| Business | Phone |
| Allen Acoustics Inc 55 Ne Farragut St # 2, Portland 97211 | (503) 737-0145 |
| Summit Ceiling Restoration Portland 97219 | (503) 244-1518 |
| Csi Interior Contractors 2340 Se Gladstone St, Portland 97202 | (503) 234-9515 |
| Northwest Sound Control 8135 Se 89th Ave, Portland 97266 | (503) 788-5579 |
| Omni Interiors 2305 Se 50th Ave, Portland 97215 | (503) 222-6664 |
| James Co Portland 97220 | (503) 256-9040 |