| Business | Phone |
| Western Enterprises 875 Bassett Rd, Cleveland 44145 | (440) 871-2160 |
| Tylok International Inc 1061 E 260th St, Cleveland 44132 | (216) 261-0400 |
| Superior Products Co 3786 Ridge Rd, Cleveland 44144 | (216) 651-9400 |
| Swagelok Co 6262 Cochran Rd, Cleveland 44139 | (440) 349-5855 |
| Plidco International Inc 870 Canterbury Rd, Cleveland 44145 | (440) 871-5700 |