| Business | Phone |
| E Tec 900 S Shackleford Rd # 300, Little Rock 72211 | (501) 978-1025 |
| Ecotech Enterprises Inc 9 Bergerac Ln, Little Rock 72211 | (501) 221-2211 |
| Oic Inc 5618 Patterson Rd, Little Rock 72209 | (501) 562-3307 |
| Matalnic Systems Inc 11519 Kanis Rd, Little Rock 72211 | (501) 225-8782 |
| Area Clear Water Svc 11006 Lemoncrest Ln, Little Rock 72210 | (501) 455-5544 |
| Arkansas Home Products Little Rock 72204 | (501) 681-5583 |
| Water Quality Assoc 9 Timberside Cv, Little Rock 72204 | (501) 837-1628 |
| Water Treatment Svc 12301 Stagecoach Rd, Little Rock 72210 | (501) 455-4832 |