Top Charleston, SC Greentech Companies (5)

Since 1981, The GEL Group Inc. (GEL) has provided a unique breadth of analytical testing, environmental consulting, civil engineering and geophysical engineering services that meet high standards of quality and accuracy. The GEL Group includes three subsidiary companies and one affiliate company: GEL Laboratories, LLC, GEL Engineering, LLC, GEL Geophysics, LLC and Cape Fear Environmental, LLC.

Royal Energy Resources is a publicly-owned energy recovery corporation focused on purchasing properties from coal, gas and renewables.

Optima Process Systems provides energy solutions for the renewable and fossil fuel industry.

We are a full service, end to end solar company that offers BluePower™ and BluePowerPlus+™ as the most innovative solar financing products.

Southern Current is a renewables & environment company offering solar energy systems and services.