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Stronghold Engineering

Stronghold Engineering

Perris, CA
Year Founded: 1991
strongholdengineering.com

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Stronghold Engineering, Inc. (SEI) is an award-winning design and construction firm specializing in renowned projects for some of the nation’s largest organizations. Throughout our 30-year history, we have designed and constructed high profile ground up facilities, technically challenging repair and renovations for historical and non-historical facilities, and significant seismic upgrades, as well as large civil, infrastructure, and electrical projects exceeding $2.5 billion in construction cost.



2022 Top Solar Contractors

2021 STATISTICS

Rank #203

Total Kilowatts Installed 2021: 6,042 Employees: 200
Total Kilowatts Installed Since Founded:41,166 Primary Market: C&I
  Primary Service: EPC

2021 Solar Installations by Company in Specific States and Territories


State / TerritorykW Installed 
California 6,042.0View State
 
Back to 2022 Top Solar Contractor list

 

2020 Top Solar Contractors

2020 STATISTICS

Rank #156

Total Kilowatts Installed 2020: 7,631 Employees: 214
Total Kilowatts Installed Since Founded:41,166 Primary Market: C&I
  Primary Service: EPC

2020 Solar Installations by Company in Specific States and Territories


State / TerritorykW Installed 
California 7,631.0View State
 
Back to 2021 Top Solar Contractor list

 


2017 Top Solar Contractors

2016 STATISTICS

2017 Rank #178

Total Kilowatts Installed 2016: 5,000 Employees: 180
Primary Market: Commercial Primary Service: EPC

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2016 Top Solar Contractors

2015 STATISTICS

2015 Rank #160

Total Megawatts Installed 2015: 4.59 Employees: 185
Primary Market: Commercial Primary Service: EPC

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2015 Top Solar Contractors

2014 STATISTICS

2014 Rank #219

Total Megawatts Installed 2014: 1.755 Employees: 150
Primary Market: Commercial Primary Service: EPC  

Back to 2015 Top Contractor list

 
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      • U.S. manufacturing updates
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      • Latest Feature Stories
      • Contractor’s Corner
      • Trends in Solar
      • The Solar Explorer
  • Policy
    • The Solar Policy Scoop
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    • Residential
    • Commercial
    • Community Solar
    • Utility
  • Products
    • Winners of SPW’s 2024 Top Products
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    • Inverters
      • U.S. solar inverter manufacturers
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      • U.S. solar mounting manufacturers
    • Software
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      • U.S. solar panel manufacturers
  • Resources
    • About SPW
    • Digital Issues
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