| Company | Category | Area | Address | Web | E-mail | Contact person |
| PLAQUEMINES PARISH WELFARE OFC | County Government-Social/Human | Louisiana | 9567 HIGHWAY 23, BELLE CHASSE, Plaquemines, Louisiana, 70037-1757, USA |
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| PLAQUEMINES SOIL & WATER | Soil & Water Conservation | Louisiana | 499 F EDWARD HEBERT BLVD, BELLE CHASSE, Plaquemines, Louisiana, 70037-3018, USA |
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Larry Rousselle |
| PLAQUEMINES WATCHMAN & GAZETTE | Newspapers (Publishers) | Louisiana | 7962 HIGHWAY 23, BELLE CHASSE, Plaquemines, Louisiana, 70037-2432, USA |
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Dale Benoit |
| PLAQUIMINE TRUCK STOP & TRAVEL | Truck-Dealers | Louisiana | 25394 HIGHWAY 1, PLAQUEMINE, Iberville, Louisiana, 70764-4446, USA |
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Jerry Parson |
