAM.gov?

Yes. Hellmuth, Obata & Kassabaum, Inc.'s SAM.gov registration is active through December 8, 2026.

Who is Hellmuth, Obata & Kassabaum, Inc.'s parent company?

Hellmuth, Obata & Kassabaum, Inc. is part of Hok, Inc.

What is Hellmuth, Obata & Kassabaum, Inc.'s most recent federal award?

Hellmuth, Obata & Kassabaum, Inc.'s most recent federal contract award is Design charrette (GS04P07EXM0019), from Region 4, on December 1, 2006.

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See Hellmuth, Obata & Kassabaum, Inc.'s full federal record

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