| Business | Phone |
| Anvil International Inc 25800 1st St, Cleveland 44145 | (440) 808-0156 |
| Epco Inc 3204 Sackett Ave, Cleveland 44109 | (216) 351-7610 |
| G & B Mechanical 3300 King Ave, Cleveland 44114 | (216) 241-6570 |
| J & M Intl 1278 W 70th St, Cleveland 44102 | (216) 631-9484 |
| Ohio Pipe & Supply Co 14615 Lorain Ave, Cleveland 44111 | (216) 251-2345 |