| Business | Phone |
| Hart Industrial Products Inc 3637 Spring Grove Ave, Cincinnati 45223 | (513) 541-4238 |
| Liberty Industrial Supply Co 10885 Millington Ct, Cincinnati 45242 | (513) 793-7030 |
| Pennington Rubber Co 4676 Paddock Rd, Cincinnati 45229 | (513) 641-0211 |
| Superior Rubber Co 138 E Mcmicken Ave, Cincinnati 45202 | (513) 621-4977 |