| Ag Sales Agricultural Irrigation | 406-721-2640 | 4355 US Highway 10 W | Missoula | MT | 59802 |
| Ag Supply | 406-683-4700 | 913 N Montana St | Dillon | MT | 59725 |
| Alpine Nursery Inc | 406-752-0732 | 1095 Trumble Creek Rd | Kalispell | MT | 59901 |
| Amatec | 406-248-2159 | 1537 Avenue D | Billings | MT | 59102 |
| Anaconda Water Dept Haefner Pump Station | 406-563-8130 | W Of Anaconda | Anaconda | MT | 59711 |
| Anaconda-Deer Lodge County Water Dept | 406-563-7111 | 50 Main St | Anaconda | MT | 59711 |
| Aqua Pure-Pure Flo Inc | 406-259-8876 | 501 Hansen Ln | Billings | MT | 59105 |
| Aquatech Inc | 406-388-3315 | 210 Arden Dr | Belgrade | MT | 59714 |
| Axmen | 406-728-7020 | Hwy 10 W | Missoula | MT | 59806 |
| Belgrade Irrigation Repair | 406-388-4315 | 5729 Kessler Ln | Belgrade | MT | 59714 |
| Belgrade Irrigation Rpr | 406-388-0191 | 5729 Kessler Ln | Belgrade | MT | 59714 |
| Big Sky Irrigation Inc | 406-252-8175 | 523 Roxy Ln | Billings | MT | 59105 |
| Big Spring Bottled Water Of Billings | 406-252-4230 | 706 Daniels St | Billings | MT | 59101 |
| Big Spring Water | 406-538-3433 | 201 1st Ave N | Lewistown | MT | 59457 |
| Big Spring Water Co | 406-587-8182 | 1925 Dead Mans | Bozeman | MT | 59717 |
| Billings Bench Water Assn | 406-259-6241 | 706 Main St | Billings | MT | 59105 |
| Billings Heights Water District | 406-252-0539 | 618 Radford Sq | Billings | MT | 59105 |
| Billings Pipe & Pump Supply Co | 406-245-6139 | 2424 Minnesota Ave | Billings | MT | 59101 |
| Bitter Root Irrigation Dist | 406-961-1182 | 1182 Lazy J Ln | Corvallis | MT | 59828 |
| Blackford Sprinklers | 406-248-5512 | 301 Jackson St | Billings | MT | 59101 |
| Buffalo Rapids Project Board Of Control Office | 406-637-5586 | E Of Terry | Terry | MT | 59349 |
| Buffalo Rapids Project Board Of Control Shop | 406-637-5405 | E Of Terry | Terry | MT | 59349 |
| Bureau Of Reclamation Or Dial | 406-683-2307 | 1100 Mt Highway 41 | Dillon | MT | 59725 |
| Butte-Silver Bow Government Public Works Dept | 406-782-2311 | 124 W Granite St | Butte | MT | 59701 |
| Butte-Silver Bow Government Public Works Dept | 406-782-9021 | 124 W Granite St | Butte | MT | 59701 |
| Carbon Hill Enterprises | 406-232-1550 | 721 Knight St | Miles City | MT | 59301 |
| Circle H Irrigation | 406-961-4491 | 1340 Eastside Hwy | Corvallis | MT | 59828 |
| Clarks Fork Water Works | 406-662-3505 | S Of Bridger | Bridger | MT | 59014 |
| Crisafulli Srs Inc | 406-365-3392 | W Of Glendive | Glendive | MT | 59330 |
| Crisp Water Testing & Treatment | 406-549-8868 | 4605 Sunnyside Ct | Missoula | MT | 59802 |
| Culligan Water Conditioning | 406-482-3735 | 1521 S Central Ave | Sidney | MT | 59270 |
| Diamond Sprinkler Systems | 406-892-1500 | PO Box 989 | Columbia Falls | MT | 59912 |
| Evergreen Water District | 406-257-5861 | 130 Nicholson Dr | Kalispell | MT | 59901 |
| Farmers Insurance Group | 406-822-4291 | 100 N River | Superior | MT | 59872 |
| Fisher Water Service | 406-252-5264 | 5518 Holiday Ave | Billings | MT | 59101 |
| Flathead Agency Pumping Plant | 406-883-5096 | 1700 Kerr Dam Rd | Polson | MT | 59860 |
| Flathead Utility Co | 406-755-5392 | 2191-3rd Av E | Kalispell | MT | 59903 |
| Fort Belknap Utilities | 406-353-2801 | Fort Belknap | Harlem | MT | 59526 |
| Genco | 406-245-0626 | 1639 Lockwood Rd | Billings | MT | 59101 |
| Giant Springs Natural Spring Water | 406-761-6675 | 5401 18 Av N | Great Falls | MT | 59404 |
| Gilfeather Thom Repair Shop | 406-259-4417 | 1004-1/2 U S Hwy 10 | Billings | MT | 59105 |
| Glasgow Irrigation District | 406-228-2346 | 10 Fairgrounds | Glasgow | MT | 59230 |
| Gore Hill County Water District | 406-761-6528 | S W Of Great Falls | Great Falls | MT | 59401 |
| Hall Ronald L | 406-454-2963 | 3348 13th Ave S | Great Falls | MT | 59405 |
| Helena Valley Irrigation District | 406-442-3292 | 3840 N Montana Ave | Helena | MT | 59601 |
| Helena's Own Bottled Water | 406-442-0211 | 3109 Bozeman Ave | Helena | MT | 59601 |
| Herrin Water Systems | 406-442-1225 | 76 Dunbar Ave | Helena | MT | 59601 |
| Holt Repair | 406-683-4551 | 2100 Lovers Leap Rd | Dillon | MT | 59725 |
| Intermountain Irrigation Inc Sales | 406-683-6571 | 350 N Interchange | Dillon | MT | 59725 |
| Intermountain Irrigation Services Service | 406-683-5891 | 350 N Interchange | Dillon | MT | 59725 |
| Irrigation Equipment Sales Inc | 406-741-5711 | Hwy 28 NE | Hot Springs | MT | 59845 |
| Irrigation Parts House | 406-266-3712 | 515 S Front St | Townsend | MT | 59644 |
| Kohler Sprinkler Systems | 406-258-6547 | 245 Hellgate Dr | Missoula | MT | 59802 |
| Lawn Rain | 406-388-6445 | 11 E Main St | Belgrade | MT | 59714 |
| Lower Yellowstone Project Office | 406-482-1306 | S Of Sidney | Sidney | MT | 59270 |
| Malta Irrigation District | 406-654-1440 | 509 S 3 E | Malta | MT | 59538 |
| Missoula Water Works | 406-543-7484 | 7700 Pinehill Ct | Missoula | MT | 59802 |
| M-K Lawn Sprinkling | 406-862-2183 | 89 Wagon Wheel Rd | Whitefish | MT | 59937 |
| Montana Environmental Laboratory Co | 406-582-1886 | 920 Technology Blvd | Bozeman | MT | 59715 |
| Montana Pipe & Supply | 406-676-3811 | 521 Round Butte Rd W | Ronan | MT | 59864 |
| Mountain Springs | 406-248-8285 | 833 Lake Elmo Dr | Billings | MT | 59105 |
| Mountain Water Co | 406-721-5570 | 1345 W Broadway St | Missoula | MT | 59802 |
| Nardinger Irrigation | 406-761-8195 | 820 20th St N | Great Falls | MT | 59401 |
| Ochsner Equipment Sales | 406-232-2724 | S Of Miles City | Miles City | MT | 59301 |
| Orvis Irrigation Service | 406-857-3377 | 785 Mt Highway 82 | Somers | MT | 59932 |
| Paradise Valley Spring Water | 406-222-3800 | 105 N 2nd St | Livingston | MT | 59047 |
| Pehl Implement Inc | 406-287-3741 | 501 E Legion Rd | Whitehall | MT | 59759 |
| Peterson Irrigation | 406-288-3610 | 156 Lower Willow Creek Rd | Hall | MT | 59837 |
| Pondera Canal & Reservoir Co Office | 406-279-3315 | 521 Ponoka Ave | Valier | MT | 59486 |
| Prairie Water Co | 406-727-7881 | 2901 7th Ave N | Great Falls | MT | 59401 |
| Quality Landscaping | 406-837-3343 | PO Box 155 | Bigfork | MT | 59911 |
| Quality Landscaping Nursery & Lawn Care | 406-721-5296 | 206 S Davis St | Missoula | MT | 59801 |
| Quality Water Systems Inc | 406-388-5020 | 6300 Jackrabbit Ln | Belgrade | MT | 59714 |
| Rain Wizard Lawn Sprinkler Systems | 406-761-8653 | 3208 4th Ave NW | Great Falls | MT | 59404 |
| Rainbow Irrigation | 406-357-2211 | Hwy 2 | Chinook | MT | 59523 |
| Rainjet Of Montana | 406-721-2148 | 8120 Double Tree Ln | Missoula | MT | 59801 |
| Rainmaker Lawn Sprinkler Systems | 406-543-6707 | 2440 Mcdonald Ave | Missoula | MT | 59801 |
| Reliable Water Service | 406-259-1862 | 15 Orchard Ln | Billings | MT | 59101 |
| Safewater Testing Simplified (Sts) | 406-752-8363 | 218 Lake Shore Dr | Kalispell | MT | 59901 |
| Safewater Testing Simplified (Sts) | 406-881-4141 | 218 Lake Shore Dr | Kalispell | MT | 59901 |
| Sandberg Irrigation | 406-232-1302 | 501 Main St | Miles City | MT | 59301 |
| Saurer's Pump Service | 406-543-3654 | 1439 Howell St | Missoula | MT | 59802 |
| Schmalz Inc | 406-245-6821 | 1639 Lockwood Rd | Billings | MT | 59101 |
| Scott Owen Sprinkler | 406-543-6024 | 2575 Industry Rd | Missoula | MT | 59802 |
| Siems & Walborn Pc | 406-628-6645 | 109 W Main St | Laurel | MT | 59044 |
| Tiber County Water District | 406-278-5682 | E Of Conrad | Conrad | MT | 59425 |
| Triangle Irrigation Co | 406-727-3132 | 815 12th St | Great Falls | MT | 59401 |
| Turftech Inc | 406-388-6355 | 210 Arden Dr | Belgrade | MT | 59714 |
| Twin Peaks Irrigation | 406-293-8656 | 1531 Warland Creek Rd | Libby | MT | 59923 |
| Two Leggin Water Users Assn | 406-665-2580 | N Of Hardin | Hardin | MT | 59034 |
| Valley Irrigation | 406-363-3599 | 1029 Sleeping Child Rd | Hamilton | MT | 59840 |
| Valley Sprinkler & Pump Co | 406-388-4128 | 71 Andrea Dr | Belgrade | MT | 59714 |
| Van Dyken Welding & Repair | 406-388-1708 | 5150 Thorpe Rd | Belgrade | MT | 59714 |
| Vandyke Irrigation Service Inc | 406-586-0551 | 5651 Love Ln | Bozeman | MT | 59715 |
| Water Rights Inc | 406-251-6100 | 4555 Kaniksu Ct | Missoula | MT | 59803 |
| Western Utilities Supply Co | 406-728-7336 | 3625 Grant Creek Rd | Missoula | MT | 59802 |
| Williamson Fencing & Sprinklers | 406-761-1265 | 1325 Central Ave W | Great Falls | MT | 59404 |
| Yeager James & Evelyn | 406-278-3348 | N Of Conrad | Conrad | MT | 59425 |
| Yellowstone Natural Spring Water | 406-646-9029 | 27 Geyser | West Yellowstone | MT | 59758 |
