| Business | Phone |
| Maryland Institute-Individual 7307 Baltimore Ave # 208, College Park 20740 | (301) 277-3250 |
| Laurence W Miller 4917 Edgewood Rd, College Park 20740 | (301) 345-7771 |
| Ida Sue Baron 4321 Hartwick Rd, College Park 20740 | (301) 340-2119 |
| Ruth L Sherman Phd 6200 Westchester Park Dr #1017, College Park 20740 | (301) 345-3467 |
| John Zager Phd 9029 49th Pl, College Park 20740 | (301) 474-0432 |