| Business | Phone |
| Colonial Excavating Co Inc 3425 S Kedzie Ave, Chicago 60623 | (773) 523-5718 |
| Chicago Antique Brick Co Inc 2201 S Halsted St 1, Chicago 60608 | (773) 847-7900 |
| Colonial Brick Co 2222 S Halsted St, Chicago 60608 | (312) 733-2600 |
| Crawford Material Co 2151 N Pulaski Rd, Chicago 60639 | (773) 252-1188 |