| Business | Phone |
| Chestnut Square Historical Prk 315 S Chestnut St, Mckinney 75069 | (972) 562-8790 |
| Chestnut Square Museums 311 S Chestnut St, Mckinney 75069 | (972) 562-8790 |
| Collin County Historical Soc 105 N Chestnut St, Mckinney 75069 | (972) 542-9457 |
| Heard Natural Science Museum 1 Nature Pl, Mckinney 75069 | (972) 562-5566 |
| Heard Raptor Rehabilitation Country Club Rd, Mckinney 75069 | (972) 562-5560 |
| Heard-Craig Women's Club Ctr 205 W Hunt St, Mckinney 75069 | (972) 569-6909 |
| Collin County Couriers 210 S Mcdonald St, Mckinney 75069 | (214) 394-8093 |