RSG Environmental / Virginia Radon Systems - Roanoke, Virginia

Spangler Specialty Services - Roanoke, Virginia

BCubed Consulting, Inc. - Cave Spring, Virginia

Advanced Racking & Solar - Troutville, Virginia

Roanoke Gas Co - Roanoke, Virginia

Richardson-Wayland Electrical Company - Roanoke, Virginia

Clean Valley Environmental - Roanoke, Virginia

Solutions Solar and Roofing - Roanoke, Virginia

Hurricane Wind Power - Salem, Virginia

TMEIC Corporation Americas Roanoke - Roanoke, Virginia