Greenwood, S.C. – September 14, 2026 -- ES Foundry has secured ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018 certifications for its Greenwood, South Carolina facility, passing an integrated audit with zero major and zero minor nonconformities. The certifications follow the company's recent 2 GW expansion, which pushed the plant's annual solar cell manufacturing capacity to 3 GW.