| Business | Phone |
| Finn Scale 520 Unruh Ave, Philadelphia 19111 | (215) 725-9784 |
| Henry Troemner Inc Philadelphia 19143 | (215) 724-0800 |
| John J Mc Intyre Sons Inc 514 Knorr St, Philadelphia 19111 | (215) 745-3304 |
| Penn Scale Manufacturer Co 150 W Berks St, Philadelphia 19122 | (215) 739-9644 |
| Superior Scale & Instrmntcrp 514 Elm Ave, Philadelphia 19147 | (215) 627-0500 |