| Business | Phone |
| Grinnell Fire Protection Systs 7205 Edington Dr, Cincinnati 45249 | (513) 489-0111 |
| Integrated Protection Svc Inc 11354 Reading Rd, Cincinnati 45241 | (513) 631-5505 |
| Rice Electrical Sales Inc 2611 Kemper Ln, Cincinnati 45206 | (513) 221-7111 |
| Siemens Building Technologies 1310 Kemper Meadow Dr # 500, Cincinnati 45240 | (513) 742-2114 |