| Aegis Air & Water Filter Systems Inc | 504-626-0026 | 2418 N Causeway Blvd | Mandeville | LA | 70471 |
| Air & Water Filter Store | 504-358-0550 | 2840 Mission Dr | Baton Rouge | LA | 70805 |
| Ajax Plumbing Co | 504-282-4414 | 1450 Mithra St | New Orleans | LA | 70122 |
| American Office Water Specialists | 504-455-4858 | 2701 David Dr | Metairie | LA | 70003 |
| Amway Pducts And Svces Distibuts Amway Water T | 504-767-1727 | Picardy | Baton Rouge | LA | 70810 |
| Aquathin | 504-755-3000 | 733 Woodview Ct | Baton Rouge | LA | 70810 |
| Arrowhead Industrial Water Inc | 504-295-3772 | 5820 Mccann Dr | Baton Rouge | LA | 70809 |
| Ascension Water District No 2 &4 | 504-545-3989 | 368 Bowie St | White Castle | LA | 70788 |
| Assumption Parish Water Dist No 1 | 504-369-6156 | 4633 Highway 1 | Napoleonville | LA | 70390 |
| Baton Rouge Lawn Pro | 504-273-1836 | 12118 Old Hammond Hwy | Baton Rouge | LA | 70816 |
| Baton Rouge Water Company All Other Department | 504-928-1000 | 8755 Goodwood Blvd | Baton Rouge | LA | 70806 |
| Bayou Lafourche Fresh Water Dist | 504-473-7539 | 100 Mississippi | Donaldsonville | LA | 70346 |
| Bayou Liberty Water Assn | 504-643-1216 | 34578 Highway 433 | Slidell | LA | 70460 |
| Bayou Liberty Water Association | 504-643-1249 | 34578 Highway 433 | Slidell | LA | 70460 |
| Berwick Bayou Vista Joint Water Works Com | 504-384-8990 | Cor Hwy 182 & Pattie Dr | Morgan City | LA | 70380 |
| Bogue Lusa Water Works District | 504-732-5691 | 26070 Highway 21 | Varnado | LA | 70426 |
| Brusly Wbr Water Works District No 2 | 504-749-3744 | 150 E Saint Francis St | Brusly | LA | 70719 |
| Buras Water Works | 504-534-2233 | 38903 Hwy 23 | Venice | LA | 70091 |
| Bush Landscape | 504-567-1261 | 10454 Rock Rd | Albany | LA | 70711 |
| C & M Services | 504-755-8343 | 11923 Cloverland Ave | Baton Rouge | LA | 70809 |
| Chapman Jeff Landscape Inc | 504-753-7529 | 9038 Round Oak Dr | Baton Rouge | LA | 70817 |
| Coast Waterworks Inc Lakeside Utilities Divisi | 504-641-7932 | 378 Lakeview Dr | Slidell | LA | 70458 |
| Cross Gates Utility Co | 504-643-1376 | 350 N Military Rd | Slidell | LA | 70461 |
| Culligan Water Conditioning | 504-925-2260 | 7102 Greenwell Springs Rd | Baton Rouge | LA | 70805 |
| Custom Sprinkler Systems Inc | 504-767-8149 | 7725 Lew Hoad Ave | Baton Rouge | LA | 70810 |
| Don Harts Landscape Design Inc | 504-753-3865 | 9163 S Tiger Bend Rd | Baton Rouge | LA | 70817 |
| East Feliciana Rural Water System | 504-683-9698 | 2098 Hwy 957 | Clinton | LA | 70722 |
| East Feliciana Rural Water System For Emergenc | 504-683-3509 | Hwy 10 | Clinton | LA | 70722 |
| East Feliciana Rural Water System Maintenance | 504-683-8487 | 9923 Battle Rd | Clinton | LA | 70722 |
| G T C Chemical Services Inc Business | 504-752-3902 | 6352 Quin Dr | Baton Rouge | LA | 70817 |
| Ganiers Southdown Gardens | 504-879-2115 | 1219 Saint Charles St | Houma | LA | 70360 |
| General Ionics | 504-833-5855 | 701 Papworth Ave | Metairie | LA | 70005 |
| General Ionics Of Baton Rouge | 504-751-4465 | 11931 Industriplex Blvd | Baton Rouge | LA | 70809 |
| Hammond Heights Water Co | 504-345-3284 | 47284 N Cherry | Hammond | LA | 70401 |
| Harvest Time | 504-626-8123 | 4444 Highway 22 | Mandeville | LA | 70471 |
| H-D Water Well Drilling | 504-882-6470 | 59565 Transmitter Rd | Lacombe | LA | 70445 |
| Hunstock Hill Water & Sewer | 504-766-4477 | 1824 Ryder Dr | Baton Rouge | LA | 70808 |
| Hutchison Equipment Systems Inc | 504-687-8200 | 22130 Talbot Dr | Plaquemine | LA | 70764 |
| Hydrochem Industrial Services Inc | 504-652-4242 | 3125 Laplace Ln | La Place | LA | 70068 |
| Intec | 504-923-2892 | 9269 Florida Blvd | Baton Rouge | LA | 70815 |
| Irrigation Plus | 504-664-6054 | 14426 Courtney Rd | Walker | LA | 70785 |
| Keeling Co Office | 504-751-6464 | 12319 Industriplex Blvd | Baton Rouge | LA | 70809 |
| Keeling Company | 504-522-0346 | 311 Holiday Blvd | Covington | LA | 70433 |
| Keeling Company | 504-898-2299 | 311 Holiday Blvd | Covington | LA | 70433 |
| Lee Road Water Corp | 504-893-1580 | 78392 Dutsch Ln | Covington | LA | 70435 |
| Livingston Parish Sewer District #2 | 504-665-6070 | 8437 Lockhart Rd | Denham Springs | LA | 70726 |
| Louisiana Water Company | 504-926-4081 | 8755 Goodwood Blvd | Baton Rouge | LA | 70806 |
| Louisiana Water Service Inc | 504-893-5772 | 201 Holiday Blvd | Covington | LA | 70433 |
| Masters Landscaping | 504-642-9074 | 8635 Manchac Rd | Saint Gabriel | LA | 70776 |
| Mechanical Equipment Co | 504-599-4000 | 861 Carondelet St | New Orleans | LA | 70130 |
| National Safety Associates/N M | 504-831-7161 | 1408 Carrollton Ave | Metairie | LA | 70005 |
| Parish Water Company All Other Departments | 504-928-0001 | 8755 Goodwood Blvd | Baton Rouge | LA | 70806 |
| Peoples Water Service Co Of La Inc | 504-473-7603 | 309 Mississippi St | Donaldsonville | LA | 70346 |
| Polizzi Jade Garrett | 504-649-0310 | 725 S Military Rd | Slidell | LA | 70461 |
| Rainsoft Water Systems | 504-734-0181 | 4619 Jefferson Hwy | Jefferson | LA | 70121 |
| Red Oak Water Company | 504-275-4074 | 10801 Darryl Dr | Baton Rouge | LA | 70815 |
| Resolve Systems Inc | 504-649-3776 | 220 Whisperwood Blvd | Slidell | LA | 70458 |
| Rural Franklinton Water Corp | 504-839-6433 | 304 11th St | Franklinton | LA | 70438 |
| Serck Baker Inc | 504-893-6822 | 18115 Three Rivers Rd | Covington | LA | 70433 |
| Shaklee Bestwater Purifier | 504-392-6402 | 5858 Rhodes Ave | New Orleans | LA | 70131 |
| Southeastern Louisiana Water & Sewer Company I | 504-626-8426 | 350 N Causeway Blvd | Mandeville | LA | 70448 |
| Southern Design & Maintenance Inc | 504-336-1544 | 1649 Virgil St | Baton Rouge | LA | 70808 |
| Starkes Garden Center | 504-872-6393 | 3257 Little Bayou Black Dr | Houma | LA | 70360 |
| Tangipahoa Water District | 504-229-6671 | 19042 Highway 38 | Kentwood | LA | 70444 |
| Tangipahoa Water District | 504-345-6457 | 46463 N Morrison Blvd | Hammond | LA | 70401 |
| Terrebonne Parish Waterworks District Number 1 | 504-448-1576 | 2300 E Main St | Houma | LA | 70363 |
| U S Filter/Leau Claire | 504-882-5704 | 64033 Hwy 434 | Lacombe | LA | 70445 |
| Varnado Water Works District | 504-735-1669 | 26070 Highway 21 | Varnado | LA | 70426 |
| Water Works Dist No 2 Of St Helena Parish | 504-748-4657 | Hwy 1045 | Amite | LA | 70422 |
| Water Works Dist Number 2 Of Iberville Parish | 504-642-8397 | 3385 Highway 30 | Saint Gabriel | LA | 70776 |
| Waterworks District Number 2 Ofc | 504-879-2495 | 2300 E Main St | Houma | LA | 70363 |
| Waterworks Districts After Hous For Emergencie | 504-868-1242 | 2300 E Main St | Houma | LA | 70363 |
| West Baton Rouge Parish Water District No 1 | 504-687-2032 | 7634 1st St | Addis | LA | 70710 |
