| Business | Phone |
| Summit Manufacturing 3050 Se 61st Ct, Hillsboro 97123 | (503) 649-2033 |
| Carter 2 Systems Inc C2si 2750 Se 39th Loop, Hillsboro 97123 | (503) 844-4220 |
| Municipal Products 716 Se 39th Ct, Hillsboro 97123 | (503) 681-7685 |
| Metafab Inc 163 Sw Freeman Ave # C, Hillsboro 97123 | (503) 640-2527 |