The Grant County Development Authority is committed to promoting a vibrant local economy by facilitating the expansion and retention of existing businesses, working to attract new opportunities, and fostering a climate in which businesses can thrive, while preserving the unique qualities that make Grant County a special place to live and work.

The Grant County Development Authority has space available in four industrial parks in the county. Three are located in Petersburg, adjacent to the airport and a rail line terminus of the South Branch Valley Railroad. The other is located in Mt. Storm near the Dominion power station, with direct access to the Corridor H highway.