GovChime
UEI: HUCHK2H46AR3 • CAGE: 7VKK6

HELLMUTH OBATA & KASSABAUM, INC. (IL)

Registration facts

SAM.gov registration as of

SAM.gov registration
Active
Registration expiration date Dec 9, 2026

Registration

Business start date
Sep 5, 1995 (31 years)
Location
Chicago, IL

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI HUCHK2H46AR3. GovChime does not check exclusions.

Performance

Capabilities

Contracts

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 4 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

333 SOUTH WABASH AVENUE, 14TH FLOOR

CHICAGO, IL, 60604

USA

Mailing Address

333 SOUTH WABASH AVENUE, 14TH FLOOR

CHICAGO, IL, 60604

USA

Government Business Contact

RICHARD G MASCIA

333 SOUTH WABASH AVENUE, 14TH FLOOR

CHICAGO, IL, 60604

USA

Electronic Business Contact

RICH CHEN

10 S BROADWAY STE 200

ST. LOUIS, MO, 63102

USA

Government Business Alternate Contact

RICH CHEN

10 S BROADWAY STE 200

ST. LOUIS, MO, 63102

USA

Past Performance Alternate Contact

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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 9, 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 responses

Suspension/Debarment Status

SAM.gov registration reports no active exclusion

Public Display

Entity information is publicly displayed

Registration Details

Source: SAM.gov

Initial Registration

May 21, 2017

Last Update

Dec 15, 2025

Registration Activation

Active — Dec 15, 2025

Fiscal Year End

1231

Country of Incorporation

USA

Congressional District

07