| Business | Phone |
| Mac Millin Hydraulic Engrg 7355 Lawndale Ave, Skokie 60076 | (847) 676-2910 |
| Henro Manufacturing Co 9040 Terminal Ave, Skokie 60077 | (847) 966-3330 |
| Hydraulic Shop 7401 Saint Louis Ave, Skokie 60076 | (847) 791-7932 |
| Kirpack Co 9523 Kenneth Ave, Skokie 60076 | (847) 677-4660 |
| Promark Associates Inc 3344 Main St, Skokie 60076 | (847) 676-1894 |
| Rt Dygert Intl 7540 Linder Ave, Skokie 60077 | (847) 675-1444 |
| Kna 4639 Jerome Ave, Skokie 60076 | (847) 864-9670 |