| Business | Phone |
| Burtka Business Systems Inc 20916 Marlinga Dr, Clinton Township 48038 | (586) 954-3800 |
| Computer Plus Inc 38600 Garfield Rd, Clinton Township 48038 | (586) 286-6666 |
| Devin Technology 36580 Farmbrook Dr 44, Clinton Township 48035 | (586) 792-4209 |
| Emerging Technology Systems 44374 Macomb Industrial Dr, Clinton Township 48036 | (586) 469-1055 |