| Company | Category | Area | Address | Web | E-mail | Contact person |
| HARRISON CNTY COURT REPORTERS | County Government-Courts | Mississippi | 730 WASHINGTON LOOP, BILOXI, Harrison, Mississippi, 39530-3854, USA |
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| HARRISON CNTY FAIRGROUNDS OFF | Regulation Agricultural Market | Mississippi | 15321 COUNTY FARM RD, GULFPORT, Harrison, Mississippi, 39503-8220, USA |
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Mike McMillan |
| HARRISON CNTY HUMAN RESOURCES | Government Offices-County | Mississippi | 842 COMMERCE ST, GULFPORT, Harrison, Mississippi, 39507-3321, USA |
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Mary Cavanaugh |
| HARRISON CNTY JSTICE CRT/BLOXI | State Court System | Mississippi | PO BOX 1141, BILOXI, Harrison, Mississippi, 39533-1141, USA |
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Greg Illidge |
| HARRISON CNTY JUSTICE CT JUDGE | County Government-Courts | Mississippi | 1620 23RD AVE, GULFPORT, Harrison, Mississippi, 39501-2959, USA |
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| HARRISON CNTY LONG BCH WRK CTR | Government Offices-County | Mississippi | 605 N SEAL AVE, LONG BEACH, Harrison, Mississippi, 39560-4025, USA |
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Chipper Mc Dermott |
| HARRISON CNTY OUTSIDE BLDGS | Government Offices-County | Mississippi | 10076 LORRAINE RD, GULFPORT, Harrison, Mississippi, 39503-6002, USA |
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Mike Wilson |
| HARRISON CNTY POE FDERAL CR UN | Federal Credit Union | Mississippi | PO BOX 8536, BILOXI, Harrison, Mississippi, 39535-8536, USA |
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Ernest Hartman |
| HARRISON CNTY PROSECUTING ATTY | County Government-Legal Counse | Mississippi | 1620 23RD AVE, GULFPORT, Harrison, Mississippi, 39501-2959, USA |
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Robert Payne |
| HARRISON CO SKATE PARK | Amusement/recreation Services | Mississippi | 269 DEBUYS RD, GULFPORT, Harrison, Mississippi, 39507-2800, USA |
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Jo Knippers |
