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Fosler Construction Co.

Fosler Construction Co.

Freeport, IL
Year Founded: 1998
foslerconstruction.com
Total Kilowatts Installed Since Founded: 45,000

Our dedication to safety, quality of work, and drive for customer satisfaction has earned Fosler Construction its reputation as one of the best commercial contractors in the state and industry.

2021
Rank #72  ·  2021 List  ·  2020 Installation Data
C&I · EPC
39,955
2020 Installation Data
View 2020 Installation Data by State
Illinois 39,955
View 2021 contractor list →
2020
Rank #154  ·  2020 List  ·  2019 Installation Data
Commercial · EPC
5,820
2019 Installation Data
View 2019 Installation Data by State
Illinois 5,820
View 2020 contractor list →
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  • Home
  • Top Solar Contractors
  • Articles
    • Most Recent Posts
    • News
      • Latest News Items
      • SPW State News Hub
      • IRA/OBBBA coverage
      • Solar tariffs
      • U.S. manufacturing updates
    • Featured
      • Latest Feature Stories
      • Benchmarking U.S. Solar Manufacturing
      • SPW’s Rising Stars
      • Trends in Solar
      • The Solar Explorer
  • Policy
    • Latest policy headlines
    • IRA/OBBBA Coverage
    • Tariffs and Court Cases
  • Markets
    • Residential
    • Commercial
    • Community Solar
    • Utility
    • Storage
  • Products
    • 2026 Top Products application
    • Winners of SPW’s 2025 Top Products
    • Batteries and Storage
    • Electric Vehicle (EV)
    • Inverters
      • U.S. solar inverter manufacturers
    • Racking and Mounting
      • U.S. solar mounting manufacturers
    • Software
    • Solar Panels
      • U.S. solar panel manufacturers
  • Resources
    • About SPW
    • Digital Issues
    • Event Coverage
    • Podcasts
    • Product Manufacturing Locations
      • U.S. solar inverter manufacturers
      • U.S. solar mounting manufacturers
      • U.S. solar panel manufacturers
    • Solar Classrooms
    • Suppliers
    • Videos
    • Views
    • Voices
    • Webinars / Digital Events
    • Whitepapers
  • 2026 Leadership
    • 2025 Winners
    • 2024 Winners
    • 2023 Winners
    • 2022 Winners
  • Advertise
  • Subscribe