| John's Heating & Air Inc 56171 Gay Ann (541) 576-2456 | Temple Construction 54 E Howard Ave (541) 689-4687 | Abode Heating & Air Cond 6151 SE Hacienda St (503)972-8571 |
| Jacobs Heating & Air Cond 4474 SE Milwaukie Ave (503)234-7331 | Olson Heating & Sheet Metal 1528 NW 19th St (541) 996-3871 | Columbia River PUD - Energy Services 64701 Columbia River Highway (503)366-5470 |
| National Heating & Ac Inc 1006 S Pacific Hwy 5415354687 | Cascade Heating & Specialties 5414752822 | Ti Tech Specialties 1280 W Airway Rd (541)451-1441 |
| Air Filtration Systems 14212 S Mueller Rd (503)632-5298 | Stephen's Heating & Cooling 976 NW 3rd St (541)447-2150 | Comfort Air Inc 3634 SE Powell Blvd (503) 236-6829 |
| Smith Heating & Ac 225 W Railroad Ave 5415737634 | Hotshot Heating & Cooling 35900 Industrial Way (503)668-1342 | NW Natural - Residential Heating Water H 220 Northwest 2nd Avenue (503)220-2360 |
| R H Heating & Cooling 3216 NE 78th Ave (503)252-9672 | Buzz Mechanical Inc PO Box 2152 (503)722-1550 | Cross-Continent Engineers 12135 SE Lincoln St (503) 252-0071 |
| Four Seasons Heating & AC PO Box 238 (503)538-1950 | Slakey Brothers 5505 SE Mallard Way (503) 794-2910 | Douglas Sheet Metal-Roseburg 4119 NE Stephens St (541)672-8455 |
| Ace Heating 14704 Southeast Rupert Drive (503)654-1515 | Nw Photon Energy 560 1st St 5037034046 | Quality Heating 1130 Se Lake Rd 5419234752 |
| Eclipse Heating & Cooling Llc 290 W Marie Ave 5415641031 | FROSTECH 25990 S Beeson Rd (503) 320-5996 | Heath Masonry 1833 NE 7th Dr (541)994-4090 |
| Done Right Heating 28373 SE Stone Rd (503)358-3442 | Material Flow & Conveyor Systems Inc 11117 Southwest Greenburg Road (503)684-1613 | All Seasons Heating & Air Cond 2001 NE Foothill Blvd # E12 (541)479-8777 |
| Air Quality Inc Po Box 2916 5036559022 | Eagle Heating & A/C 1236 NE 160th Ave (503) 810-3019 | Construction Systems 2 40084 Mckenzie Hwy (541)747-3554 |
| Air Quality Inc 19490 S Falcon Dr (503)655-9022 | Miller & Sons Home Improvement 13485 S Cascadia Ct (503)829-7979 | Four Seasons Htg A C Svc Inc 5037755919 |
| A-Absolute Comfort Heating & Air Conditioning Inc 2099 SE Oak Grove Blvd (503) 513-4795 | Geraghty Mechanical Inc PO Box 6082 (541)382-9210 | Allied Heating & Air Cond 522 S Fir St (541)772-6100 |