Harrison County
Below are utility companies that service the Harrison County area.
| Power | Phone | Television | Internet | Water |
| Coast Electric 14082 Highway 49 P.O. Box 3302 Gulfport, MS 39505-3302 877-769-2372 |
Cableone 786 Dr. Martin Luther King Jr. Blvd. Biloxi MS 39530 228-374-5900 |
Cableone 786 Dr. Martin Luther King Jr. Blvd. Biloxi MS 39530 228-374-5900 |
Cableone 786 Dr. Martin Luther King Jr. Blvd. Biloxi MS 39530 228-374-5900 |
East Central Harrison Co. Public Util.Dist P. O. Box 1510 Gulfport, MS 39502-1510 228-864-2200 |
| Harrison County Development Commission 12281 Intraplex Pkwy Gulfport, MS 39503 228-863-3807 |