HELLMUTH, OBATA & KASSABAUM, INC. (MO)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2009
- $41.44M
- $41,439,210under this UEI
- FY2026 obligations
- $3.03M†
- $3,026,969Provisional
- Awards and orders
- 9
- with positive net obligations2 IDV vehicles held
- Latest action
- Sep 30, 2026
- SAM.gov registration
- Active
- Registration expiration date Dec 11, 2026
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Sep 5, 1995 (31 years)
- Location
- Saint Louis, MO
- State of incorporation
- Missouri
- Website
- hok.com
† FY2026 obligations (provisional; DoD awards signed after Jul 27, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI CQJLYUAF62J3. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2009. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: $3,026,969 (provisional)
- FY2025: $20,655,014
- FY2024: $4,804,826
- FY2023: $3,384,414
- FY2022: $674,957
- FY2021: $389,109
- FY2020: $8,498,921
- FY2010: $5,000
Total across 8 fiscal years: $41,439,210
Top awarding agencies
- General Services Administration$41,434,210, >99.9%
- Department of Defense$5,000, <0.1%
Top awarding sub-agencies
- Public Buildings Service$41,434,210, >99.9%
- Department of the Air Force$5,000, <0.1%
Top NAICS by obligations
- 541310Architectural services$41,439,210, 100%
Top product and service codes by obligations
- C1AAArchitect and engineering- construction: office buildings$32,892,913, 79.4%
- C211Architect and engineering- general: landscaping, interior layout, and designing$5,269,273, 12.7%
- C213Architect and engineering- general: inspection (non-construction)$3,277,024, 7.9%
Capabilities
NAICS codes
- 541310Architectural Services(primary)
- 541320Landscape Architectural Services
- 541330E
- 541350Building Inspection Services
- 541410Interior Design Services
- 541430Graphic Design Services
Show all 9 NAICS codes3 more NAICS codes
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- 47PE0324F0012Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- 47PM0224F0013Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- 47PJ0020C0079Definitive contractGeneral Services AdministrationPublic Buildings ServiceLatest action
- 47PE0525C0001Definitive contractGeneral Services AdministrationPublic Buildings ServiceLatest action
- 47PF0023D0004Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationPublic Buildings ServiceLatest action
- 47PF0025F0701Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- 47PM0923F0062Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- 47PH0824F0010Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- 47PM1123F0011Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- 0001Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the Air ForceLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for HELLMUTH, OBATA & KASSABAUM, INC. lists a physical address and a separate mailing address, along with 5 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
10 S BROADWAY STE 200
SAINT LOUIS, MO, 63102
USA
Mailing Address
10 S BROADWAY STE 200
SAINT LOUIS, MO, 63102
USA
Government Business Contact
RICH CHEN
10 S BROADWAY STE 200
SAINT LOUIS, MO, 63102
USA
Electronic Business Contact
BARB ANDERSEN-KERLIN
3223 GRACE STREET, NW
WASHINGTON, DC, 20007
USA
Government Business Alternate Contact
RICH CHEN
10 S BROADWAY STE 200
SAINT LOUIS, MO, 63102
USA
Electronic Business Alternate Contact
BARB ANDERSEN-KERLIN
3223 GRACE STREET, NW
WASHINGTON, DC, 20007
USA
Past Performance Alternate Contact
0001 541330NNNN N
0000
0001
E&Y
Additional Details
As of . Source: SAM.gov Entity Registration.
HELLMUTH, OBATA & KASSABAUM, INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires December 11, 2026.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Registered for disaster relief contracting — Nationwide
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
Other contractors in Missouri with primary NAICS 541310
- Strata Architecture Inc.Kansas City, MO
- Oculus Inc.St. Louis, MO
- Gastinger and Walker Architects, IncKansas City, MO
- Oculus-Imeg JV, LLPSaint Louis, MO
- Wellner Architects, Inc.Kansas City, MO
- Health, Education and Research Associates, Inc.Saint Louis, MO