| CARLSON CUSTOM REPAIR LLC | 3523351 | ADDY | 1 |
| CARLSON FARMS JOINT VENTURE | 2363169 | ADDY | 3 |
| CARLSON LOGGING & EXCAVATING INC | 1805790 | ARLINGTON | 1 |
| CARLSON LOGISTICS INC | 2793441 | STANWOOD | 0 |
| CARLSON PAVING PRODUCTS INC | 534578 | TACOMA | 1 |
| CARLSON SHEET METAL WORKS INC | 2333361 | SPOKANE | 3 |
| CARLSON STEEL WORKS INC | 2366465 | BELLINGHAM | 6 |
| CARLSON'S INC | 2029345 | PROSSER | 1 |
| CARLSON'S QUALITY PRODUCE | 2336762 | ELLENSBURG | 1 |
| CARLSTROM CONSTRUCTION LLC | 3400690 | SHELTON | 1 |
| CARLTON FARMS INC | 1723276 | DAYTON | 30 |
| CARLYON BEACH HOMEOWNERS ASSOCIATION | 1895401 | OLYMPIA | 2 |
| CARMAN'S CONSTRUCTION LLC | 2019131 | OAK HARBOR | 1 |
| CARMEN KAY PETERSON | 2394448 | REPUBLIC | 1 |
| CARMONA CONSTRUCTION LLC | 3371799 | MARYSVILLE | 1 |
| CARMONA CONSTRUCTION LLC | 3330833 | MARYSVILLE | 0 |
| CARNAI TRAILERS INC | 818645 | SPOKANE VALLEY | 1 |
| CARNALES TRUCKING LLC | 4317344 | PROSSER | 2 |
| CARNER & CARNER CONST INC | 2042337 | PACIFIC | 1 |
| CARNEVITA LLC | 4487607 | WENATCHEE | 1 |
| CARNEY CONST INC | 852478 | TOUTLE | 1 |
| CARNICERIA LA CATRINA LLC | 2905568 | PASCO | 2 |
| CARNICERIA LA MAS BARATA | 2204870 | SUNNYSIDE | 1 |
| CARNICERIA LOS AMIGOS 1 INC | 2791692 | MOSES LAKE | 1 |
| CAROL ADCOCK | 566702 | PASCO | 2 |
| CAROL WOODLEY | 4090035 | PORT HADLOCK | 1 |
| CAROLINE BACKMAN | 2344839 | CATHLAMET | 1 |
| CAROLS GARNICA | 2086423 | EAST WENATCHEE | 1 |
| CAROLYN D ARY | 1063809 | WINLOCK | 1 |
| CAROLYN MCKENZIE | 2082678 | SUNNYSIDE | 1 |
| CAROLYN N ELLIOTT | 2414064 | AUBURN | 2 |
| CAROLYN RICE | 1524186 | SNOHOMISH | 1 |
| CAROLYN WICKHAM | 2124122 | ROCHESTER | 1 |
| CAROSAN ENTERPRISES LTD | 826986 | CASTLE ROCK | 4 |
| CARPATHIAN EXPRESS LLC | 4354483 | FIFE | 10 |
| CARPENTER DRILLING LLC | 1239834 | BENTON CITY | 10 |
| CARPENTER FARMS INC | 1897148 | GRANGER | 1 |
| CARPENTER RANCHES LLC | 2009684 | GRANGER | 3 |
| CARPENTER TRUCKING & EXCAVATING | 1893316 | SEDRO-WOOLLEY | 1 |
| CARPET CONNECTION INC | 2271288 | FRIDAY HARBOR | 1 |
| CARPET LIQUIDATORS LLC | 2442530 | SEATTLE | 2 |
| CARPINITO BROTHERS INC | 1482752 | KENT | 17 |
| CARPORTS OF WASHINGTON INC | 2817340 | SOUTH PRAIRIE | 5 |
| CARR FARMS LLC | 843693 | PASCO | 23 |
| CARRASCO'S TRANSPORT LLC | 1880750 | ZILLAH | 1 |
| CARRELL CRANE & HEAVY HAULING INC | 236677 | YAKIMA | 2 |
| CARREON LANDSCAPING LLC | 4196199 | SEDRO WOOLLEY | 1 |
| CARREON LANDSCAPING LLC | 4323525 | SEDRO WOOLLEY | 1 |
| CARREON TRUCKING LLC | 1285160 | PASCO | 2 |
| CARRIER 3 TRANSPORT LLC | 2964714 | VANCOUVER | 10 |
| CARRIER FIRST LOGISTICS LLC | 3619881 | BELLINGHAM | 0 |
| CARRIER TRANSPORTS INC | 1588677 | YAKIMA | 1 |
| CARRIGAN ENTERPRISES INC | 2367853 | SNOHOMISH | 6 |
| CARRILLO NW TRANSPORT LLC | 8233487 | PASCO | 1 |
| CARROLL - NASLUND DISPOSAL SERVICE INC | 197791 | CLARKSTON | 9 |
| CARROLL R TOLLETT | 1119047 | PO BOX 446 | 1 |
| CARROLL RICHARD A | 276633 | KELSO | 2 |
| CARSO'S PASTA COMPANY INC | 2562679 | LYNNWOOD | 1 |
| CARSON CARS INC | 2379491 | LYNNWOOD | 2 |
| CARSON DESIGN LLC | 4341692 | SEATTLE | 1 |
| CARSTENS SERVICES INC | 3310389 | LYNNWOOD | 1 |
| CART AWAY DUMP SERVICE LLC | 4229448 | SEATTLE | 1 |
| CART HORSE LLC | 3329788 | SPOKANE VLY | 13 |
| CART TECH MAINTENANCE INC | 4267752 | SEATTLE | 1 |
| CARTAGENA TRUCKING COMPANY LLC | 4504069 | KENNEWICK | 1 |
| CARTELLO RECORDS | 7595148 | KENT | 7 |
| CARTER AND CARTER FARMS INC | 2185857 | ROYAL CITY | 1 |
| CARTER EXCAVATION INC | 1346869 | BREWSTER | 2 |
| CARTER FARMS INC | 3004586 | ROYAL CITY | 2 |
| CARTER LANDSCAPING & CONSTRUCTION LLC | 4582142 | SPOKANE | 3 |
| CARTERS TRUCKING & EXCAVATION LLC | 4572224 | QUILCENE | 2 |
| CARTON SERVICE CO | 3885725 | TUKWILA | 2 |
| CARTON SERVICE CO | 3547967 | TUKWILA | 2 |
| CARWORX AUTO TRANSPORT INC | 2237515 | SAMMAMISH | 0 |
| CARY CERNA CERNA LANDSCAPE INC | 1998599 | RENTON | 2 |
| CARY KEZELE | 2827024 | TIETON | 1 |
| CARY L BAILEY | 2514881 | DEER PARK | 1 |
| CAS DISTRIBUTION SERVICES INC | 3011543 | EDMONDS | 1 |
| CASA BONITA DISTRIBUTOR INC | 3892338 | BOTHELL | 3 |
| CASA BONITA HOME CARE INC | 2421087 | WOODINVILLE | 2 |
| CASA ROSITA | 3357694 | PASCO | 1 |
| CASACANO FARMS LLC | 4217807 | VALLEYFORD | 1 |
| CASADAY BEE-LINE SERVICE & TOWING LLC | 843435 | PASCO | 8 |
| CASADY ENTERPRISES INC | 2353868 | KIRKLAND | 1 |
| CASAL RECYCLING LLC | 1893494 | CHELAN | 2 |
| CASCADE ADVENTURES BAKER BUS LLC | 1968272 | GLACIER | 2 |
| CASCADE AGRONOMICS LLC | 1582331 | MOSES LAKE | 4 |
| CASCADE AIRFRAME REPAIR INC | 276522 | AUBURN | 1 |
| CASCADE AND COLUMBIA RIVER RAILROAD | 1952534 | OMAK | 1 |
| CASCADE ASPHALT SEALING COMPANY | 147062 | TACOMA | 12 |
| CASCADE BICYCLE CLUB | 3911887 | SEATTLE | 1 |
| CASCADE BRIDGE LLC | 1892636 | VANCOUVER | 25 |
| CASCADE BUILDERS NW INC | 2937791 | SNOHOMISH | 1 |
| CASCADE BUILDING COMPONENTS INC | 1284727 | BINGEN | 1 |
| CASCADE CABLE CONSTRUCTORS INC | 271855 | AIRWAY HEIGHTS | 24 |
| CASCADE CARGO EXPRESS LLC | 7624185 | BAINBRIDGE ISLAND | 2 |
| CASCADE CARRIER LLC | 2525406 | LYNDEN | 1 |
| CASCADE CARRIERS CORP | 3416039 | VANCOUVER | 1 |
| CASCADE CARRY LLC | 3172162 | MILL CREEK | 1 |
| CASCADE CHEVROLET COMPANY | 4528936 | WENATCHEE | 0 |