List of notable companies manufacturing copper indium gallium selenide solar cells (CIGS):
- Ascent Solar Technologies
- Avancis (former subsidiary of Saint Gobain)
- Miasolé[1]
- Midsummer AB[2] (Swedish manufacturer of CIGS solar modules and sputtering equipment for thin-film solar cells)
- Sunflare[3]
- Sunplugged [4]
- Solar Cloth [5]
Former companies or companies that no longer produce CIGS modules: