| A W Research Laboratories | 218-829-7974 | 711 Laurel St | Brainerd | MN | 56401 |
| A W Research Laboratories | 218-846-1858 | 119 Pioneer St | Detroit Lakes | MN | 56501 |
| Aquacare | 218-828-2118 | 4644 Highway 371 N | Brainerd | MN | 56401 |
| Arrowhead Bottled Water Service | 218-722-7432 | Lumberjack Mall | Cloquet | MN | 55720 |
| Benes Well Drilling Inc | 218-326-5859 | 2214 Norway St | Grand Rapids | MN | 55744 |
| Buhl Water Company | 218-258-3258 | 400 Pennsylvania Ave | Buhl | MN | 55713 |
| Crookston Water Dept Office | 218-281-5711 | 124 N Broadway | Crookston | MN | 56716 |
| Crookston Water Dept Plant | 218-281-1922 | 523 Fairfax | Crookston | MN | 56716 |
| Culligan Bottle Water Service | 218-389-3202 | 715 Front St | Barnum | MN | 55707 |
| Culligan Water Conditioning | 218-685-4040 | 40 Central Ave S | Elbow Lake | MN | 56531 |
| Culligan Water Conditioning | 218-945-6119 | 215 Elm St SE | Fertile | MN | 56540 |
| Earth Burners Inc | 218-628-0454 | PO Box 16083 | Duluth | MN | 55816 |
| Ecowater Systems | 218-233-8655 | 1324 1st Ave N | Moorhead | MN | 56560 |
| Fideldy Drilling Watr Well Drlng | 218-245-1240 | 247 Spruce Dr | Bovey | MN | 55709 |
| Frosty Ice Co | 218-354-2135 | 402 Front St | Barnesville | MN | 56514 |
| Halstad Municipal Utilities | 218-456-2128 | 405 2nd Ave | Halstad | MN | 56548 |
| Itasca Beverage Co Inc | 218-326-2428 | 214 SE 10th St | Grand Rapids | MN | 55744 |
| John Deere Lawn & Garden Equipment | 218-346-7246 | Co Rd 80 | Perham | MN | 56573 |
| Kittson County Courthouse County Sheriff | 218-843-3535 | 410 S 5 St | Hallock | MN | 56728 |
| Kittson-Marshall Water Users | 218-466-2835 | PO Box 210 | Donaldson | MN | 56720 |
| Michaud Distributing Inc | 218-722-0010 | 2923 Helm St | Duluth | MN | 55806 |
| Michaud Distributing Inc | 218-879-3665 | 1307 Avenue B | Cloquet | MN | 55720 |
| North Kittson Rural Water | 218-754-6161 | PO Box 99 | Lake Bronson | MN | 56734 |
| Northeast Technical Services Inc | 218-727-9356 | 4850 Miller Trunk Hwy | Hermantown | MN | 55811 |
| O Si Environmental Inc | 218-727-2290 | 325 S Lake Ave | Duluth | MN | 55802 |
| Pm Services(Pms) | 218-773-8456 | RR 1 Box 137 | East Grand Forks | MN | 56721 |
| Power Plant | 218-354-2354 | 103 2nd Ave | Barnesville | MN | 56514 |
| Robertson Well Drilling Inc | 218-747-2039 | Hwy 78 S | Ashby | MN | 56309 |
| Safety-Kleen Corp | 218-879-2164 | 1302 18th St | Cloquet | MN | 55720 |
| Sanford Irrigation | 218-685-4344 | 444 2nd St NE | Elbow Lake | MN | 56531 |
