| Affordable Filtration Systems | 847-741-4560 | 750 Bluff City Blvd | Elgin | IL | 60120 |
| Air Diffusion Systems John Hinde Co | 847-615-0044 | 28846 Nagel Ct | Lake Bluff | IL | 60044 |
| Barrington Soft Water | 847-359-1000 | 645 N 1st Bank Dr | Palatine | IL | 60067 |
| Bennett Donald C Jr | 847-251-3387 | 616 Roger Ave | Kenilworth | IL | 60043 |
| Best Water Treatment Co Inc | 847-304-0088 | 2023 Rt 176 | Crystal Lake | IL | 60012 |
| Boysen Henry Co | 847-362-7700 | 20 W North St | Grayslake | IL | 60030 |
| Calco Ltd | 847-296-6615 | 7011 Barry Ave | Rosemont | IL | 60018 |
| Camelot Utilites Inc | 847-498-6440 | 2335 Sanders Rd | Northbrook | IL | 60062 |
| Central Irrigation Systems | 847-298-2011 | 1692 S River Rd | Des Plaines | IL | 60018 |
| Century Rain Aid | 847-541-0300 | 636 Wheeling Rd | Wheeling | IL | 60090 |
| Charger Water Treatment | 847-967-9558 | 8150 Lehigh Ave | Morton Grove | IL | 60053 |
| Culligan Water Conditioning Inc | 847-459-1550 | 270 W Palatine Rd | Wheeling | IL | 60090 |
| Dennis Richard & Joycelyn | 847-714-0708 | 105 Revere Dr | Northbrook | IL | 60062 |
| Dobrunz Ronald C | 847-359-9189 | 1111 N King Charles Ct | Palatine | IL | 60067 |
| Eckert Jason Assocs | 847-413-1609 | 1701 E Woodfield Rd | Schaumburg | IL | 60173 |
| Ecowater Store | 847-487-1480 | 1713 E Kensington Rd | Mount Prospect | IL | 60056 |
| Efflandt Well Drilling Inc | 847-358-5844 | 1373 W Dundee Rd | Palatine | IL | 60067 |
| Elgin Water Conditioners Inc | 847-741-8777 | 1640 N La Fox St | South Elgin | IL | 60177 |
| Fox River Irrigation Consultants Inc | 847-695-6407 | 100 E Chgo | Elgin | IL | 60121 |
| Fugro Midwest Inc | 847-724-7469 | 2441 Glenview Rd | Glenview | IL | 60025 |
| Geroulis Water Treatment | 847-995-1848 | 1701 E Woodfield Rd | Schaumburg | IL | 60173 |
| Goynshor Robt Co | 847-869-8885 | 2530 Crawford Ave | Evanston | IL | 60201 |
| Groundwater Technology Inc | 847-882-8290 | 2401 Hassell Rd | Hoffman Estates | IL | 60195 |
| Hardt Bill | 847-428-8200 | 234 Park Ave | Carpentersville | IL | 60110 |
| Hough Donald D Plumbing | 847-746-5164 | 2817 9th St | Winthrop Harbor | IL | 60096 |
| Island Lake Water Co | 847-526-7204 | 220 Southern Ter | Island Lake | IL | 60042 |
| J M Irrigation | 847-546-0165 | 25850 W Highway 60 | Grayslake | IL | 60030 |
| Jnc Company | 847-559-0087 | 801 Skokie Blvd | Northbrook | IL | 60062 |
| Lake County Public Water Dist | 847-746-2052 | 500 17th St | Zion | IL | 60099 |
| Mgb Equipment | 847-516-0404 | 7184 Meadow Ln | Cary | IL | 60013 |
| Micro Aseptics Products | 847-358-6303 | 887 E Wilmette Rd | Palatine | IL | 60067 |
| Morley & Company | 847-695-3121 | 1083 Hiawatha Dr | Elgin | IL | 60120 |
| Multi-Pure | 847-296-3278 | 116 E Hill St | Mount Prospect | IL | 60056 |
| Natures Water Ltd | 847-566-4376 | 108 W State Rd | Mundelein | IL | 60060 |
| North Suburban Public Utillity | 847-803-9797 | 4307 Regency Dr | Glenview | IL | 60025 |
| Novi Sales & Service | 847-803-3838 | 1305 N Pima Ln | Mount Prospect | IL | 60056 |
| Orlick Enterprises | 847-296-5223 | 31 Fremont Ave | Des Plaines | IL | 60016 |
| Personalized Software Solutions | 847-459-0009 | 21 Stonegate Dr | Wheeling | IL | 60090 |
| Quality Flow Inc | 847-291-7674 | 3691 Coml Ave | Northbrook | IL | 60065 |
| Rainsoft Water Conditioning | 847-526-6336 | 108 E State Rd | Island Lake | IL | 60042 |
| Rand Plumbing | 847-358-0650 | 1740 N Rand Rd | Palatine | IL | 60074 |
| Rent-A-Soft Inc | 847-639-0310 | 720 Industrial Dr | Cary | IL | 60013 |
| Royal Prestige Buendia | 847-608-1886 | 840 N State St | Elgin | IL | 60123 |
| Servisoft Water Conditioning Company | 847-336-5550 | 2424 Grand Ave | Waukegan | IL | 60085 |
| Shaklee Authorized Distributor | 847-639-5870 | 8405 Chestnut Ln | Cary | IL | 60013 |
| Shaklee Authorized Distributor | 847-441-7778 | 856 Foxdale Ave | Winnetka | IL | 60093 |
| Shaklee Products Distributors | 847-516-2132 | 738 Blazing Star Trl | Cary | IL | 60013 |
| Snelten Peter & Sons | 847-526-3500 | 25000 W Old Rand Rd | Wauconda | IL | 60084 |
| Springsoft Tri-County | 847-381-3690 | 821 W NW Hwy | Barrington | IL | 60011 |
| Suburban Water Conditioners In | 847-741-4037 | 4177 Cliff Dr | Elgin | IL | 60120 |
| Tanzer Water Treatment | 847-885-9941 | 1185 Ash Rd | Hoffman Estates | IL | 60195 |
