| Business | Phone |
| T R Miles Consulting Tchnlgsts 5475 Sw Arrow Wood Ln, Portland 97225 | (503) 292-0107 |
| Steam Engineering Inc 6400 Sw Canyon Ct # 20, Portland 97221 | (503) 297-1123 |
| Sherpa Design 107 Se Washington St # J216, Portland 97214 | (503) 771-3570 |
| Eesi 2728 N Jessup St, Portland 97217 | (503) 240-4414 |
| F W Horstkotte & Assoc 621 Sw Morrison St # 523, Portland 97205 | (503) 223-3014 |
| Pacific Energy Systems Inc 1800 Sw 1st Ave # 515, Portland 97201 | (503) 227-7611 |
| Mfia Inc 2007 Se Ash St, Portland 97214 | (503) 234-0548 |
| Mc Cann Engineering 1335 Nw 23rd Ave # 100, Portland 97210 | (503) 243-2242 |
| Facility Design Construction 13500 Sw 72nd Ave, Portland 97223 | (503) 620-5234 |
| J D Engineering 160 Nw 101st Ave, Portland 97229 | (503) 297-2539 |