American Made Solar Panels: 2018 List of U.S. Manufacturers | EnergySage

Heliene – Mountain Iron, MN (U.S. manufacturing facility)
Itek Energy – Bellingham, WA
Mission Solar – San Antonio, TX
Seraphim – Jackson, MS (U.S. headquarters)
Solaria – Fremont, CA (U.S. headquarters)
SolarTech Universal – Riviera Beach, FL
SolarWorld Americas – Hillsboro, OR
Suniva – Norcross, GA
SunSpark – Riverside, CA
Tesla/Panasonic – Buffalo, NY (U.S. manufacturing facility)

via American Made Solar Panels: 2018 List of U.S. Manufacturers | EnergySage