| Business | Phone |
| Terra Properties Self Stge 12447 Us Highway 40, Highland 62249 | (618) 654-8366 |
| Coldwell Banker 2621 Plaza Dr, Highland 62249 | (618) 651-1400 |
| Coldwell Banker 200 Wildwood Ave, Highland 1801 | (781) 935-6500 |
| Dandt Properties 705 Broadway, Highland 62249 | (618) 654-5009 |
| Prudential One Realty Centre 5 Central Blvd, Highland 62249 | (618) 654-1717 |
| Frey Properties-Highland Llc 200 Plaza St, Highland 62249 | (618) 654-3467 |
| Help-U-Sell 1308 Mercantile Dr A, Highland 62249 | (618) 654-1048 |
| Ken Keeven Realty 12041 State Route 143, Highland 62249 | (618) 654-7575 |