Companies in smaller places — page 1 of 4
Localities with fewer than 10 listed entries — 1,034 in all.
| Place | Company | License number | Profession | Since |
|---|---|---|---|---|
| — | 8444-C AITKEN RD CHILLAWACK BC V2R 3W8 HEWING HAUS MODULAR HOMES LTD | PFS867 | Prefab | — |
| — | COLLECTIVE CARPENTRY LTD | PFC869 | Prefab | — |
| — | ONE 4 HAUL (2014) LTD | PFS812 | Prefab | — |
| — | PACIFIC ENCLOSURES LTD | PFS780 | Prefab | — |
| — | PTW STRUCTURAL SOLUTIONS LTD | PFS834 | Prefab | — |
| Adams, OR | BLACK MOUNTAIN CONTRACTING LLC | CRE318 | Electrical | — |
| Adams, OR | BLACK MOUNTAIN CONTRACTING LLC | LHR644 | Electrical | — |
| Adrian, OR | STATELINE PLUMBING & DRAIN LLC | PB3672 | Plumbing | — |
| Akron, OH | BABCOCK & WILCOX CONSTRUCTION CO LLC | BB252 | Boiler | — |
| Alameda, CA | MODERN RAILWAY SYSTEMS INC | C1930 | Electrical | — |
| Alameda, CA | MODERN RAILWAY SYSTEMS INC | CLE669 | Electrical | — |
| Allentown, PA | AIR PRODUCTS AND CHEMICALS INC | BB371 | Boiler | — |
| Aloha, OR | A-ACTION HEATING AND COOLING INC JKS ENTERPRISES INC | LHR688 | Electrical | — |
| Aloha, OR | AURORA ELECTRIC LLC | C1764 | Electrical | — |
| Aloha, OR | ELECTRICAL CONTROL SERVICES ELECTRICAL CONTROL SERVICES LLC | C1447 | Electrical | — |
| Aloha, OR | OMNI ELECTRIC INC BROTHERS ELECTRIC INC | C297 | Electrical | — |
| Aloha, OR | POINT PLUMBING LLC | PB856 | Plumbing | — |
| Aloha, OR | PRIDE LTD ENERGY INC | CLE308 | Electrical | — |
| Alpharetta, GA | LIN R ROGERS ELECTRICAL CONTRACTORS INC | 37-727C | Electrical | — |
| Alpharetta, GA | LIN R ROGERS ELECTRICAL CONTRACTORS INC | LMS257 | Electrical | — |
| Amboy, WA | BREAKING GROUND EXCAVATION INC | PB2944 | Plumbing | — |
| Amboy, WA | REDBIRD 6 ELECTRIC KLAW INDUSTRIES LLC | C2214 | Electrical | — |
| Amboy, WA | TRUE PLUMBING COMPANY LLC | LMS614 | Electrical | — |
| Amboy, WA | TRUE PLUMBING COMPANY LLC | PB2971 | Plumbing | — |
| Amboy, WA | WIND RIVER ELECTRIC LLC | C2014 | Electrical | — |
| American Fork, UT | LIVEVIEW TECHNOLOGIES INC | CLE793 | Electrical | — |
| Amherst, NY | CRST HOME SOLUTIONS INSTALLS LLC | C1986 | Electrical | — |
| Amherst, NY | CRST HOME SOLUTIONS INSTALLS LLC | PB3227 | Plumbing | — |
| Amity, OR | CARTON ELECTRIC INC | 36-120C | Electrical | — |
| Amity, OR | DEL ELECTRIC OR INC | C1037 | Electrical | — |
| Amity, OR | GPEC INC GREEN POWER ELECTRICAL CONTRACTORS INC | C737 | Electrical | — |
| Amity, OR | HOOD TO COAST ELECTRIC LLC | C1180 | Electrical | — |
| Amity, OR | MCMULLEN ELECTRIC INC | C915 | Electrical | — |
| Amity, OR | TC ELECTRIC LLC | C1135 | Electrical | — |
| Anaheim, CA | SECURITY SIGNAL DEVICES INC | 37-945CLE | Electrical | — |
| Anderson, CA | LINKUS ENTERPRISES LLC | CLE673 | Electrical | — |
| Anderson, CA | LINKUS ENTERPRISES LLC | CLR53 | Electrical | — |
| Ann Arbor, MI | SYNERGY SOFTWARE & CONSULTING LLC | CLE791 | Electrical | — |
| Arvada, CO | CRUSOE COMPANY | PFS814 | Prefab | — |
| Arvada, CO | GOODPWR SOLAR LLC | C2247 | Electrical | — |
| Atlanta, GA | TK ELEVATOR CORPORATION | EM11 | Combo License | — |
| Auburn, WA | EAGLE ELECTRIC OF AUBURN LLC | C2067 | Electrical | — |
| Auburn, WA | EFFICIENT COMMUNICATION SOLUTIONS INC | CLE217 | Electrical | — |
| Auburn, WA | ESSENTIAL HEATING AND AIR ESSENTIAL MECHANICAL LLC | CRE359 | Electrical | — |
| Auburn, WA | TIMBERLAND HOMES INC | 282PFS | Prefab | — |
| Austin, TX | CLEARESULT CONSULTING INC | CRE168 | Electrical | — |
| Avon, MN | BLATTNER ENERGY LLC | C1714 | Electrical | — |
| Azusa, CA | ARCTIC INDUSTRIES LLC | 442PFC | Prefab | — |
| Baltimore, MD | AUMSVILLE PLANT-9493 PORTER RD WILLIAMS SCOTSMAN INC | PFS763 | Prefab | — |
| Baltimore, MD | WILLIAMS SCOTSMAN INC | C2088 | Electrical | — |
| Baltimore, MD | WILLIAMS SCOTSMAN INC | LHR675 | Electrical | — |
| Baltimore, MD | WILLIAMS SCOTSMAN INC | PB3323 | Plumbing | — |
| Bandon, OR | AVERY SERVICES LLC | 6-68PB | Plumbing | — |
| Bandon, OR | BANDON WELL & PUMP COMPANY BANDON WELL & SEPTIC CO INC | 422CPI | Electrical | — |
| Bandon, OR | BANDON WELL & SEPTIC CO INC | 6-70PB | Plumbing | — |
| Bandon, OR | FREESTYLE BUILDERS COAST ELECTRIC INC | C237 | Electrical | — |
| Bandon, OR | KEITH PHILLINGANE LLC | PB3723 | Plumbing | — |
| Baton Rouge, LA | ISC CONSTRUCTORS LLC | C1968 | Electrical | — |
| Baton Rouge, LA | MMR CONSTRUCTORS INC | C1257 | Electrical | — |
| Battleground, WA | ALL COUNTY PLUMBING LLC | PB3268 | Plumbing | — |
| Bay City, OR | CHERRY PLUMBING INC | 29-42PB | Plumbing | — |
| Bay City, OR | JM EXCAVATING LLC | PB3518 | Plumbing | — |
| Bay City, OR | SHORELINE ELECTRIC LLC | C2144 | Electrical | — |
| Bay City, OR | TILLAMOOK SEPTIC INC | PB3258 | Plumbing | — |
| Belgrade, MT | BIG SKY INSULATIONS INC | 152PFC | Prefab | — |
| Bell City, LA | DUPONT BUILDING INC | 162PFS | Prefab | — |
| Bellevue, WA | PRIME ELECTRIC LLC A LIMITED LIABILITY COMPANY OF WASHINGTON | C2210 | Electrical | — |
| Bellevue, WA | TUBE ART SIGNS & SPORTS DISPLAYS TUBE ART DISPLAYS INC | 37-554CLS | Electrical | — |
| Bellingham, WA | HASKELL CORP | BB130 | Boiler | — |
| Bessemer, AL | MODULAR CONNECTIONS LLC | PFS628 | Prefab | — |
| Beverly, MA | DALKIA ENERGY SOLUTIONS LLC | LMS542 | Electrical | — |
| Blairsville, GA | PANEL BUILT INC | PFS857 | Prefab | — |
| Blissfield, MI | PFB MANUFACTURING LLC | PFC860 | Prefab | — |
| Blodgett, OR | TM ELECTRIC LLC | C2225 | Electrical | — |
| Blue River, OR | NORMS PLUMBING LLC | PB1115 | Plumbing | — |
| Bly, OR | HOLGATE PLUMBING INC | PB2905 | Plumbing | — |
| Boardman, OR | 70 DEGREES HEATING & COOLING LLC | CRE84 | Electrical | — |
| Boardman, OR | 70 DEGREES HEATING & COOLING LLC | LHR216 | Electrical | — |
| Boardman, OR | HANLEY ENERGY ELECTRICAL LLC | C1538 | Electrical | — |
| Boca Raton, FL | ADT LLC | CLE317 | Electrical | — |
| Boca Raton, FL | EVERON LLC | CLE595 | Electrical | — |
| Boca Raton, FL | JOHNSON CONTROLS INC | B99-2310 | Boiler | — |
| Boca Raton, FL | JOHNSON CONTROLS INC | 26-216CLE | Electrical | — |
| Boca Raton, FL | JOHNSON CONTROLS SECURITY SOLUTIONS LLC | CLE322 | Electrical | — |
| Bonanza, OR | COUGAR RIDGE ELECTRICAL SERVICES LLC | C1771 | Electrical | — |
| Bothell, WA | COLUMBIA NW HEATING OR LLC | C1637 | Electrical | — |
| Bothell, WA | COLUMBIA NW HEATING OR LLC | LHR484 | Electrical | — |
| Bothell, WA | COLUMBIA NW HEATING OR LLC | LMS457 | Electrical | — |
| Bothell, WA | COLUMBIA NW HEATING OR LLC | PB2523 | Plumbing | — |
| Bothell, WA | CONTROL SYSTEMS NW LLC | C1520 | Electrical | — |
| Bowie, TX | B2 PARTNERS LLC | PFS882 | Prefab | — |
| Brandon, SD | THERMO BOND BUILDINGS LLC | PFS856 | Prefab | — |
| Brea, CA | COOLSYS COMMERCIAL & INDUSTRIAL SOLUTIONS INC | B01-1070 | Boiler | — |
| Brea, CA | COOLSYS COMMERCIAL & INDUSTRIAL SOLUTIONS INC | C546 | Electrical | — |
| Brea, CA | COOLSYS COMMERCIAL & INDUSTRIAL SOLUTIONS INC | 37-1059CLE | Electrical | — |
| Brea, CA | COOLSYS COMMERCIAL & INDUSTRIAL SOLUTIONS INC | 37-940CRE | Electrical | — |
| Brea, CA | COOLSYS COMMERCIAL & INDUSTRIAL SOLUTIONS INC | 808LHR | Electrical | — |
| Brea, CA | COOLSYS COMMERCIAL & INDUSTRIAL SOLUTIONS INC | 37-1060LMS | Electrical | — |
| Bridgewater, NJ | MESSER LLC | BB306 | Boiler | — |
| Brigham City, UT | MOUNTAIN WEST PRECAST LLC | PFS835 | Prefab | — |
| Brightwood, OR | DAVID LINN TRUCKING AND EXCAVATING LLC | PB1790 | Plumbing | — |
| Brightwood, OR | GILL ELECTRIC CO | C1077 | Electrical | — |
| Brisbane, CA | COOL SOLUTIONS MFG INC | PFC586 | Prefab | — |
| Broken Arrow, OK | ADVANCE ALARMS INC | CLE700 | Electrical | — |
| Brookings, OR | AARON HODGE ELECTRIC QUALIFIED ELECTRIC LLC | C2135 | Electrical | — |
| Brookings, OR | AUSTIN ELECTRIC LLC | C931 | Electrical | — |
| Brookings, OR | BROOKINGS ELECTRONIC SERVICE INC | 8-12C | Electrical | — |
| Brookings, OR | GOWMAN ELECTRIC INC | C960 | Electrical | — |
| Brookings, OR | MCLENNAN EXCAVATION INC | PB2784 | Plumbing | — |
| Brookings, OR | STADELMAN ELECTRIC INC | 8-21C | Electrical | — |
| Brookings, OR | Y BULL SEPTIC & EXCAVATING LLC | CPI48 | Electrical | — |
| Brooks, OR | ABIQUA ELECTRIC LLC | 24-459C | Electrical | — |
| Brooks, OR | TRUE NORTH ELECTRIC LLC | C1006 | Electrical | — |
| Broomfield, CO | CML SECURITY LLC | CLE531 | Electrical | — |
| Broomfield, CO | MWH CONSTRUCTORS INC | BB315 | Boiler | — |
| Brownsville, OR | ADVANCED MECHANICAL INC | B01-1065 | Boiler | — |
| Brownsville, OR | AR CRAVEN CONTRACTING LLC | BB399 | Boiler | — |
| Brownsville, OR | CURTIS EXCAVATION LLC | PB3643 | Plumbing | — |
| Brownsville, OR | D HART PLUMBING LLC | PB1778 | Plumbing | — |
| Brownsville, OR | GEMINI CORP | BP31 | Combo License | — |
| Brownsville, WI | MICHELS PACIFIC ENERGY INC | C1623 | Electrical | — |
| Brownsville, WI | MICHELS POWER INC | C1580 | Electrical | — |
| Brownsville, OR | NORMS ELECTRIC INC | 22-26C | Electrical | — |
| Brownsville, OR | NORTHWEST ELECTRICAL CONSTRUCTION INC | 22-186C | Electrical | — |
| Buffalo Grove, IL | SIEMENS INDUSTRY INC | C812 | Electrical | — |
| Buffalo Grove, IL | SIEMENS INDUSTRY INC | 37-962CLE | Electrical | — |
| Burbank, CA | KEY CODE MEDIA INC | CLE767 | Electrical | — |
| Burbank, CA | REPIPE SPECIALISTS NATIONAL RENOVATIONS LLC A LIMITED LIABILITY COMPANY OF DELAWARE | PB2580 | Plumbing | — |
| Burns, OR | BURNS ELECTRIC JOKERS WILD INC | C189 | Electrical | — |
| Burns, OR | COLUMBIA PLUMBING SERVICES INC | 26-603PB | Plumbing | — |
| Burns, OR | FLASH ELECTRIC INC | 13-13C | Electrical | — |
| Burns, OR | HENSON HEATING & AIR CONDITIONING LLC | CRE320 | Electrical | — |
| Burns, OR | HENSON HEATING & AIR CONDITIONING LLC | LHR646 | Electrical | — |
| Burns, OR | SILVIES RIVER ELECTRIC AND CONSTRUCTION LLC | C1336 | Electrical | — |
| Burns, OR | SURETAP SPRINGS LLC | CPI197 | Electrical | — |
| Butte Falls, OR | BUTTE CREEK PLUMBING LLC | PB2712 | Plumbing | — |
| Butte Falls, OR | NORTH BOUND ELECTRIC LLC | C2181 | Electrical | — |
| Camas Valley, OR | CAMTRONICS INC | C961 | Electrical | — |
| Cannon Beach, OR | ACOUSTIC VENTURES INC | CLE746 | Electrical | — |
| Cannon Beach, OR | CANNON BEACH ELECTRIC CO | 4-25C | Electrical | — |
| Canton, MA | WILLAMETTE ELEVATOR SPECIALIZED ELEVATOR CORP | ECM31 | Elevator | — |
| Canyon City, OR | APEX HVAC & REFRIGERATION INC | LHR543 | Electrical | — |
| Canyon City, OR | APEX HVAC & REFRIGERATION INC | LMS497 | Electrical | — |
| Canyon City, OR | RANDLEAS CONSTRUCTION LLC | PM60 | Combo License | — |
| Canyonville, OR | HANNIGAN ELECTRIC LLC | C1457 | Electrical | — |
| Canyonville, OR | UMPQUA CONSTRUCTION SERVICES CORP | C1063 | Electrical | — |
| Capitol Heights, MD | C3M POWER SYSTEMS LLC | C1691 | Electrical | — |
| Carlsbad, CA | BERGELECTRIC CORP | 37-682C | Electrical | — |
| Carlton, OR | BRIGHTSIDE ELECTRIC & LIGHTING SERVICES CO BRIGHTSIDE ELECTRIC & LIGHTING SERVICES INC | 36-110C | Electrical | — |
| Carlton, OR | COMFORT CONTROL HEATING INC | 36-88CLE | Electrical | — |
| Carlton, OR | COMFORT CONTROL HEATING INC | CRE134 | Electrical | — |
| Carlton, OR | COMFORT CONTROL HEATING INC | LHR341 | Electrical | — |
| Carlton, OR | CORE EXCAVATION AND CONSTRUCTION LLC | PB2389 | Plumbing | — |
| Carlton, OR | GLOW ELECTRIC GLOW ELECTRIC LLC | C2151 | Electrical | — |
| Carlton, OR | LAWSON CORP | PB1971 | Plumbing | — |
| Carlton, OR | THE GREAT NORTHWEST CONSTRUCTION SERVICES LLC | LHR749 | Electrical | — |
| Carrollton, GA | AUBREY SILVEY ENTERPRISES INC | C1555 | Electrical | — |
| Carson, WA | CARSON VALLEY HEATING AND AIR LLC | LHR683 | Electrical | — |
| Cary, NC | ABB DE INC ABB INC | C1477 | Electrical | — |
| Cashmere, WA | BETHLEHEM CONSTRUCTION INC | PFC533 | Prefab | — |
| Cave Junction, OR | OREGON SOLARWORKS LLC | CLR32 | Electrical | — |
| Cedar Rapids, IA | 8100 CABOT AVE #12 MEDFORD MN 55049 CELLSITE SOLUTIONS LLC | PFS868 | Prefab | — |
| Cedar Rapids, IA | CELLSITE SOLUTIONS LLC | PFS871 | Prefab | — |
| Centennial, CO | ADVANCED ALARM SYSTEMS;CASCADE FIRE PROTECTION;DELTA FIRE SYSTEMS; WESTERN STATES FIRE PROTECTION COMPANY API GROUP LIFE SAFETY USA LLC | CLE688 | Electrical | — |
| Centennial, CO | MASTEC INDUSTRIAL CORP | BE5 | Combo License | — |
| Centralia, IL | ENGINEERED FLUID INC | PFS736 | Prefab | — |
| Centralia, IL | ENGINEERED FLUID INC | PFS738 | Prefab | — |
| Cerritos, CA | RMI REFRIGERATOR MANUFACTURERS LLC | 137PFC | Prefab | — |
| Champlin, MN | STATES MANUFACTURING CORPORATION | PFS714 | Prefab | — |
| Chantilly, VA | PAVION CORP | CLE764 | Electrical | — |
| Charleston, IL | SAFETY STORAGE INC | 331PFS | Prefab | — |
| Charlotte, NC | CARRIER CORPORATION | BB291 | Boiler | — |
| Charlotte, NC | CARRIER CORPORATION | LHR28 | Electrical | — |
| Charlotte, NC | CBRE GWS LICENTIA LLC | C1870 | Electrical | — |
| Charlotte, NC | CBRE GWS LICENTIA LLC | LHR628 | Electrical | — |
| Charlotte, NC | CBRE GWS LICENTIA LLC | LMS531 | Electrical | — |
| Charlotte, NC | CBRE GWS LICENTIA LLC | PB3090 | Plumbing | — |
| Charlotte, NC | PALMETTO SOLAR LLC | C1841 | Electrical | — |
| Chaska, MN | BAILIWICK SERVICES LLC | C1526 | Electrical | — |
| Cheshire, OR | BALANCED ELECTRIC INC | C934 | Electrical | — |
| Cheshire, OR | RESISTANCE GENERATION LLC | C2197 | Electrical | — |
| Cheshire, OR | SPRING WELL PLUMBING INC | PM63 | Combo License | — |
| Cheshire, OR | WATER SOURCERS ATMOSFLOW LLC | PB3485 | Plumbing | — |
| Chesterfield, MO | PORTA-FAB CORPORATION | PFC555 | Prefab | — |
| Chesterfield, MO | PORTA-FAB CORPORATION | PFS622 | Prefab | — |
| Chicago, IL | JONES LANG LASALLE AMERICAS INC | CRE122 | Electrical | — |
| Chicago, IL | JONES LANG LASALLE AMERICAS INC | LMS286 | Electrical | — |
| Chicago, IL | JONES LANG LASALLE AMERICAS INC | PB1221 | Plumbing | — |
| Chillicothe, IL | CHILLICOTHE METAL CO | PFS864 | Prefab | — |
| Chinook, WA | KWIC COLD MECHANICAL LLC | BB303 | Boiler | — |
| Chinook, WA | KWIC COLD MECHANICAL LLC | LHR443 | Electrical | — |
| Christmas Valley, OR | EIDE ELECTRIC & IRRIGATION LLC | 19-13C | Electrical | — |
| Christmas Valley, OR | HANDDE PUMP & ELECTRIC INC | 19-5C | Electrical | — |
| Christmas Valley, OR | PAXTON PIPE & EXCAVATION INC | PB3504 | Plumbing | — |
| Chubbuck, ID | BIG DOG RENEWABLE ENERGY LLC | C1044 | Electrical | — |
| Cincinnati, OH | EMCOR FACILITIES SERVICES INC | C1863 | Electrical | — |
| Cincinnati, OH | EMCOR FACILITIES SERVICES INC | LHR597 | Electrical | — |
| Cincinnati, OH | EMCOR FACILITIES SERVICES INC | PB3663 | Plumbing | — |
| Clarkston, WA | MA DEATLEY CONSTRUCTION INC | PB1597 | Plumbing | — |
| Clatskanie, OR | FAITHMORE ELECTRIC LLC | C2204 | Electrical | — |
| Clatskanie, OR | HOOD TO COAST HEATING & COOLING INC | LHR534 | Electrical | — |
| Clayton, MO | ATLAS COPCO COMPRESSORS LLC | BB363 | Boiler | — |
| Clayton, NC | PLANT LOCATION: 370 SPECTRUM DR KNIGHTDALE NC 27545 HUBBELL INCORPORATED (DELAWARE) PCX DIVISION | PFS879 | Prefab | — |
| Cle Elum, WA | TOTAL BRAND MANAGEMENT LLC | CLS52 | Electrical | — |
| Clearfield, UT | VK ELECTRIC INC | C1788 | Electrical | — |
| Cleveland, OH | A-WALL BUILDING SYSTEMS BY WARWICK PRODUCTS COMPANY | 470PFC | Prefab | — |
| Clinton, IN | WHITE CONSTRUCTION LLC | C2235 | Electrical | — |
| Cloverdale, OR | G3 ELECTRIC LLC | C1354 | Electrical | — |
| College Place, WA | COLLEGE PLACE HEATING & AIR CONDITIONING INC | CRE184 | Electrical | — |
| College Place, WA | COLLEGE PLACE HEATING & AIR CONDITIONING INC | LHR418 | Electrical | — |
| Colton, OR | BINFORD EXCAVATION LLC | PB3539 | Plumbing | — |
| Colton, OR | CONNECT PLUMBING LLC | 3-569PB | Plumbing | — |
| Colton, OR | DLD CONSTRUCTION LLC | PB3458 | Plumbing | — |
| Colton, OR | JW GEOTHERMAL INC | CLE610 | Electrical | — |
| Colton, OR | STURM ELEVATOR INC | EM9 | Combo License | — |
| Colton, OR | TIGHT LINES PLUMBING LLC | PB3667 | Plumbing | — |
| Colton, OR | WESTERN SUPERIOR ELECTRIC LLC | C802 | Electrical | — |
| Columbia City, OR | PACIFIC PIPES PLUMBING PACIFIC PIPES PLUMBING LLC | PB2983 | Plumbing | — |
| Columbus, IN | CUMMINS INC | C2042 | Electrical | — |
| Commerce City, CO | JOAQUIN MFG CORP | PFS877 | Prefab | — |
| Compton, CA | TLM PETRO LABOR FORCE INC | BB343 | Boiler | — |
| Condon, OR | HAMS PLUMBING AND HVAC LLC | PBH19 | Combo License | — |
| Condon, OR | JAMIESON & MARSHALL INC | B99-2160 | Boiler | — |
| Condon, OR | JAMIESON & MARSHALL INC | 11-4PB | Plumbing | — |
| Conyers, GA | FREY MOSS STRUCTURES INC | 292PFS | Prefab | — |
| Coppell, TX | KINGS III OF AMERICA LLC | EM24 | Combo License | — |
| Coquille, OR | ECONO ROOTER SERVICES INC | 7-169CPI | Electrical | — |
| Coquille, OR | ECONO ROOTER SERVICES INC | 6-81PB | Plumbing | — |
| Coquille, OR | HEMR INDUSTRIAL CONTRACTORS LLC | BB106 | Boiler | — |
| Coquille, OR | M4 ELECTRIC LLC | C1576 | Electrical | — |
| Coquille, OR | MARCA ELECTRIC INC | C733 | Electrical | — |
| Coquille, OR | MUDDY WATERS CONSTRUCTION LLC | CPI257 | Electrical | — |
| Coquille, OR | MURCH ELECTRIC GROUP LLC | C2033 | Electrical | — |
| Coral Gables, FL | MASTEC NETWORK SOLUTIONS LLC | C1026 | Electrical | — |
| Corona, CA | CHAMPION HOME BUILDERS INC | MHB30 | RV and Manuf Dwellings | — |
| Corona, CA | UNITED PARTITION SYSTEMS INC | PFC863 | Prefab | — |
| Cove, OR | BLUE MOUNTAIN SOLAR BLUE MOUNTAIN SOLAR INC | CLR9 | Electrical | — |
| Cove, OR | FRED DAGGETT PLUMBING LLC | PB1733 | Plumbing | — |
| Cove, OR | OVERTON ELECTRIC INC | C198 | Electrical | — |
| Crabtree, OR | ELK MOUNTAIN ELECTRIC COMPANY LLC | C2208 | Electrical | — |
| Cranford, NJ | QE ELECTRICAL SERVICES LLC | C1795 | Electrical | — |
| Crawfordsville, OR | GOLD STAR PLUMBING GOLD STAR PLUMBING LLC | PB3051 | Plumbing | — |
| Crawfordsville, OR | SORENSON INVESTMENTS JBX LLC | PB3598 | Plumbing | — |
| Culver, OR | A-TECH ELECTRIC LLC | C1089 | Electrical | — |
| Culver, OR | EM POWER ELECTRIC LLC | C2233 | Electrical | — |
| Culver, OR | HYRDOTRONICS HYDROTRONICS ENTERPRISES LLC | CPI183 | Electrical | — |
| Culver, OR | PIPE MASTERS LLC | PB1867 | Plumbing | — |
| Dallas, TX | ALLIED UNIVERSAL TECHNOLOGY SERVICES SECURADYNE SYSTEMS INTERMEDIATE LLC | CLE685 | Electrical | — |
| Dallesport, WA | CASEY SCHERTENLEIBS PLUMBING LLC | PB2395 | Plumbing | — |
| Dallesport, WA | JUST CUZ PLUMBING LLP | PB3151 | Plumbing | — |
| Darien, WI | PROFESSIONAL POWER PRODUCTS INC | PFS784 | Prefab | — |
| Dayton, OR | HOOD TO COAST PLUMBING LLC | PB2850 | Plumbing | — |
| Dayton, OR | RGA SERVICES INC | PB237 | Plumbing | — |
| Dayton, WA | TIER 1 PLUMBING LLC | PB3565 | Plumbing | — |
| De Pere, WI | ROBINSON INC, A CORPORATION OF WISCONSIN | PFS539 | Prefab | — |
| De Pere, WI | TWEET GAROT MECHANICAL INC | PB2404 | Plumbing | — |
| Dearborn, MI | KLA LABORATORIES INC | CLE781 | Electrical | — |
| Denver, CO | LOENBRO LLC | C1994 | Electrical | — |
| Denver, CO | RK MISSION CRITICAL LLC | PFS791 | Prefab | — |
| Denver, CO | RURAL SOLAR RESTORATION LLC | C2107 | Electrical | — |
| Denville, NJ | GROOME INDUSTRIAL SERVICE GROUP LLC | BB383 | Boiler | — |
| Dexter, OR | MT ZION EXCAVATION INC | PB2921 | Plumbing | — |
| Donald, OR | BEAR ELECTRIC INC | 24-107C | Electrical | — |
| Donald, OR | VALLEY PACIFIC CONSTRUCTION INC | PB243 | Plumbing | — |
| Downers Grove, IL | AM MECHANICAL LLC | BB390 | Boiler | — |
| Drain, OR | ASAP PUMP & WELL SOLUTIONS LLC | CPI238 | Electrical | — |
| Drain, OR | FALCON ICM LLC | CRE375 | Electrical | — |
| Drain, OR | FALCON ICM LLC | LHR784 | Electrical | — |
| Drain, OR | FALCON ICM LLC | PB3483 | Plumbing | — |
| Drain, OR | LINDSEY ELECTRIC LLC | C1921 | Electrical | — |
| Draper, UT | COLD TECH REFRIGERATION LLC | BB309 | Boiler | — |
| Duffield, VA | VFP INC | 148PFS | Prefab | — |
| Dufur, OR | RIDGELINE PLUMBING E ENTERPRISES INC | PB134 | Plumbing | — |
| Dufur, OR | TOM OLSON TRUCKING LLC | PB3365 | Plumbing | — |
| Duluth, MN | THE JAMAR COMPANY | BB373 | Boiler | — |
| Duncan, SC | TEI CONSTRUCTION SERVICES INC | BB297 | Boiler | — |
| Dundee, OR | PLATINUM PLUMBING LLC | PB3202 | Plumbing | — |
| Dundee, OR | THE SAUNDERS COMPANY | 36-101PB | Plumbing | — |
| Durham, OR | AINSWORTH INC | BP89 | Combo License | — |
| Durham, OR | AINSWORTH INC | C2141 | Electrical | — |
| Durham, OR | AINSWORTH INC | CLE683 | Electrical | — |
| East Wenatchee, WA | SHIFLETTS INC | BB157 | Boiler | — |
| East Wenatchee, WA | TERRY D CHURCH | 23182J | Electrical | — |
| Eastanollee, GA | TRACHTE SOUTHEAST, LLC | PFS562 | Prefab | — |
| Echo, OR | EXCLUSIVE ELECTRIC LLC | C2162 | Electrical | — |
| El Dorado Hills, CA | BAYVIEW ENGINEERING & CONSTRUCTION COMPANY INC | BB312 | Boiler | — |
| Elgin, OR | FORTRESS INDUSTRIAL LLC | C2229 | Electrical | — |
| Elk Point, SD | THERMO BOND BUILDINGS LLC | 410PFS | Prefab | — |
| Elkton, OR | ELK MOUNTIAN PLUMBING INC | CPI228 | Electrical | — |
| Elkton, OR | ELK MOUNTIAN PLUMBING INC | PB1033 | Plumbing | — |
| Elmira, OR | ADVANCED WIRING TECHNOLOGIES LLC | 3901LEA | Electrical | — |
| Elmira, OR | CWPLUMBING LLC | PB3411 | Plumbing | — |
| Emmett, ID | RHINO PLUMBING INC | 26-640PB | Plumbing | — |
| Englewood, CO | E LIGHT ELECTRIC SERVICES INC | C1895 | Electrical | — |
| Englewood, CO | RELIANCE ELECTRIC INC | C783 | Electrical | — |
| Englewood, CO | SBS CISCO INC. DBA CUSTOM INSTRUMENTATION SERVICES CORPORATION | 318PFS | Prefab | — |
| Englewood, CO | TITAN ELECTRIC INC A CORPORATION OF WYOMING | C2187 | Electrical | — |
| Enterprise, OR | DANIEL PAUL EXCAVATION & SERVICES LLC | PB3489 | Plumbing | — |
| Enterprise, OR | ENTERPRISE ELECTRIC & RENTAL INC | C715 | Electrical | — |
| Enterprise, OR | ENTERPRISE ELECTRIC & RENTAL INC | LMS159 | Electrical | — |
Alphabetical order — this site ranks no one. Companies in the Oregon Building Codes Division file of October 3, 2026. Individuals are not on this site. How to read this.