Founded in 2013, SunTegra developed low-profile solar shingles that integrate directly with standard composition roofing, giving homes a more roof-like alternative to conventional rack-mounted panels. The company later expanded into designing, installing and supporting complete solar roofing and energy-storage systems in the Northeast, though its manufacturing operation shut down in 2025 amid tariff-related financial distress; SunTegra Energy remains available to support existing products.
Scalo SolarFamily-owned Scalo Companies, founded in Pittsburgh in 1956, is the heritage behind Scalo Solar, a company launched in 2010. Based in Pittsburgh with a central Ohio office, Scalo Solar is known for bringing decades of roofing experience to solar installations, with Mill 19’s landmark Pittsburgh project among its signature work.PITTSBURGH, PA
Teko SolarEstablished in 2010, Teko Solar grew from solar-system integration and power-plant development into a manufacturer of solar modules and storage batteries. Its manufacturing base is in China, supported by offices in New York, Auckland and Shanghai and a California warehouse that helps it respond to immediate demand. The company also develops integrated solar-storage-charging systems for commercial and retail users.NEW YORK, NY
Foster Systems, LLCFoster Systems, LLC made electronic control boards for the astronomy community before closing its doors in 2022 after 14 years in operation. The company said worldwide shortages of critical parts made it impossible to continue manufacturing boards to its quality standards.AKRON, OH
Rocking SolarRocking Solar is a commercial-rooftop solar company whose team brings more than 20 years of experience in developing products for the built environment. It is known for adapting single-axis tracking to low-slope roofs, where its low-profile design can improve energy production without requiring roof penetrations. The company’s work has been recognized as an American-Made Solar Prize finalist and through a GSA field installation.MONROE, OH