| Business | Phone |
| 6116 Associates Ltd Prtnrshp 6116 Executive Blvd, Rockville 20852 | (301) 881-3241 |
| W M & F Gude One 1680 E Gude Dr, Rockville 20850 | (301) 294-2330 |
| Rockmanor Executive Center 1700 Rockville Pike # 440, Rockville 20852 | (301) 294-2330 |
| Rockwall Building 5515 Security Ln, Rockville 20852 | (301) 881-8321 |
| Glen Borough 11400 Rockville Pike # 105, Rockville 20852 | (301) 881-8321 |