GovChime
UEI: RBQUPA3MXL64 • CAGE: 7YUP2

DON H. MAHAFFEY DRILLING CO. (CA)

DBA: DON H MAHAFFEY DRILLING CO

Registration facts

SAM.gov registration as of

SAM.gov registration
Active
Registration expiration date Sep 9, 2027

Registration

Doing business as
DON H MAHAFFEY DRILLING CO
Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
Feb 19, 1953 (73 years)
Location
Compton, CA
State of incorporation
California
Purpose of registration
All Awards

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI RBQUPA3MXL64. GovChime does not check exclusions.

Performance

Capabilities

NAICS codes

Show all 7 NAICS codes

Small: small business for that NAICS, self-certified in SAM.gov registration.

SBA certifications

No certification in the SBA profile data.

Business types self-reported in SAM.gov registration:

  • Women-Owned Small Business
  • Hispanic American Owned
  • Women-Owned Business
  • Minority-Owned Business
  • Self Certified Small Disadvantaged Business

Capabilities & Services

Building and bridge foundation piles
Drywell drilling
Belled caissons
Seismic retrofitting
Foundation related earthquake repair
Landfill gaswell drilling
Hillside stabilization and foundation piles
Limited access drilling
Pile driving
Displacement piles
Micropiles
Environmental drilling
Complete earth retention shoring systems
Seepage pit drilling
and Hourly-operated drilling equipment rental.

Contracts

Contact Info

As of . Source: SAM.gov Points of Contact.

SAM.gov registration for DON H. MAHAFFEY DRILLING CO. lists a physical address and a separate mailing address, along with 2 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

1800 S ALAMEDA STREET

COMPTON, CA, 90221

USA

Mailing Address

1800 S ALAMEDA STREET

COMPTON, CA, 90221

USA

Government Business Contact

Ashley M Tullius

1800 South Alameda Street

Compton, CA, 90221

USA

Electronic Business Contact

Ashley M Tullius

1800 South Alameda Street

Compton, CA, 90221

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

DON H. MAHAFFEY DRILLING CO. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires September 9, 2027.

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

Disaster Relief Registry

Registered for disaster relief contracting — CALIFORNIA

Bonding Information

No bonding information provided

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Profit Structure:For Profit Organization

Registration Details

Source: SAM.gov

Initial Registration

Oct 5, 2017

Last Update

Sep 10, 2026

Registration Activation

Active — Sep 10, 2026

Fiscal Year End

1231

Country of Incorporation

USA

Congressional District

43