| Business | Phone |
| Herbal Health Care Svc 1535 Newton St Ne, Washington 20017 | (202) 832-2360 |
| Edith H Hogan 213 11th St Se, Washington 20003 | (202) 544-3475 |
| Investue Enterprises 610 9th St Sw, Washington 20024 | (202) 484-1146 |
| Metroplex Health & Nutrition 6323 Georgia Ave Nw, Washington 20011 | (202) 723-7222 |
| Nutrition Education Fund 1875 I St Nw, Washington 20006 | (202) 833-3144 |
| Personalized Nutrition 1929 19th St Nw, Washington 20009 | (202) 833-0353 |
| Physician's Committee-Medicine 5100 Wisconsin Ave Nw # 400, Washington 20016 | (202) 686-2210 |
| Barbara B Stover 2235 Observatory Pl Nw, Washington 20007 | (202) 338-7328 |