| Business | Phone |
| Irving D Boigon Architect 10212 Yonge St, Richmond Hill L4C 3B6 | (905) 508-7400 |
| M R Merker & Assoc Inc 195 Rumble Ave, Richmond Hill L4C 4G5 | (905) 884-8377 |
| Manors Of Mill Pond 125 Hall St, Richmond Hill L4C 4N9 | (905) 787-8242 |
| Shiu Pong Construction 120 East Beaver Creek Rd, Richmond Hill L4B 4V1 | (905) 764-6164 |
| Elm Development Corp 30 Wertheim Crt #18, Richmond Hill L4B 1B9 | (905) 709-8232 |