| Company | Category | Area | Address | Web | E-mail | Contact person |
| OPERATION SHOESTRING INC | Social Services | Mississippi | PO BOX 11223, JACKSON, Hinds, Mississippi, 39283-1223, USA |
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Robert Langford |
| OPERATIONS TECHNOLOGY INC | Air/water/waste Management | Mississippi | 370 ROSALIE MARIA DR, BILOXI, Harrison, Mississippi, 39531-2906, USA |
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Bob Monett |
| OPHTHALMIC MERIDIAN ASSOC PA | Medical Doctor's Office | Mississippi | 2300 12TH ST, MERIDIAN, Lauderdale, Mississippi, 39301-3933, USA |
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Keith Everett |
| OPHTHALMIC MERIDIAN ASSOC PA | Medical Doctor's Office | Mississippi | 2300 12TH ST, MERIDIAN, Lauderdale, Mississippi, 39301-3933, USA |
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Keith Everett |
| OPIES TRACTOR SERVICES | Business Services | Mississippi | 5819 TILLMAN ST, PASCAGOULA, Jackson, Mississippi, 39581-4038, USA |
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Alvin Sherrell |
| OPIT-MS CORPORATION | Mass Spectrometry Equipment | Mississippi | 101 SEVILLE PL, STARKVILLE, Oktibbeha, Mississippi, 39759-2131, USA |
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David Ermer |
| OPOWELL RENTALS | Equipment Rental/leasing | Mississippi | 3508 S RIVER RDG, BILOXI, Harrison, Mississippi, 39532-8932, USA |
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Regina Hickman |
| OPPORTUNITY CENTER | Elementary School | Mississippi | 1520 TUCKER AVE, PASCAGOULA, Jackson, Mississippi, 39567-5058, USA |
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Steve Simmons |
| OPPORTUNITY UNLIMITED PLACEMEN | Employment Agency | Mississippi | PO BOX 1518, PASCAGOULA, Jackson, Mississippi, 39568-1518, USA |
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M Dubose |
| OPTECH | Sewer Contractors | Mississippi | 13762 WASHINGTON AVE, GULFPORT, Harrison, Mississippi, 39503-4724, USA |
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Teddy Carol |
