Key Industries and Companies
A supportive business community exists in Berkeley County, with both large corporations and smaller family-owned businesses.
Berkeley County is home to a number of businesses in the aviation, printing, manufacturing, transportation, healthcare and military operations industries. What follows is a list of some of the major companies nad organizations in Berkeley County.
| Aker by Maax | Allegheny Power |
| Berkeley County Government | Berkeley County Schools |
| Brentwood Industries, Inc. | Bureau of Alcohol, Tobacco & Firearms |
| City Hospital, Inc. | Code Plus Components |
| Continental Brick, Inc. | DSI/Fasloc, Inc. |
| East Ridge Health Systems | Ecolab, Inc. |
| Enterprise Computing Center | Essroc |
| FedEx Smartpost | General Motors Corp. |
| Guardian Fiberglass, Inc. | HMS Technologies, Inc. |
| Hospice of the Panhandle, Inc. | |
| Idearc Distribution Center | ITW Sexton Can Company, Inc. |
| Martinsburg City Government | The Journal |
| Orgill, Inc. | PlyGemVariform, Inc. |
| Quad/Graphics Baker Road | Quad/Graphics, Inc |
| Regional Education Service Agency VIII | Royce Too, LLC |
| The Library Corporation | U.S. Coast Guard National Vessel Documentation Center |
| U.S. Coast Guard National Maritime Center | U.S. Coast Guard Operations System Center |
| Veterans Administration Center | West Virginia Air National Guard |