| Business | Phone |
| Brazil Watch Publications 8218 Wisconsin Ave, Bethesda 20814 | (301) 718-3080 |
| Redish & Associates Inc 6820 Winterberry Ln, Bethesda 20817 | (301) 229-3039 |
| P W Communications Inc Po Box 34274, Bethesda 20827 | (301) 231-7233 |
| Garfinkel & Assoc 7801 Norfolk Ave # 207, Bethesda 20814 | (301) 961-0000 |