| Business | Phone |
| Theotech 7058 N Olin Ave, Portland 97203 | (503) 283-1552 |
| Batteries Inc 3812 Se Belmont St, Portland 97214 | (503) 239-6924 |
| East Penn Manufacturer Co Inc 13017 Ne Airport Way, Portland 97230 | (503) 257-8838 |
| Exide Battery Corp 13802 Ne Airport Way, Portland 97230 | (503) 261-9030 |
| Industrial Battery Co 1606 Se Brooklyn St, Portland 97202 | (503) 231-6620 |