| Business Name | Address | |
| Mkd Electric | 1030 N Mclean Blvd Elgin, IL 60123 |
 |
| Precision Power Inc | South Elgin, IL 60177 |
|
| Lohbauer Electric | 420 Industrial Dr South Elgin, IL 60177 |
|
| Ron Jones Electric Inc | 695 Schneider Dr South Elgin, IL 60177 |
|
| O'Carroll Electrical Contr Inc | 310 N LA Fox St # 1 South Elgin, IL 60177 |
|