1ST CALL PLUMBING
1ST CALL SERVICES LLC | LMS685 | Electrical | — |
1ST CALL PLUMBING & DRAIN CLEANING
1ST CALL SERVICES LLC | PB1126 | Plumbing | — |
| 2KG CONTRACTORS INC | PB2729 | Plumbing | — |
3 BROTHERS HOME SOLUTIONS
3 BROTHERS COMPANY LLC | C2137 | Electrical | — |
84 ELECTRIC
STUMPTOWN ELECTRIC LLC | C567 | Electrical | — |
| AAA HEATING & COOLING INC | 713LHR | Electrical | — |
| AAA HEATING & COOLING INC | 111LMS | Electrical | — |
| AAA HEATING & COOLING INC | 26-560PB | Plumbing | — |
AARON'S PLUMBING CO
WALKER I CORP | 26-802PB | Plumbing | — |
| ACCURATE EXCAVATION LLC | PB2234 | Plumbing | — |
| ADVANCED AMERICAN CONSTRUCTION INC | BB133 | Boiler | — |
| ADVANCED COMMUNICATIONS SERVICES INC | CLE139 | Electrical | — |
| ADVANCED HEATING & AIR CONDITIONING INC | 907LMS | Electrical | — |
| AIR COMFORT HEATING LLC | CRE342 | Electrical | — |
| AIR COMFORT HEATING LLC | LHR687 | Electrical | — |
| AIR COMFORT INC | LHR603 | Electrical | — |
| AIR PRO HEATING AIR CONDITIONING INC | 181LHR | Electrical | — |
| AIR PRO HEATING AIR CONDITIONING INC | 385LMS | Electrical | — |
| ALAMEDA ELECTRIC INC | C923 | Electrical | — |
| ALARM TRACKS INC | CLE123 | Electrical | — |
| ALL IN ONE MOBILITY INC | ECM3 | Elevator | — |
| ALL SERVICES NW LLC | LHR625 | Electrical | — |
| ALL SERVICES NW LLC | PB3218 | Plumbing | — |
| ALL SOLUTIONS HEATING & COOLING LLC | CRE222 | Electrical | — |
| ALL SOLUTIONS HEATING & COOLING LLC | LHR465 | Electrical | — |
| ALLIANT SYSTEMS LLC | B02-1109 | Boiler | — |
| ALLIANT SYSTEMS LLC | C1916 | Electrical | — |
| ALLIANT SYSTEMS LLC | CRE217 | Electrical | — |
| ALLIANT SYSTEMS LLC | 34-640LHR | Electrical | — |
| ALLIANT SYSTEMS LLC | 3-487PB | Plumbing | — |
| ALLIED SYSTEMS NORTHWEST LLC | C1491 | Electrical | — |
| ALWAYS AFFORDABLE PLUMBING LLC | PB3238 | Plumbing | — |
| AM PRO PLUMBING LLC | 26-755PB | Plumbing | — |
| AMERICAN BACKFLOW & PLUMBING SERVICES INC | PB2459 | Plumbing | — |
| AMERICAN HEATING INC | B99-2249 | Boiler | — |
| AMERICAN HEATING INC | 26-683CLE | Electrical | — |
| AMERICAN HEATING INC | 26-1214LHR | Electrical | — |
| AMERICAN HEATING INC | PB982 | Plumbing | — |
| ANCTIL HEATING & COOLING LLC | LHR554 | Electrical | — |
| ANCTIL HEATING & COOLING LLC | LMS503 | Electrical | — |
| ANCTIL HEATING & COOLING LLC | PB2967 | Plumbing | — |
| ANTON HEATING & AIR CONDITIONING LLC | LHR194 | Electrical | — |
APOLLO ELECTRIC
APOLLO ELECTRIC LLC | 34-394C | Electrical | — |
APPLIANCE 2020
OSCAR A CHAIREZ BELTRAN LLC | LMS461 | Electrical | — |
| AQUATIC PLUMBING LLC | PB3440 | Plumbing | — |
| AQUIFER PLUMBING LLC | PM7 | Combo License | — |
| ARCTIC SHEET METAL INC | BP24 | Combo License | — |
| ARCTIC SHEET METAL INC | LHR88 | Electrical | — |
| ARTWORK CONSTRUCTION LLC | PB121 | Plumbing | — |
ATR ELECTRIC
ATR ELECTRIC LLC | C2238 | Electrical | — |
| ATTA ELEVATORS PORTLAND INC | EC5 | Electrical | — |
| ATTA ELEVATORS PORTLAND INC | ECM33 | Elevator | — |
| AVID TECHNOLOGIES LLC | CLE344 | Electrical | — |
| BADGER ELECTRIC INC | 3-571C | Electrical | — |
| BATHTUB SOLUTIONS INC | PB312 | Plumbing | — |
| BEAR COMMUNICATIONS INC | CLE798 | Electrical | — |
| BEDROCK COMMERCIAL CONCRETE CUTTING LLC | PB3661 | Plumbing | — |
| BETHANY ELECTRIC CO | C1889 | Electrical | — |
| BLACK CAT PLUMBING INC | PB467 | Plumbing | — |
| BLACK WOLF SOLAR LLC | C2244 | Electrical | — |
| BLUE CROW PLUMBING LLC | LMS546 | Electrical | — |
| BLUE CROW PLUMBING LLC | PB2802 | Plumbing | — |
| BLUE LINE PLUMBING INC | PB182 | Plumbing | — |
BLUEFROG PLUMBING AND DRAIN OF PORTLAND
BUCK AND THISTLE COMPANY | LMS674 | Electrical | — |
BLUEFROG PLUMBING AND DRAIN OF PORTLAND
BUCK AND THISTLE COMPANY | PB3369 | Plumbing | — |
| BOBRICK PLUMBING LLC | PB3703 | Plumbing | — |
| BORN AGAIN ELECTRIC LLC | C2212 | Electrical | — |
BRIDGETOWN ELECTRIC
STEENSLID & CO | 26-887C | Electrical | — |
| BRIGHT ON ELECTRIC LLC | C1920 | Electrical | — |
| BRIGHTSIDE ELECTRIC LLC | C2207 | Electrical | — |
BULL MOUNTAIN HEATING & COOLING; BULL MOUNTAIN MECHANICAL
CORDILLERA GROUP LLC | CRE307 | Electrical | — |
BULL MOUNTAIN HEATING & COOLING; BULL MOUNTAIN MECHANICAL
CORDILLERA GROUP LLC | LHR751 | Electrical | — |
BULL MOUNTAIN HEATING & COOLING; BULL MOUNTAIN MECHANICAL
CORDILLERA GROUP LLC | LMS699 | Electrical | — |
BULL MOUNTAIN HEATING & COOLING; BULL MOUNTAIN MECHANICAL
CORDILLERA GROUP LLC | PB3649 | Plumbing | — |
| BULLDOG PLUMBING SERVICE & RELIABILITY LLC | PM70 | Combo License | — |
| BURFITT PLUMBING INC | 26-11PB | Plumbing | — |
| C4 GROUP LLC | C1796 | Electrical | — |
| CACHE VALLEY ELECTRIC COMPANY | 37-976C | Electrical | — |
| CALIBER PLUMBING & MECHANICAL INC | BB236 | Boiler | — |
| CALIBER PLUMBING & MECHANICAL INC | CRE142 | Electrical | — |
| CALIBER PLUMBING & MECHANICAL INC | LHR357 | Electrical | — |
| CALIBER PLUMBING & MECHANICAL INC | PB1658 | Plumbing | — |
| CALIBER PLUMBING AND MECHANICAL SERVICES LLC | PB2081 | Plumbing | — |
| CALLAHAN ELECTRIC LLC | C807 | Electrical | — |
| CAPITOL ELECTRIC CO INC | 26-496C | Electrical | — |
| CAPITOL ELECTRIC CO INC | 785LMS | Electrical | — |
| CASCADE SOLAR LLC | C2034 | Electrical | — |
| CASCADIA PLUMBING LLC | PB489 | Plumbing | — |
| CASEBEER HYDRONICS LLC | BB176 | Boiler | — |
| CASEBEER HYDRONICS LLC | PB1426 | Plumbing | — |
| CECO INC | B99-2205 | Boiler | — |
| CECO INC | 26-806CRE | Electrical | — |
| CECO INC | 185LHR | Electrical | — |
| CECO INC | 1074LMS | Electrical | — |
| CECO INC | 26-697PB | Plumbing | — |
| CENTER RING CORPORATION | PB1070 | Plumbing | — |
| CENTRAL ELECTRONIC ALARM INC | 26-920CLE | Electrical | — |
| CENTRIC ELEVATOR CORP OF OREGON INC | 22EC | Electrical | — |
| CENTRIC ELEVATOR CORP OF OREGON INC | 22ECM | Elevator | — |
| CENTURY ELECTRIC LLC | 5-51C | Electrical | — |
| CH MURPHY CLARK ULLMAN INC | B99-2290 | Boiler | — |
| CHALET HOMES LLC | PB1415 | Plumbing | — |
| CHARTER MECHANICAL CONTRACTORS INC | BP8 | Combo License | — |
| CHARTER MECHANICAL CONTRACTORS INC | LHR126 | Electrical | — |
| CHOWN INC | CLE129 | Electrical | — |
| CHRISTENSON ELECTRIC INC | 26-34C | Electrical | — |
| CHRISTENSON ELECTRIC INC | LMS60 | Electrical | — |
CLEAN PORTLAND
MCM GROUP COMPANY | PB3183 | Plumbing | — |
| CLIMATE CHANGE COOLING AND HEATING LLC | CRE305 | Electrical | — |
CLIMATE CONTROL
SPECIALTY HEATING & COOLING LLC | CRE187 | Electrical | — |
CLIMATE CONTROL
SPECIALTY HEATING & COOLING LLC | LHR421 | Electrical | — |
CLIMATE CONTROL
SPECIALTY HEATING & COOLING LLC | LMS402 | Electrical | — |
| CLOUD CITY ELECTRIC LLC | C2051 | Electrical | — |
| CODYS APPLIANCE SERVICE INC | LMS344 | Electrical | — |
COOK SECURITY GROUP INC
COOK SOLUTIONS GROUP INC | 3-541CLE | Electrical | — |
CORNELS PLUMBING HEATING & AIR CONDITIONING
CORNELS PLUMBING INC | LHR562 | Electrical | — |
CORNELS PLUMBING HEATING & AIR CONDITIONING
CORNELS PLUMBING INC | PB2215 | Plumbing | — |
| CORNELS PLUMBING INC | LMS522 | Electrical | — |
| CORNERSTONE BUILDERS & PLUMBING LLC | LHR774 | Electrical | — |
| CORNERSTONE BUILDERS & PLUMBING LLC | PB3662 | Plumbing | — |
| CORPAC CONSTRUCTION COMPANY | PB1938 | Plumbing | — |
| CRAFTWORK PLUMBING INC | 20-148PB | Plumbing | — |
| CREATIVE DESIGN & CONSTRUCTION LLC | PB1875 | Plumbing | — |
| CROUCHLEY PLUMBING CO | 26-21PB | Plumbing | — |
| CURRENT ELECTRICAL CONST CO | 26-471C | Electrical | — |
| CUSTOM SIGN CO INC | 26-750CLS | Electrical | — |
| D & D MECHANICAL INC | 26-1242CRE | Electrical | — |
| D & D MECHANICAL INC | 26-1241LHR | Electrical | — |
| D & D MECHANICAL INC | 26-1243LMS | Electrical | — |
D & R HEATING & AIR
PACIFIC NORTHWEST HVAC INC | BP55 | Combo License | — |
D & R HEATING & AIR
PACIFIC NORTHWEST HVAC INC | LHR347 | Electrical | — |
| DA VINCIS BEST PLUMBING LLC | PB3023 | Plumbing | — |
| DANIELSON CONTRACTORS INC | PB2231 | Plumbing | — |
| DAVE BEARSON CONST ENTERPRISES INC | 26-792ECM | Elevator | — |
DAY WIRELESS SYSTEMS
DAY MANAGEMENT CORP | CLE731 | Electrical | — |
| DEEP DIGS EXCAVATION LLC | PB3336 | Plumbing | — |
| DELATOUR ELECTRIC LLC | C2108 | Electrical | — |
| DENNIS SEVEN DEES LANDSCAPING INC | PB511 | Plumbing | — |
| DOLAN NORTHWEST LLC | LMS167 | Electrical | — |
| DORNAN TECHNICAL SERVICES LLC | CLE675 | Electrical | — |
| DOUBLE A PLUMBING LLC | PB1706 | Plumbing | — |
DS CARRICK ELECTRIC
CARRICK INC | 34-439C | Electrical | — |
| DYNALECTRIC COMPANY | 26-59C | Electrical | — |
| E-Z ELECTRIC LLC | C2065 | Electrical | — |
| EAST END PLUMBING & HEATING LLC | PB2540 | Plumbing | — |
EC ELECTRIC; EC POWER SYSTEMS; ELECTRICAL CONSTRUCTION CO; POWER SYSTEMS WEST
EC COMPANY | CLE790 | Electrical | — |
EC ELECTRIC; ELECTRICAL CONSTRUCTION CO; EC POWER SYSTEMS; POWER SYSTEMS WEST
EC COMPANY | 26-45C | Electrical | — |
EC ELECTRIC; ELECTRICAL CONSTRUCTION CO; EC POWER SYSTEMS; POWER SYSTEMS WEST
EC COMPANY | PB534 | Plumbing | — |
| ECO ELECTRIC LLC | C630 | Electrical | — |
| ECO PLUMBER LLC | PB858 | Plumbing | — |
| ECOHEAT INC | 26-1253LHR | Electrical | — |
| EIRN CONSTRUCTION INC | PB1181 | Plumbing | — |
| EISELE ELECTRIC LLC | C2221 | Electrical | — |
| ELECTRICAL WIRING BY JOHNNY LLC | C1178 | Electrical | — |
| ELEMENTAL ENERGY LLC | C1228 | Electrical | — |
| ELEVATE AIR & WATER LLC | BB386 | Boiler | — |
| ELEVATE AIR & WATER LLC | LHR707 | Electrical | — |
| ELEVATE AIR & WATER LLC | PB3520 | Plumbing | — |
| ELEVATOR MAINTENANCE CO INC | EM3 | Combo License | — |
| ELITE ELECTRIC GROUP LLC | C639 | Electrical | — |
| EMPIRE PLUMBING LLC | PB1204 | Plumbing | — |
EMPOWER COMMUNITY ELECTRIC
EMPOWER COMMUNITY ELECTRIC LLC | C2253 | Electrical | — |
| EP ELECTRIC INC | C1910 | Electrical | — |
| EQUALITY ELECTRIC LLC | C1608 | Electrical | — |
| ETHIX ELECTRIC LLC | C2189 | Electrical | — |
| EVERLAST PLUMBING LLC | PB2049 | Plumbing | — |
| EVOLUTION PLUMBING LLC | BB382 | Boiler | — |
| EVOLUTION PLUMBING LLC | PB834 | Plumbing | — |
| FALCON SERVICES INC | C969 | Electrical | — |
FIVE STAR BATH SOLUTIONS OF PORTLAND
PNW BATH SOLUTIONS LLC | PB3425 | Plumbing | — |
| FIVE STAR PLUMBING LLC | PB370 | Plumbing | — |
| FLAWLESS ELECTRIC INC | C2194 | Electrical | — |
| FLESCHNER CONSTRUCTION LLC | PB1966 | Plumbing | — |
FOX ELECTRIC
THE FOX BUSINESS GROUP CORP | C23 | Electrical | — |
| GENESIS PLUMBING INC | PB3377 | Plumbing | — |
| GERRYN ENERGY LLC | C1539 | Electrical | — |
| GG TELECOMMUNICATION CO | 34-248CLE | Electrical | — |
GRACIE ELECTRIC
GRACIE ELECTRIC LLC | C1628 | Electrical | — |
| GREGORY PACIFIC CORP | 34-456PB | Plumbing | — |
| GUARDIAN SYSTEMS NW INC | 34-222CLE | Electrical | — |
| HANNAH SIGN SYSTEMS INC | CLS34 | Electrical | — |
| HANSEN TECHNOLOGY GROUP LLC | CLE581 | Electrical | — |
| HARDER MECHANICAL CONTRACTORS INC | B99-2272 | Boiler | — |
| HARDER MECHANICAL CONTRACTORS INC | LHR492 | Electrical | — |
| HARDER MECHANICAL CONTRACTORS INC | 26-35PB | Plumbing | — |
| HATFIELD COMMUNICATIONS LLC | CLE49 | Electrical | — |
| HEILIG DEVELOPMENT LLC | PB3355 | Plumbing | — |
HENCO PLUMBING;MELTONS HEATING & AIR CONDITIONING; PACIFIC PLUMBING AND ROOTER;PIPELINE PLUMBING,HEATING,COOLING & ELECTRICAL;SUNSET PL
SUNSET HEATING COOLING & PLUMBING LLC | BB335 | Boiler | — |
HENCO PLUMBING;MELTONS HEATING & AIR CONDITIONING; PACIFIC PLUMBING AND ROOTER;PIPELINE PLUMBING,HEATING,COOLING & ELECTRICAL;SUNSET PL
SUNSET HEATING COOLING & PLUMBING LLC | C1761 | Electrical | — |
HENCO PLUMBING;MELTONS HEATING & AIR CONDITIONING; PACIFIC PLUMBING AND ROOTER;PIPELINE PLUMBING,HEATING,COOLING & ELECTRICAL;SUNSET PL
SUNSET HEATING COOLING & PLUMBING LLC | CLE756 | Electrical | — |
HENCO PLUMBING;MELTONS HEATING & AIR CONDITIONING; PACIFIC PLUMBING AND ROOTER;PIPELINE PLUMBING,HEATING,COOLING & ELECTRICAL;SUNSET PL
SUNSET HEATING COOLING & PLUMBING LLC | LHR647 | Electrical | — |
HENCO PLUMBING;MELTONS HEATING & AIR CONDITIONING; PACIFIC PLUMBING AND ROOTER;PIPELINE PLUMBING,HEATING,COOLING & ELECTRICAL;SUNSET PL
SUNSET HEATING COOLING & PLUMBING LLC | LMS544 | Electrical | — |
HENCO PLUMBING;MELTONS HEATING & AIR CONDITIONING; PACIFIC PLUMBING AND ROOTER;PIPELINE PLUMBING,HEATING,COOLING & ELECTRICAL;SUNSET PL
SUNSET HEATING COOLING & PLUMBING LLC | PB2795 | Plumbing | — |
HENCO PLUMBING;MELTONS HEATING & AIR CONDITIONING;PACIFIC PLUMBING AND ROOTER;PIPELINE PLUMBING,HEATING,COOLING & ELECTRICAL;SUNSET PLM
SUNSET HEATING COOLING & PLUMBING LLC | CRE321 | Electrical | — |
| HOLLYWOOD LIGHTS INC | 26-673C | Electrical | — |
| HSI SECURITY SYSTEMS INC | CLE442 | Electrical | — |
| HUNTER DAVISSON INC | B04-1182 | Boiler | — |
| HUNTER DAVISSON INC | 26-682CLE | Electrical | — |
| HUNTER DAVISSON INC | 383LHR | Electrical | — |
| HUNTER DAVISSON INC | PB1373 | Plumbing | — |
| HUNTERS LEGACY PLUMBING LLC | PB3384 | Plumbing | — |
HUSER INTEGRATED TECHNOLOGIES INC
HIT HOLDING INC | CLE464 | Electrical | — |
HYPHN
NEWJEE LLC | CLE589 | Electrical | — |
| INDIGO ELECTRIC LLC | C2193 | Electrical | — |
| INNER CITY PLUMBING INC | PB1346 | Plumbing | — |
| INNOVA BUILDER LLC | LHR696 | Electrical | — |
| INTERNATIONAL LINE BUILDERS INC | C1253 | Electrical | — |
| J Dodge Construction LLC | PB1682 | Plumbing | — |
| JACOBS HEATING & AIR CONDITIONING INC | B03-1134 | Boiler | — |
| JACOBS HEATING & AIR CONDITIONING INC | 26-807CRE | Electrical | — |
| JACOBS HEATING & AIR CONDITIONING INC | 704LHR | Electrical | — |
| JACOBS HEATING & AIR CONDITIONING INC | LMS136 | Electrical | — |
| JACOBS HEATING & AIR CONDITIONING INC | 26-548PB | Plumbing | — |
JAM PLUMBING
J A M CONCEPT REMODELING LLC | PB1452 | Plumbing | — |
| JARMER ELECTRIC INC | 26-144C | Electrical | — |
| JENS EDWARDS ELECTRIC LLC | C675 | Electrical | — |
| JET ELECTRIC INC | 26-1068C | Electrical | — |
JIREH INDUSTRIAL SERVICES
JIREH CONSTRUCTION INC | PB679 | Plumbing | — |
JON CHALMER KONELL
KONELL EXCAVATION INC | 26-796PB | Plumbing | — |
JS3
JSTHREE LLC | BB341 | Boiler | — |
JS3
JSTHREE LLC | PB3521 | Plumbing | — |
| JUST PLUMBING CO | LMS293 | Electrical | — |
| JUST PLUMBING CO | PB231 | Plumbing | — |
| KIRBY ELECTRIC LLC | C1803 | Electrical | — |
| KOMBIS INC | LHR738 | Electrical | — |
KRUSE PLUMBING
LOVETT HOLDINGS LLC | BB361 | Boiler | — |
KRUSE PLUMBING
LOVETT HOLDINGS LLC | PB2479 | Plumbing | — |
| LANCE PACIFIC LLC | CLE450 | Electrical | — |
| LARSEN & SON PLUMBING CO INC | 26-281PB | Plumbing | — |
| LAZERBEAM ELECTRIC LLC | C2169 | Electrical | — |
| LD PLUMBING LLC | PB3551 | Plumbing | — |
| LIFETIME ELECTRIC LLC | C2242 | Electrical | — |
LIMITED ENERGY ELECTRICIANS
WIRE NUTS INC | 26-1114CLE | Electrical | — |
| LIT HOMES INC | PFS842 | Prefab | — |
| LNE ELECTRIC LLC | C1781 | Electrical | — |
| LORENTZ BRUUN CO | PFS703 | Prefab | — |
| LOTUS PLUMBING COMPANY | PB815 | Plumbing | — |
| LOVES PLUMBING LLC | PM46 | Combo License | — |
LOVETT SERVICES
LOVETT INC | BB401 | Boiler | — |
LOVETT SERVICES
LOVETT INC | LMS644 | Electrical | — |
LOVETT SERVICES
LOVETT INC | 26-773PB | Plumbing | — |
| LTE ELECTRICAL & CONSTRUCTION SERVICES LLC | C2094 | Electrical | — |
| LTT PARTNERS LLC | CLE608 | Electrical | — |
| M LEON CONSTRUCTION LLC | PB3719 | Plumbing | — |
| MASCOTT EQUIPMENT CO INC | B04-1162 | Boiler | — |
| MASCOTT EQUIPMENT CO INC | LMS145 | Electrical | — |
| MASON HOME REMODEL LLC | PB3207 | Plumbing | — |
| MASTERWORKS PLUMBING CO LLC | PB3724 | Plumbing | — |
| MAY TECHNOLOGIES INC | CLE272 | Electrical | — |
| MC ELECTRIC LLC | C1830 | Electrical | — |
| MENG HANNAN CONSTRUCTION CO INC | 26-746PB | Plumbing | — |
| MESECHER PLUMBING LLC | PB2593 | Plumbing | — |
| METICULOUS HOME SERVICES LLC | LMS130 | Electrical | — |
| METICULOUS HOME SERVICES LLC | PB733 | Plumbing | — |
| METRO OVERHEAD DOOR INC | 26-1073CLE | Electrical | — |
| METRO SAFETY & FIRE INC | 26-1154CLE | Electrical | — |
| MICKS PLUMBING INC | PB1878 | Plumbing | — |
| MILLENNIUM BUILDING SERVICES INC | LMS434 | Electrical | — |
| MILLER CONSULTING ENGINEERS INC | SRB39 | Certification | — |
| MILWAUKIE EV CHARGING LLC | C2236 | Electrical | — |
| MINYARD PLUMBING LLC | PB620 | Plumbing | — |
MODS PDX INC
NATHAN D YOUNG CONSTRUCTION INC | PB3616 | Plumbing | — |
| MODS PDX INC. | PFS715 | Prefab | — |
| MOXON PLUMBING SERVICES LLC | PB3255 | Plumbing | — |
| MVP ELECTRIC LLC | C2008 | Electrical | — |
| NEIL KELLY CO INC | C984 | Electrical | — |
| NORTHWEST HEATING & COOLING INC | BB269 | Boiler | — |
| NORTHWEST INFRASTRUCTURE LLC | PB1105 | Plumbing | — |
| NORTHWEST PUMP & EQUIPMENT CO | B99-2010 | Boiler | — |
| OEG INC | 26-95C | Electrical | — |
| OEG INC | 26-1158LMS | Electrical | — |
OLVERA FAMILY HEATING & COOLING LLC
OLVERA & SONS HEATING & COOLING LLC | CRE279 | Electrical | — |
OLVERA FAMILY HEATING & COOLING LLC
OLVERA & SONS HEATING & COOLING LLC | LHR577 | Electrical | — |
OLVERA FAMILY HEATING & COOLING LLC
OLVERA & SONS HEATING & COOLING LLC | PB3652 | Plumbing | — |
ONE HOUR HEATING AND AIR CONDITIONING
SPARROWHAWK VENTURES CORPORATION | LHR783 | Electrical | — |
| ONEILL CONSTRUCTION GROUP INC | 26-1003C | Electrical | — |
| ORBIT HEATING AND COOLING LLC | LHR670 | Electrical | — |
| ORBIT HEATING AND COOLING LLC | LMS627 | Electrical | — |
| ORBIT HEATING AND COOLING LLC | PB3406 | Plumbing | — |
| OREGON AIRE INC | BB298 | Boiler | — |
| OREGON AIRE INC | 26-1072CLE | Electrical | — |
| OREGON AIRE INC | LHR198 | Electrical | — |
| OREGON CONTRACTING LLC | PB2908 | Plumbing | — |
| ORION ELECTRIC PNW INC | C2007 | Electrical | — |
| OTIS ELEVATOR CO | EM2 | Combo License | — |
| P B ELECTRIC INC | 3-428C | Electrical | — |
| PACIFIC MECHANICAL LLC | PB441 | Plumbing | — |
| PACIFIC NORTHWEST HVAC INC | LMS409 | Electrical | — |
| PACIFIC RIM BIOMEDICAL LLC | BB147 | Boiler | — |
| PACIFIC RIVERS PLUMBING LLC | LMS665 | Electrical | — |
| PACIFIC RIVERS PLUMBING LLC | PB3542 | Plumbing | — |
| PANDA PLUMBING LLC | PB2288 | Plumbing | — |
| PARAGON PLUMBING LLC | LMS579 | Electrical | — |
| PARAGON PLUMBING LLC | PB2844 | Plumbing | — |
| PATIO INNOVATIONS INC | PB2446 | Plumbing | — |
| PAVELCOMM INC | 26-559CLE | Electrical | — |
| PDX ELEVATOR SAFETY TESTING & STANDBY LLC | EM27 | Combo License | — |
| PDX HEATING & COOLING LLC | LHR463 | Electrical | — |
| PDX PLUMBER LLC | LMS624 | Electrical | — |
| PDX PLUMBER LLC | PB3400 | Plumbing | — |