| James Heating & Air Cond 115 Lawrence St (541)746-9743 | Rose City Heat 9945 Ne 6th Dr 5032835184 | P & L Johnson Mechanical Inc 429 Gateway Ave 5033252180 |
| O R S Fastening Systems 1810 Southeast 10th Avenue (503)234-0528 | Material Flow & Conveyor Systems Inc 11117 Southwest Greenburg Road (503)684-1613 | Northern Mechanical Inc 1551 NW 9th St (541)889-2001 |
| Oregon Cutting Systems 4909 Southeast International Way (503)786-1509 | Prestige Services Inc Po Box 1475 5036820504 | All-Temp Refrigeration 675 Southeast 9th Street (541)389-6998 |
| Westermann Heat & Cool 1009 Woodlawn Ave 5036552130 | A Service Refrigeration & Heating PO Box 1657 (503) 681-0371 | Advantage Heating & Air Conditioning 390 Chemawa Rd N (503) 393-5315 |
| Material Flow & Conveyor Systems Inc 11117 Southwest Greenburg Road (503)684-1613 | Constant Comfort 1550 Fabry Rd SE (503) 588-7523 | Roth Heating & Cooling 801 E Main St (503) 829-8577 |
| Exterior Systems 1820 Prairie Road Suite D (541)688-4279 | Gerhard Schicht Consulting Engineers 20595 SW Tualatin Valley Hwy (503) 642-5618 | Air-Pro Heating & Air Cond Inc 7405 SE Powell Blvd (503)771-7871 |
| Damar Heating Inc 7522 Ne 13th Ave 5032366344 | Ron's Heating & Air Cond Inc 1020 M St 5413436829 | Performance Mechanical Htg 1915 SW 25th St (503)492-5605 |
| A Air Care Of Oregon PO Box 67 (541)336-2327 | Starr Construction & Engineering Inc Po Box 2002 (541) 258-8787 | Sonny's High Mountain Heating PO Box 1678 (541)536-3905 |
| Buss Heating & Cooling Inc PO Box 479 (503)260-1593 | Commercial Mech PO Box 1437 (541)431-0800 | Bend Heating & Sheet Metal Inc 61540 American Ln 5413821231 |
| Groth-Gates Heating & Sheet Metal 2614 SE Highway 101 (541) 994-2631 | C & K Heating Air Conditioning 390 Daily Ln (541)955-2921 | Skyline Sheet Metal 1535 Nw Sundial Rd # 100 5036691156 |
| Mountain View Heating Inc 110 SE 9th St (541) 389-6714 | Allied Heating & Air Conditioning Co Po Box 883 5417726100 | Lucid Energy Inc 108 Nw 9th Ave Ste 201c |
| Neudorfer Engineers Inc 1500 NE Sandy Blvd # 1 (503)235-8924 | Total Comfort Weatherization Limited 565 21st St SE (503) 399-9052 | Weiting Tim-A1-Hvac 4868 Uhrmann Rd (541) 273-7547 |
| Pacific Heating & Cooling Inc 6090 Crater Lake Ave, Unit D (541) 826-7773 | Melton's Heating & Air Cond 2060 Davcor St Se 5033787482 | Kizer Sheet Metal PO Box 181 (503)472-2313 |