Stronghold Engineering Inc.

Perris, CA

UEI
EG59ND6RTQ43
CAGE
0ZCX2
Primary NAICS
236220 Commercial and Institutional Building Construction
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • Minority Owned Business
  • For Profit Organization
  • Woman Owned Business
  • Asian-Pacific American Owned
  • Subchapter S Corporation
Entity structure
Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov
Show all
SAM.gov registration date
Physical address
150 W Walnut Ave, Perris, CA 92571, USA
Website
strongholdengineering.com
Founded
1991
Employees
51-250
Estimated annual revenue
$10M-$50M
Industry
  1. Industrials
  2. Capital Goods
  3. Construction & Engineering
SIC code
87 Engineering & Management Services
Profiles

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Recent federal awards

Stronghold Engineering Inc.'s 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award Agency Obligated Awarded
Construction of new 185FT atct and tracon facility at SAN jose mineta international airport Contract · 697DCK26C00217 Southwestern Region $100,918,901
Pefo 267538 rehabilitate painted desert community complex Contract · 140P2025C0030 National Office $40,091,098
Minimum guarantee Contract · W9128A25F0047 ENDIST Honolulu $2,000
RM15-2763 repair and replace electrical system requirements within the naval supply systems command (NAVSUP) fleet… Contract · N6247824F4206 Naval Facilities Engineering Command $68,355,071
Emergency power electrical Contract · 140A2323P0441 Bureau of Indian Education $131,885

About Stronghold Engineering Inc.

Stronghold Engineering Inc. is a minority-owned, woman-owned, and Asian-Pacific American-owned small business registered in SAM.gov since 2002, with its headquarters located in Perris, California. The company is structured as a Subchapter S Corporation and has demonstrated significant capability in providing comprehensive engineering and construction services to various federal agencies. As a versatile federal contractor, Stronghold Engineering has established itself as a reliable partner for complex infrastructure and construction projects across multiple sectors of government.

The company's federal contract portfolio reveals extensive expertise in critical infrastructure development, encompassing projects for agencies such as the National Park Service, U.S. Navy Installations Command, Bureau of Indian Affairs, and U.S. Army Corps of Engineers. Specific contract awards highlight Stronghold Engineering's capabilities in major infrastructure rehabilitation and construction, including electrical system replacements at Joint Base Pearl Harbor-Hickam ($68.2 million), potable water system improvements at Grand Canyon National Park ($215 million), rehabilitation of the Painted Desert Community Complex ($37 million), and construction of a 160-foot air traffic control tower at Air Force Plant 42 ($18 million). These contracts demonstrate the company's proficiency in diverse project types such as water system upgrades, electrical infrastructure repairs, historic building restoration, bridge construction, and specialized facility development. None of the contracts were set aside for specific business types, indicating Stronghold Engineering's competitive capabilities in open federal procurement processes across multiple regions and federal agencies.

Contract vehicles

SBA capabilities narrative

General, Electrical & Civil Design-Build contractor for New Construction, Renovations, Mechanical Upgrades, Environmental Restoration, Barracks, Airports, Hospitals, Medical Facilities, High Voltage Dist, Occupied Spaces, Heavy Hwy, & Int'l.

Quick answers

What is Stronghold Engineering Inc.'s UEI?

Stronghold Engineering Inc.'s Unique Entity ID (UEI) in SAM.gov is EG59ND6RTQ43.

What is Stronghold Engineering Inc.'s CAGE code?

Stronghold Engineering Inc.'s CAGE code is 0ZCX2.

What is Stronghold Engineering Inc.'s primary NAICS code?

Stronghold Engineering Inc.'s primary NAICS code is 236220 (Commercial and Institutional Building Construction).

Where is Stronghold Engineering Inc. located?

Stronghold Engineering Inc.'s physical address in SAM.gov is 150 W Walnut Ave, Perris, CA 92571, USA.

Is Stronghold Engineering Inc. registered in SAM.gov?

Yes. Stronghold Engineering Inc.'s SAM.gov registration is active through February 19, 2027.

Which contract vehicles does Stronghold Engineering Inc. hold?

Stronghold Engineering Inc. holds a place on 5 federal contract vehicles, including Design-Build and Design-Bid-Build Construction Services - Hawaii and FSS-84.

What is Stronghold Engineering Inc.'s most recent federal award?

Stronghold Engineering Inc.'s most recent federal contract award is Construction of new 185FT atct and tracon facility at SAN jose mineta international airport (697DCK26C00217), from Southwestern Region, on August 27, 2026.

On GovTribe

See Stronghold Engineering Inc.'s full federal record

  • Federal contract awards
  • IDV awards
  • Contract vehicles
  • Subcontracting relationships
  • Funding analysis by agency, NAICS and set-aside
  • Similar vendors