Hellmuth, Obata & Kassabaum, Inc.
Saint Louis, MO · UEI CQJLYUAF62J3 · NAICS 541310
Hellmuth, Obata & Kassabaum, Inc. is a federal contractor based in Saint Louis, MO operating in professional, scientific, and technical services (NAICS 541310). Hellmuth, Obata & Kassabaum, Inc. has received $37.67 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 9 contracts totaling $37.67 million for this firm. Hellmuth, Obata & Kassabaum, Inc.'s largest customer is General Services Administration, accounting for $37.66 million of awarded work.
Top contracts
| PIID | Agency | Latest action | Obligated |
|---|---|---|---|
| 47PE0525C0001 | General Services Administration | July 2, 2025 | $17.44M |
| 47PJ0020C0079 | General Services Administration | March 16, 2026 | $15.10M |
| 47PM0224F0013 | General Services Administration | January 20, 2026 | $2.58M |
| 47PE0324F0012 | General Services Administration | March 13, 2026 | $2.38M |
| 47PF0025F0701 | General Services Administration | August 19, 2025 | $165.5K |
| 0002 | Department Of Defense | September 28, 2009 | $10.8K |
| 0001 | Department Of Defense | March 24, 2010 | $5.0K |
| 47PF0023D0004 | General Services Administration | February 26, 2026 | $0 |
| FA440709D0025 | Department Of Defense | July 14, 2009 | $0 |
Top customers
| Agency | Obligated | Contracts |
|---|---|---|
| General Services Administration | $37.66M | 6 |
| Department Of Defense | $15.8K | 3 |
NAICS portfolio
| NAICS | Description | Obligated |
|---|---|---|
| 541310 | Architectural Services | $37.67M |
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Frequently asked questions
How much has Hellmuth, Obata & Kassabaum, Inc. received in federal contracts?
Hellmuth, Obata & Kassabaum, Inc. has received $37.67 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 9 contracts totaling $37.67 million for this firm. Their largest customer is General Services Administration, representing $37.66 million of awarded work.
What does Hellmuth, Obata & Kassabaum, Inc. do?
Hellmuth, Obata & Kassabaum, Inc. is a federal contractor based in Saint Louis, MO, registered under NAICS 541310 (professional, scientific, and technical services).