| Business | Phone |
| Ateska Construction 5752 N 39th St, Milwaukee 53209 | (414) 737-0101 |
| Badger Glass Block 2220 S 58th St, Milwaukee 53219 | (414) 327-1031 |
| Discount Glass Block Milwaukee 53226 | (414) 476-1782 |
| Milwaukee Glass Block Inc 3700 W Lincoln Ave, Milwaukee 53215 | (414) 647-2300 |
| National Glass Block 5307 W National Ave, Milwaukee 53214 | (414) 383-8696 |
| Srw Glass Block & Concrete Milwaukee 53202 | (414) 704-4779 |
| North American Glass Block 2072 S 55th St, Milwaukee 53219 | (414) 645-9999 |
| Northside Glass Block Milwaukee 53227 | (414) 339-7708 |
| Security Glass Block 9611 W Greenfield Ave, Milwaukee 53214 | (414) 453-9110 |
| Quality Glass Block 8259 N 37th St, Milwaukee 53209 | (414) 354-3604 |
| Quality Service Installed 3008 W Ruskin St, Milwaukee 53215 | (414) 383-5569 |