| Business | Phone |
| Aromech Inc 348 S Waverly Rd, Holland 49423 | (616) 392-7039 |
| Design One Inc 777 Brooks Ave, Holland 49423 | (616) 796-9942 |
| Driesenga & Assoc Inc 455 E 8th St 100, Holland 49423 | (616) 396-0255 |
| Wolf Consulting Engineers 4312 N 160th Ave, Holland 49424 | (616) 399-9470 |
| Ram Intl 691 Ottawa Beach Rd, Holland 49424 | (616) 546-9420 |
| Optiprise Inc 112 Waukazoo Dr, Holland 49424 | (616) 738-9440 |