| A Better Choice | 302-292-1143 | 19 Newland Ct | Newark | DE | 19713 |
| Accuqual Laboratories Inc | 302-325-4370 | 276 Quigley Blvd | New Castle | DE | 19720 |
| Accurate Testing Laboratories | 302-998-8266 | 460 E Ayre St | Wilmington | DE | 19804 |
| Aquarius Spring Water Inc | 302-654-3310 | 41-D Germary Dr | Wilmington | DE | 19801 |
| Artesian Water Co Inc | 302-378-6055 | 22 W Main St | Middletown | DE | 19709 |
| Artesian Water Co Inc Customer Conservation | 302-453-7305 | 664 Churchmans Rd | Newark | DE | 19702 |
| Artesian Water Co Inc Customer Service Dept Bi | 302-453-6930 | 664 Churchmans Rd | Newark | DE | 19702 |
| Artesian Water Co Inc Emergencies 24 Hours A D | 302-453-6922 | 664 Churchmans Rd | Newark | DE | 19702 |
| Artesian Water Co Inc Meter Readings-24 Hours | 302-453-7150 | 664 Churchmans Rd | Newark | DE | 19702 |
| Artesian Water Co Inc Tdd Only | 302-453-6939 | 664 Churchmans Rd | Newark | DE | 19702 |
| Artisian Laboratories Inc | 302-453-6920 | 630 Churchmans Rd | Newark | DE | 19702 |
| Aurora Corporation | 302-656-6717 | 700 Cornell Dr | Wilmington | DE | 19801 |
| Cooper Bros Inc | 302-323-0717 | 62 Southgate Blvd | New Castle | DE | 19720 |
| Culligan Funk Water Quality Co | 302-322-4422 | Center Point Blvd | New Castle | DE | 19721 |
| First State Lawn Service | 302-323-9555 | 20 Colesbery Dr | New Castle | DE | 19720 |
| G M3 Network | 302-995-1124 | 143 Oldbury Dr | Wilmington | DE | 19808 |
| Geiger Plumbing & Heating Inc | 302-762-1200 | 718 Philadelphia Pike | Wilmington | DE | 19809 |
| K S T Land Design Inc | 302-328-7826 | 706 Delaware St | New Castle | DE | 19720 |
| Mccall Laboratories | 302-697-9172 | 300-A E Camden Wyoming Ave | Camden Wyoming | DE | 19934 |
| Natural Water Co | 302-234-6666 | 2874 Creek Rd | Yorklyn | DE | 19736 |
| Newton O A & Son Company Sales Buildings | 302-337-3712 | Rt 13 | Bridgeville | DE | 19933 |
| Nsa Dealers | 302-994-7014 | 100 Harding Ave | Wilmington | DE | 19804 |
| Passwaters Agricultural Services | 302-337-7868 | Georgtwn Rd | Bridgeville | DE | 19933 |
| Rainsoft | 302-655-2112 | 229 Hilvw Ave | Wilmington | DE | 19801 |
| Refinite Water Conditioning Co Inc | 302-764-5225 | 6 Boulder Brook Dr | Wilmington | DE | 19803 |
| Sluggers Den | 302-376-1610 | Midltwn Sq | Middletown | DE | 19709 |
| Syntec Corp | 302-366-8851 | Shea Way Dr | Newark | DE | 19712 |
| Tidewater Utilities Inc | 302-376-1501 | 605 Main | Odessa | DE | 19730 |
| Tucker Mechanical Service | 302-875-9074 | Road 493 | Laurel | DE | 19956 |
| United Water Delaware Customer Service-Billing | 302-633-5900 | 2000 First State Blvd | Wilmington | DE | 19804 |
| Winkler Bros Inc | 302-335-3351 | Harngtn-Fredrca Rd | Frederica | DE | 19946 |
| Woodward Home Imprvmnts | 302-731-9604 | 129 Salem Church Rd | Newark | DE | 19713 |
| Wootten Well Drilling | 302-875-0822 | RR 3 | Laurel | DE | 19956 |
