| Business | Phone |
| Jordan Springs Inc 2020 Fairview Ave Ne, Washington 20002 | (202) 526-3778 |
| Philadelphia Water Ice Factory 1208 H St Ne, Washington 20002 | (202) 396-1429 |
| Water Advocate 1506 21st St Nw # 200, Washington 20036 | (202) 293-4002 |
| Water Systems Council 1101 30th St Nw, Washington 20007 | (202) 625-4387 |