| Business | Phone |
| Computer Enviroments 34147 Schoolcraft Rd, Livonia 48150 | (734) 525-4858 |
| Charter Technologies 11875 Jarvis St, Livonia 48150 | (734) 322-2111 |
| Kone Inc 11864 Belden Ct, Livonia 48150 | (734) 513-6944 |
| Schindler Elevator Corp 28451 Schoolcraft Rd, Livonia 48150 | (734) 367-9410 |
| Trades Michigan Inc 11906 Farmington Rd, Livonia 48150 | (313) 758-0380 |