| Business | Phone |
| All-Phase Electric Supply Co 11430 James St 20, Holland 49424 | (616) 931-9931 |
| Crescent Electric Supply Co 11415 E Lakewood Blvd, Holland 49424 | (616) 392-7148 |
| Electronic Sources 602 Lawn Ave, Holland 49424 | (616) 355-6671 |
| United Electric Supply Co 11071 Watertower Ct, Holland 49424 | (616) 394-9494 |
| Touch Sensor 11301 James St, Holland 49424 | (616) 395-8742 |