| Business | Phone |
| Rainsoft Water Treatment Systs 421 Snow Hill Rd, Salisbury 21804 | (410) 742-6510 |
| Aqua Solutions Inc/Kinetico 239 Leonard Ln # E, Salisbury 21801 | (410) 860-9400 |
| Life Environmental Systems 1528 Woodridge Dr, Salisbury 21804 | (410) 860-4747 |