GovChime
UEI: Z1Q4RNYDL2J8 • CAGE: 0CU27

SIMPKINS & COSTELLI, INC (MS)

Registration facts

SAM.gov registration as of

SAM.gov registration
Active
Registration expiration date Oct 30, 2026

Registration

Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
May 8, 1981 (45 years)
Location
Gulfport, MS
State of incorporation
Mississippi
Website
simpkins-costelli.com
All federal contractors in MississippiHow these figures are built

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI Z1Q4RNYDL2J8. GovChime does not check exclusions.

Performance

Capabilities

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:

  • Self Certified Small Disadvantaged Business
  • Women-Owned Small Business
  • Woman-Owned Business

Federal Capability Statement

Civil and Structural Engineering Design and Construction administration services.

Capabilities & Services

Civil Engineering Design
Civil Engineering Construction Administration
Structural Engineering Design
Structural Engineering Construction Administration
Project Management
Waterfront Facilities
Potable Water and Wastewater Projects
Commercial
Industrial
Institutional
Schools
Hospitals
Churches
Drafting
Civil Engineering Consulting
Structural Engineering Consulting

Contracts

Contact Info

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

SAM.gov registration for SIMPKINS & COSTELLI, 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

401 32ND 1/2 ST

GULFPORT, MS, 39507

USA

Mailing Address

P.O. BOX 6235

GULFPORT, MS, 39507

USA

Government Business Contact

MADELINE C PETTRY

OWNER

401 32ND 1/2 STREET

GULFPORT, MS, 39507

USA

Electronic Business Contact

MICHAEL COSTELLI

401 32ND 1/2 STREET

GULFPORT, MS, 39507

USA

Past Performance Contact

MICHAEL COSTELLI

401 32ND 1/2 STREET

GULFPORT, MS, 39507

USA

Government Business Alternate Contact

MADELINE C PETTRY

OWNER

401 32ND 1/2 STREET

GULFPORT, MS, 39507

USA

Electronic Business Alternate Contact

MICHAEL COSTELLI

401 32ND 1/2 STREET

GULFPORT, MS, 39507

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

SIMPKINS & COSTELLI, INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires October 30, 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

Disaster Relief Registry

Registered for disaster relief contracting — ALABAMA~LOUISIANA~MISSISSIPPI

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

Feb 19, 2002

Last Update

Nov 3, 2025

Registration Activation

Active — Nov 3, 2025

Fiscal Year End

0430

Country of Incorporation

USA

Congressional District

04