Stronghold Engineering Inc.
Perris, CA
- UEI
- EG59ND6RTQ43
- CAGE
- 0ZCX2
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
-
- 221114 Solar Electric Power Generation
- 221118 Other Electric Power Generation
- 221121 Electric Bulk Power Transmission and Control
- 221122 Electric Power Distribution
- 236210 Industrial Building Construction
- 237110 Water and Sewer Line and Related Structures Construction
- 237130 Power and Communication Line and Related Structures Construction
- 237990 Other Heavy and Civil Engineering Construction
- 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
-
- Industrials
- Capital Goods
- 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 .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $114,619,007 |
| FY2025 | $43,540,301 |
| FY2024 | $69,394,135 |
| FY2023 | $214,306,842 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Transportation | $100,918,904 | |
| 2 | Department of the Interior | $13,572,160 | |
| 3 | Department of the Navy | $127,943 |
Contract vehicles
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Contract subawards
| Prime contractor | Prime award | Amount | Awarded |
|---|---|---|---|
| Gilbane Federal JV | N6247325F0691 | $20,601,458 |
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Z Squared Builders Inc DB | El Dorado Hills, CA | 236220 Commercial and Institutional Building Construction |
| E6 Services, Inc. | Scottsdale, AZ | 237310 Highway, Street, and Bridge Construction |
| Aloha Construction Services, Inc. | Aguanga, CA | 238910 Site Preparation Contractors |
| Apex Global Construction Inc. | Sacramento, CA | 236220 Commercial and Institutional Building Construction |
| AC Lopez Construction Inc. | San Juan Capistrano, CA | 236220 Commercial and Institutional Building Construction |
About the company
Stronghold Engineering Inc., a minority-owned, woman-owned, and Asian-Pacific American-owned small business based in Perris, California, delivers large-scale construction and infrastructure engineering services to federal agencies as a prime contractor, competing in full-and-open procurements without set-aside restrictions. Operating as a Subchapter S corporation, Stronghold competes predominantly on technical merit and bonding capacity across construction, facilities operations, and utilities infrastructure—serving defense, interior, and civilian federal customers with a portfolio weighted toward Department of the Navy, Department of Veterans Affairs, and Army Corps of Engineers work.
Stronghold's customer concentration is heavily military and defense infrastructure. By award count, the top five funding entities account for 58% of recent awards: the Department of the Navy (124 awards), Department of Veterans Affairs (62 awards), Department of the Army (45 awards, $436 million combined potential value), United States Marine Corps (40 awards, $75.8 million combined potential value), and Navy Naval Facilities Engineering Command (21 awards, $1.81 billion combined potential value). By potential value, concentration shifts markedly — the Department of the Army Corps of Engineers Engineering Support Center Huntsville dominates at $14 billion across four awards, followed by Navy Naval Facilities Engineering Command at $1.81 billion and Army Corps of Engineers Engineering District Honolulu at $495 million, together accounting for 93% of combined potential value. The portfolio tilts toward military construction and facilities sustainment, with commercial and institutional building construction (70 awards) and power and communication line construction (55 awards) as the highest-volume NAICS categories.
Recent large awards include a $226.4 million National Park Service definitive contract (March 2023) for replacement and improvement of potable water systems at Grand Canyon National Park, with ultimate completion scheduled for January 8, 2028; a $100.9 million Federal Aviation Administration definitive contract (August 27, 2026) for construction of a 185-foot air traffic control tower and TRACON facility at San Jose Mineta International Airport, completing August 31, 2029; and a $40.1 million National Park Service contract (May 28, 2025) for rehabilitation of the Painted Desert Community Complex at Petrified Forest National Park, Arizona, with completion June 1, 2027. Stronghold also holds a $495 million multiple-award indefinite-delivery contract from the Department of Defense (May 15, 2025) for design-build and design-bid-build construction services in Hawaii, expiring May 14, 2030.
Vehicle positioning centers on Navy and Army multiple-award IDIQs. The top parent vehicles by task-order volume and value include Indefinite Delivery Contract N6871105D4012 (34 task orders, $210.4 million combined potential value), Indefinite Delivery Contract N6871103D1109 (30 task orders, $147 thousand combined potential value), Indefinite Delivery Contract N6871100D9109 (29 task orders), NAVFAC SW Dry Utilities Construction 2010–2015 (16 task orders, $49.3 million combined potential value), and Indefinite Delivery Contract DACA0999D0022 (14 task orders).
SCI-reported invoiced revenue for federal service contracts above the $150,000 threshold totaled $230.8 million across fiscal years 2022–2025 (FY2022: $36.1 million, FY2023: $44.4 million, FY2024: $75.5 million, FY2025: $74.8 million across 95.2 FTEs), reflecting sustained growth through major construction phases. On federal services contracts captured in SCI, government-paid hourly rates span a wide range — median around $356.35 per hour, with senior labor and specialized technical work pricing through $1,651.45 per hour. Across SCI-reportable prime contracts, subcontractors account for approximately 28% of total contractor hours, with 78 named subcontractors engaged across the portfolio. Three awards face ultimate completion within the next twenty-four months, with combined potential value of $334.8 million, creating near-term recompete exposure.
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
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.
How much has Stronghold Engineering Inc. received in federal contracts?
Federal contracts obligated $43,540,301 to Stronghold Engineering Inc. in fiscal year 2025 and $441,860,284 in fiscal years 2023 through 2027.
How does Stronghold Engineering Inc. rank among federal contractors?
Stronghold Engineering Inc. ranked #1 in PSC Y1QA, #10 at the Department of the Interior and #15 in PSC Y1NZ in FY2025.
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 (FAA), 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