| A TEMP HEATING & COOLING INC | C55 | Electrical | — |
| A TEMP HEATING & COOLING INC | LHR669 | Electrical | — |
| A TEMP HEATING & COOLING INC | LMS118 | Electrical | — |
| A TEMP HEATING & COOLING INC | 3-573PB | Plumbing | — |
| ADVANCED WIRING SERVICES INC | C7 | Electrical | — |
ALWAYS PURE WATER SYSTEMS
VISCOSITY INC | PP7 | Combo License | — |
| AMERICAN WOOD DRYERS LLC | 519PFC | Prefab | — |
| BRAWN MECHANICAL CORP | B03-1156 | Boiler | — |
| BRAWN MECHANICAL CORP | 3-565CLE | Electrical | — |
| BULIGA PLUMBING LLC | C1505 | Electrical | — |
| BULIGA PLUMBING LLC | CRE365 | Electrical | — |
| BULIGA PLUMBING LLC | LHR746 | Electrical | — |
| BULIGA PLUMBING LLC | PB2138 | Plumbing | — |
| COLBYCO CUSTOM CONSTRUCTION LLC | PB1821 | Plumbing | — |
| COLUMBIA TELEPHONE CO INC | 26-940CLE | Electrical | — |
| COMFORT SOLUTIONS HEATING & COOLING INC | LHR3 | Electrical | — |
| COMFORT SOLUTIONS HEATING & COOLING INC | LMS85 | Electrical | — |
| COMFORT SOLUTIONS HEATING & COOLING INC | PB308 | Plumbing | — |
| CR ELECTRICAL LLC | C1262 | Electrical | — |
| DIVINE HEATING & COOLING LLC | LHR549 | Electrical | — |
| DIVINE HEATING & COOLING LLC | LMS502 | Electrical | — |
| DIVINE HEATING & COOLING LLC | PB2947 | Plumbing | — |
| ELECTECH LIGHTING & ELECTRIC INC | C377 | Electrical | — |
| ENERGY COMFORT & CONSTRUCTION LLC | LHR73 | Electrical | — |
| ENERGY COMFORT & CONSTRUCTION LLC | LMS91 | Electrical | — |
| ENERGY COMFORT & CONSTRUCTION LLC | PB716 | Plumbing | — |
| EXECUTIVE DRAINS LLC | PB2348 | Plumbing | — |
| GENERAL SHEET METAL WORKS INC | BB358 | Boiler | — |
| GENERAL SHEET METAL WORKS INC | LHR353 | Electrical | — |
| HAPPYS PLUMBING INC | LMS632 | Electrical | — |
| HAPPYS PLUMBING INC | 3-488PB | Plumbing | — |
| HEINZ MECHANICAL INDUSTRIES INC | BB234 | Boiler | — |
| HEINZ MECHANICAL INDUSTRIES INC | PB1809 | Plumbing | — |
| HORIZON DEVELOPMENT INC | PB836 | Plumbing | — |
HYDRO PDX; NWPMM; RENTAL FIXERS
NW PROPERTY MANAGEMENT AND MAINTENANCE LLC | PB3274 | Plumbing | — |
| J AND E HVAC SOLUTIONS INC | LHR772 | Electrical | — |
| LANE A ALDERMAN LLC | ECM12 | Elevator | — |
| LAUZON CONTRACTING LLC | 3-554PB | Plumbing | — |
| LEAR ELECTRIC COMPANY INC | 26-411C | Electrical | — |
LEGACY ELECTRICAL
LEGACY WIRELESS SERVICES INC | 37-989C | Electrical | — |
| LIBERTY ELECTRIC INC | C1643 | Electrical | — |
| LITEN UP ELECTRIC LLC | C1090 | Electrical | — |
| MIDWAY HEATING CO INC | 26-1150LHR | Electrical | — |
| MILWAUKIE PLUMBING CO | 3-17PB | Plumbing | — |
MP PLUMBING CO
MILWAUKIE PLUMBING CO | LMS100 | Electrical | — |
| NORTHWEST COMMERCIAL HEATING & A/C INC | B99-2298 | Boiler | — |
| NORTHWEST COMMERCIAL HEATING & A/C INC | CRE45 | Electrical | — |
| NORTHWEST COMMERCIAL HEATING & A/C INC | 207LHR | Electrical | — |
| NORTHWEST COMMERCIAL PROPERTY MAINTENANCE INC | 1133LMS | Electrical | — |
| NW SUNDANCE SERVICES INC | CRE73 | Electrical | — |
| NW SUNDANCE SERVICES INC | LHR193 | Electrical | — |
| NW SUNDANCE SERVICES INC | LMS158 | Electrical | — |
| NW SUNDANCE SERVICES INC | PB980 | Plumbing | — |
| OREGON GENERATORS LLC | C1911 | Electrical | — |
| OREGON ONSITE LLC | PB3117 | Plumbing | — |
| OREGON UNDERGROUND INC | PB3321 | Plumbing | — |
| PETRA HEATING & AIR CONDITIONING INC | CRE53 | Electrical | — |
| PETRA HEATING & AIR CONDITIONING INC | LHR131 | Electrical | — |
| PETRA HEATING & AIR CONDITIONING INC | PB3299 | Plumbing | — |
| ROBBEN & SONS HEATING INC | B05-1212 | Boiler | — |
| ROBBEN & SONS HEATING INC | PB977 | Plumbing | — |
ROBERTS LIGHTING
VEZZANI ENTERPRISES INC | LMS267 | Electrical | — |
ROOT EXCAVATION
RAGLANDS INC | 3-433PB | Plumbing | — |
| SPECIALTY SERVICES LLC | PB2510 | Plumbing | — |
SPEEDY
THE SPEEDY TEAM INC | PB3311 | Plumbing | — |
| TEH LLC | BB222 | Boiler | — |
THREE PHASE ELECTRIC/WRIGHT 1 ELECTRIC
LANTIL LLC | 3-332C | Electrical | — |
| VEZZANI ENTERPRISES INC | C1088 | Electrical | — |
| WINTER & SUMMER HVAC LLC | CRE256 | Electrical | — |
| WINTER & SUMMER HVAC LLC | LHR529 | Electrical | — |
WRONSKI ELECTRIC
WRONSKI CONSTRUCTION COMPANY | C1182 | Electrical | — |
| YOUNG ELECTRIC LLC | C353 | Electrical | — |