| Business | Phone |
| Gary Bruggemann & Assoc 5415 N Sheridan Rd, Chicago 60640 | (773) 334-3971 |
| G T Inc 6610 W Irving Park Rd, Chicago 60634 | (773) 777-5511 |
| Expanded Metal Products Corp 4633 S Knox Ave, Chicago 60632 | (773) 735-4500 |
| Chicago Maxi-Mix 1416 W Willow St, Chicago 60622 | (773) 489-6747 |
| Ebs Building Materials 6815 W 63rd St, Chicago 60638 | (708) 514-3133 |
| E E Bailey Building Materials 741 W 115th St, Chicago 60628 | (773) 264-9425 |