| A & M Custom Water Softeners | 318-893-5367 | Hwy 696 | Abbeville | LA | 70510 |
| A A A Irrigation Systems | 318-396-1848 | 119 N Ironwood Dr | West Monroe | LA | 71291 |
| A C S Sprinklers & Irrigation | 318-396-6072 | 120 Honeysuckle Dr | West Monroe | LA | 71291 |
| Acadiana Treatment Systems Inc | 318-856-0051 | 207 Rue Napoleon | Youngsville | LA | 70592 |
| Anacoco Water System Inc | 318-239-0785 | 4973 Main St | Leesville | LA | 71446 |
| Ark-La-Tex Irrigation | 318-797-2663 | 1780 E Bert Kouns Industrial Loop | Shreveport | LA | 71105 |
| Automated Agricultural Systems | 318-387-9222 | 3000 Superior Ln | Monroe | LA | 71201 |
| Avoyelles Ward One Water System Inc | 318-253-5584 | Center Point Rd | Marksville | LA | 71351 |
| Bayou Darbonne Lake Watershed District | 318-251-3171 | 308 N Vienna St | Ruston | LA | 71270 |
| Bayou Des Cannes Water System Inc | 318-457-7171 | Hwy 104 | Eunice | LA | 70535 |
| Bayou Teche Water Works Watr | 318-229-6029 | 702 Coteau Holmes Rd | Loreauville | LA | 70552 |
| Beekman Water Systems | 318-281-0057 | 15525 Crossett Rd | Bastrop | LA | 71220 |
| Benton Equipment & Supply | 318-965-0524 | 109 Beaver Ln | Benton | LA | 71006 |
| Bob Community Waterworks Inc | 318-765-9498 | 3976 Walker Ferry Rd | Pollock | LA | 71467 |
| Bonne Idee Water System | 318-647-5148 | 11027 Oak Grove Hwy | Mer Rouge | LA | 71261 |
| Brouilette Water Systems | 318-253-8670 | Hwy 1192 | Marksville | LA | 71351 |
| Bsc Inc Water Care | 318-873-4413 | 531 Denmark Rd | Duson | LA | 70529 |
| Buckeye Water District No 50 I | 318-466-5746 | 654 Highway 1207 | Deville | LA | 71328 |
| Caddo Environmental Solutions | 318-227-9727 | 208 Milam St | Shreveport | LA | 71101 |
| Cadeville Water District | 318-325-3589 | 1840 Highway 3033 | West Monroe | LA | 71292 |
| Catahoula Water System | 318-394-6797 | 4360 Catahoula Hwy | Saint Martinville | LA | 70582 |
| Central Water System Inc | 318-377-7501 | 141 Tillnan Church Rd | Minden | LA | 71058 |
| Cheniere Drew Water System Inc | 318-322-9516 | 409 New Natchitoches Rd | West Monroe | LA | 71292 |
| Clarks Utilities | 318-649-7218 | Hwy 845 | Clarks | LA | 71415 |
| Columbia Heights Water Dist | 318-649-5852 | Colmba Hghts | Columbia | LA | 71418 |
| Consolidated Water Works Number Two | 318-281-2989 | 7125 Pine Grove Loop Rd | Bastrop | LA | 71220 |
| Constance Tommy Plumbing & Irr | 318-640-2106 | 625 Maryhill Rd | Pineville | LA | 71360 |
| Coteau Water System Inc | 318-367-6111 | 4104 Coteau Rd | New Iberia | LA | 70560 |
| Creston Water System | 318-875-3610 | 172 Pardee Rd | Creston | LA | 71070 |
| Crockett Painting & Wet Blasting | 318-477-6750 | 911 Dolby St | Lake Charles | LA | 70605 |
| Culligan Water Conditioning | 318-233-1645 | 708 Eraster Landry Rd | Lafayette | LA | 70502 |
| Culligan Water Conditioning | 318-238-3850 | 201 N 3rd St | Leesville | LA | 71446 |
| D'arbonne Water Systems | 318-285-7407 | Hwy 2 | Bernice | LA | 71222 |
| D'arbonne Water Systems | 318-285-9218 | Hwy 2 | Bernice | LA | 71222 |
| Davis Jeff Water Dustrict No 4 | 318-824-4162 | 4029 Bryan Rd | Jennings | LA | 70546 |
| Delta Water Conditioning Co | 318-428-2241 | 1426 Morgan Rd | Oak Grove | LA | 71263 |
| Dixie Rice Agricultural Corp Inc | 318-774-5125 | Lakeside | Lake Arthur | LA | 70549 |
| Dobbin Steven | 318-687-5336 | 9250 Dean Rd | Shreveport | LA | 71118 |
| Dupuy A J Ofc | 318-949-2272 | Hwy 80 East | Haughton | LA | 71037 |
| East 80 Utilities | 318-949-3429 | 6764 Santa Monica Blvd | Shreveport | LA | 71119 |
| East Carroll Water System Inc | 318-559-2672 | Hwy 65 S | Transylvania | LA | 71286 |
| East Central Vernon Water Syst | 318-238-9009 | 8760 Hwy 8 | Leesville | LA | 71446 |
| East Desoto Water System | 318-872-3397 | 1617 Smithport Lake Rd | Mansfield | LA | 71052 |
| East Side Water System | 318-363-5547 | E Main St | Ville Platte | LA | 70586 |
| Evergreen Irrigation | 318-322-8708 | 1102 Glenmar Ave | Monroe | LA | 71201 |
| Fifth Ward Water System | 318-253-9019 | Hwy 1 | Marksville | LA | 71351 |
| Fleming Brothers Inc | 318-869-3336 | 515 W 61st St | Shreveport | LA | 71106 |
| Forest Water System | 318-428-9058 | 117 Clover | Forest | LA | 71263 |
| Gardner Community Water Associ | 318-793-4568 | 3370 Highway 121 | Boyce | LA | 71409 |
| Goodwill Water System | 318-428-7237 | 5881 Highway 585 | Oak Grove | LA | 71263 |
| Grace Utilities | 318-396-7927 | 102 Monroe Packing Co Rd | West Monroe | LA | 71207 |
| Grass Roots Landscape Co | 318-232-5967 | 124 Beau Pre Rd | Lafayette | LA | 70508 |
| Greater Ouachita Water Co | 318-322-3741 | 409 New Natchitoches Rd | West Monroe | LA | 71292 |
| Greater Ward 1 Water Work District | 318-255-7995 | 241 Haddox Rd | Ruston | LA | 71270 |
| Greenwood Community Water System Inc | 318-938-5341 | 9381 Greenwood Rd | Greenwood | LA | 71033 |
| H 20 Inc Watr Trtmnt | 318-234-8017 | 110 Row One | Lafayette | LA | 70508 |
| Hammett & Sons Water Well & Irrigation Service | 318-728-2019 | 904 Harrison St | Rayville | LA | 71269 |
| Hide Away Rd Sewage District | 318-343-6851 | 200 Balboa Dr | Monroe | LA | 71203 |
| Hi-Tech Water Treatment Inc | 318-741-3423 | 2177 Airline Dr | Bossier City | LA | 71111 |
| Holiday Utilities Inc | 318-234-1475 | 205 W Vermilion St | Lafayette | LA | 70501 |
| Houston River Waterworks Dist Number 11 | 318-528-3446 | 745 W Jim Pickens Rd | Sulphur | LA | 70663 |
| Irrigation Mart Inc | 318-255-1832 | 139 Rain Ln | Ruston | LA | 71270 |
| Irrigation Mart Inc | 318-255-8015 | 3303 Mcdonald Ave | Ruston | LA | 71270 |
| Keatchie Water System | 318-697-5539 | 13728 Highway 5 | Logansport | LA | 71049 |
| Keeling Company | 318-687-9171 | 9262 Linwood Ave | Shreveport | LA | 71106 |
| Kelly Water Dist | 318-649-6844 | 103 9th | Columbia | LA | 71418 |
| Lafayette Parish Waterworks District South | 318-989-9600 | 1123 Ridge Rd | Lafayette | LA | 70503 |
| Lake St John Water Works | 318-757-3853 | 1185 Highway 569 | Ferriday | LA | 71334 |
| Lakeview Water Co | 318-222-4871 | 3205 Lorraine Dr | Shreveport | LA | 71107 |
| Lawtell Water Works District No 1 | 318-543-7635 | Hwy 190 | Lawtell | LA | 70550 |
| Ledoux Joe Ofc | 318-323-3183 | 4315 Sterlington Rd | Monroe | LA | 71203 |
| Lena Water System Inc | 318-793-2296 | 9 Old Hwy 1 | Boyce | LA | 71409 |
| Lewisburg Bellevue Water System Inc | 318-948-3785 | Hwy 357 | Opelousas | LA | 70571 |
| Loe Irrigation | 318-574-1131 | 15-A Crothers Dr | Tallulah | LA | 71282 |
| Louisiana Blasting & Coating | 318-367-5022 | 4218 Coteau Rd | New Iberia | LA | 70560 |
| Louisiana Irrigation & Plumbing Supply Corp | 318-396-7633 | 100 Westridge Dr | West Monroe | LA | 71291 |
| Louisiana Water Co Office | 318-788-1312 | 422 S Avenue H | Crowley | LA | 70526 |
| Louisiana Water Co Office | 318-788-1315 | 422 S Avenue H | Crowley | LA | 70526 |
| Louisiana Water Company After 4:00 Pm Weekdays | 318-365-0002 | 448 E Main St | New Iberia | LA | 70560 |
| Louisiana Water Company Emergency Information | 318-364-3023 | 448 E Main St | New Iberia | LA | 70560 |
| Louisiana Water Company Office | 318-457-1770 | 220 E Laurel Ave | Eunice | LA | 70535 |
| Louisiana Water Company Water Treatment Plant | 318-457-1772 | 220 E Laurel Ave | Eunice | LA | 70535 |
| Lydia Water Corp | 318-367-1867 | 3908 Darnell Rd | New Iberia | LA | 70560 |
| Maitland Water District | 318-389-4362 | Hwy 15 | Sicily Island | LA | 71368 |
| Mamou Road Water System Inc | 318-457-1902 | Hwy 13 | Eunice | LA | 70535 |
| Marksville Water Service | 318-253-9327 | 207 E Bontemps St | Marksville | LA | 71351 |
| Milton Water System | 318-237-8263 | 521 S Buchanan St | Lafayette | LA | 70501 |
| Milton Water System | 318-856-6206 | Hwy 92 | Youngsville | LA | 70592 |
| Morehouse Central Water Co | 318-283-2263 | 6347 Upland Rd | Bastrop | LA | 71220 |
| Morgan Plumbing Co | 318-932-3850 | 1515 Ringgold Ave | Coushatta | LA | 71019 |
| Morrow Water System Inc | 318-346-7481 | Hwy 107 | Morrow | LA | 71356 |
| Moseley Enterprises | 318-742-9652 | 303 Dianne Cir | Bossier City | LA | 71111 |
| Mossville Water Works | 318-882-0585 | 1141 Water Tower St | Westlake | LA | 70669 |
| Music Mountain Spring Water Co | 318-425-4400 | 301 E Herndon St | Shreveport | LA | 71101 |
| Natchitoches Power Plant | 318-357-3880 | 100 Martin Luther King Jr Dr | Natchitoches | LA | 71457 |
| New Carroll Water System | 318-428-3663 | 13214 Highway 17 | Oak Grove | LA | 71263 |
| North Desoto Water Systems Inc | 318-925-2940 | 1330 Hwy 171 | Keithville | LA | 71047 |
| North Franklin Water Wks In | 318-722-3589 | 5316 Hwy 17 | Crowville | LA | 71230 |
| North Of Crowley Water Corp | 318-334-2623 | 108 W Anding St | Rayne | LA | 70578 |
| North Of Crowley Water Plant | 318-788-1987 | 24158 Crowley Eunice Hwy | Crowley | LA | 70526 |
| Oak Grove Maintenance Barn | 318-428-2551 | 400 Lamont | Oak Grove | LA | 71263 |
| Original Water & Air Inc | 318-256-0719 | 704 Elizabeth St | Many | LA | 71449 |
| Peoples Water Service Co Business Ofc | 318-574-3162 | 301 Dabney St | Tallulah | LA | 71282 |
| Peoples Water Service Co Of Bastrop Inc | 318-281-2160 | 217 N Liberty St | Bastrop | LA | 71220 |
| Peoples Water Service Co Treatment Plant | 318-574-2770 | Lillian | Tallulah | LA | 71282 |
| Pinehill Water Works Inc | 318-425-7586 | 4601 N Market St | Shreveport | LA | 71107 |
| Pioneer Darnell Water System Inc | 318-428-3781 | 228 Cherry | Pioneer | LA | 71263 |
| Plaisance Water System Inc | 318-948-6832 | Deprima Ln | Opelousas | LA | 70571 |
| Point Blue Water System | 318-363-5885 | Chataignier Rd | Ville Platte | LA | 70586 |
| Pollock Area Water System Billing Office | 318-765-3829 | 8441 Highway 165 | Pollock | LA | 71467 |
| Prairie Road Water District | 318-322-8706 | 111 Colette Dr | Monroe | LA | 71202 |
| Prairie Ronde Water Systems | 318-543-6938 | 11000 Hwy 104 W | Lawtell | LA | 70550 |
| Rain Soft | 318-222-0000 | 1535 Market St | Shreveport | LA | 71101 |
| Rainwater Aylmer Sprnklrs | 318-255-8916 | 2304 Lily Dr | Ruston | LA | 71270 |
| Rapides Island Water Association Inc | 318-793-4812 | 410 Ulster Ave | Boyce | LA | 71409 |
| Reddell Vidrine Water District La | 318-363-7223 | Hwy 10 | Ville Platte | LA | 70586 |
| Redhill Water Works | 318-827-5190 | 3774 Highway 500 | Georgetown | LA | 71432 |
| Renner Irrigation | 318-435-7577 | 2615 Loop Rd | Winnsboro | LA | 71295 |
| Ridgecrest Water Dept | 318-757-2134 | 302 Vidalia Dr | Ferriday | LA | 71334 |
| Ruston Utilities Director | 318-251-8673 | 1801 Mcdonald Ave | Ruston | LA | 71270 |
| Ryans Nursery & Landscape | 318-688-7290 | 8222 Mansfield Rd | Shreveport | LA | 71108 |
| Sabine Parish Water Dist Number 1 | 318-256-6489 | Lewing Town Rd | Many | LA | 71449 |
| Sandy Lake Water System The | 318-339-7380 | Lake Lilly Rd | Jonesville | LA | 71343 |
| Savoy-Swords Water System Inc | 318-546-6812 | Hwy 190 | Eunice | LA | 70535 |
| Scientific Water System Inc | 318-233-2108 | 130 Avalon St | Lafayette | LA | 70508 |
| Scott Irrigation Of Delhi | 318-878-2467 | 505 S 1st St | Delhi | LA | 71232 |
| Singer Water Works | 318-462-6805 | Hwy 27 | Singer | LA | 70660 |
| South Bossie Water System | 318-987-0252 | 149 Cryers Cir | Haughton | LA | 71037 |
| South Grant Water Corp | 318-899-5726 | 107 Rock Hill Rd | Colfax | LA | 71423 |
| South Merryville Water System | 318-825-8861 | 3189 Highway 389 | Merryville | LA | 70653 |
| South Oakdale Water System | 318-335-4165 | 176 Topping Rd | Oakdale | LA | 71463 |
| South Rayne Water Corp | 318-334-4325 | 708 The Blvd | Rayne | LA | 70578 |
| Southwest Ouachita Waterworks Inc | 318-325-3371 | 1840 Highway 3033 | West Monroe | LA | 71292 |
| Sprink-A-Lawn | 318-397-1324 | 501 Northwood Dr | West Monroe | LA | 71291 |
| St Mary Water Works | 318-367-3896 | 129 W Pershing St | New Iberia | LA | 70560 |
| Start Water System Inc | 318-728-5145 | 16 Owl Loop | Rayville | LA | 71269 |
| Tensas Water Distribution | 318-766-3285 | Hwy 65 | Saint Joseph | LA | 71366 |
| Town & Country Service Co Inc | 318-325-5493 | 4315 Sterlington Rd | Monroe | LA | 71203 |
| Treyco Water Systems | 318-640-1045 | 700 Mercer Dr | Pineville | LA | 71360 |
| United Walter System Inc | 318-754-5951 | 1004 Twin Oaks Dr | Arnaudville | LA | 70512 |
| Vermilion Water Softeners | 318-898-1626 | 622 Breaux Ave | Abbeville | LA | 70510 |
| Village Water System | 318-949-0223 | 4592 Highway 80 | Haughton | LA | 71037 |
| Walnut Bayou Water Assn Inc | 318-574-2463 | Hwy 602 | Tallulah | LA | 71282 |
| Ward Three Water System | 318-281-9600 | 7411 Old Monroe Rd | Bastrop | LA | 71220 |
| Wards Three Avoyelles Water Works Dist | 318-253-8715 | 1106 Cocoville Rd | Marksville | LA | 71351 |
| Water District No 5 | 318-439-5286 | 300 Deshotel St | Lake Charles | LA | 70615 |
| Water District No 5 Fax Line | 318-491-9855 | 300 Deshotel St | Lake Charles | LA | 70615 |
| Water District Ward Four | 318-537-1318 | 814 Pitkin Rd | Leesville | LA | 71446 |
| Water Works Dist 1 Of Ward 1 Of Calcasieu Pari | 318-855-7250 | 166 School Rd | Moss Bluff | LA | 70611 |
| Water Works Dist 4 Of Ware 4 Calcasieu Parish | 318-433-8353 | 2515 Westwood Rd | Westlake | LA | 70669 |
| Water Works District No 7 | 318-276-3668 | 1572 Cypremort Rd | Jeanerette | LA | 70544 |
| Waterworks Distric No 2 | 318-352-9601 | 1665 Hwy 119 | Natchitoches | LA | 71457 |
| Waterworks District No 2 | 318-357-0456 | 1665 Hwy 199 | Natchitoches | LA | 71457 |
| Waterworks District No 2 | 318-379-2374 | 1665 Hwy 119 | Natchitoches | LA | 71457 |
| Waterworks District One | 318-368-2371 | Spillway Rd | Farmerville | LA | 71241 |
| West Grant Water Association | 318-646-2539 | 123 Hwy 1240 | Verda | LA | 71481 |
| West Winn Water System Inc | 318-727-9278 | 153 Collins Camp Rd | Calvin | LA | 71410 |
| West Winnsboro Water System Inc | 318-435-2295 | 141 Tatum Rd | Winnsboro | LA | 71295 |
| Western Utilities Inc | 318-324-0819 | 1840 Highway 3033 | West Monroe | LA | 71292 |
| Wiggins Water Well Service | 318-435-7092 | 396 Ogden Cemetery Loop | Winnsboro | LA | 71295 |
| Williamson D W | 318-435-6788 | 2030 New Zion Rd | Winnsboro | LA | 71295 |
| Williamson Larry Dean | 318-435-3239 | 330 Mccaleb Rd | Winnsboro | LA | 71295 |
| Williamson R D | 318-435-9075 | 2674 Highway 15 | Winnsboro | LA | 71295 |
| Youngsville Water Plant | 318-856-0986 | 305 Iberia St | Youngsville | LA | 70592 |
| Zone Two Water System | 318-627-5867 | 11343 Highway 71 | Colfax | LA | 71417 |
