| BLACKMOUTH DESIGN, LLC | 6155405 | BAINBRIDGE ISLAND | 2 |
| BLACKOUT MOTORS TRANSPORTATION AND TOWING LLC | 3938357 | FEDERAL WAY | 1 |
| BLACKROCK ASPHALT AND CONCRETE COATINGS INC | 2329592 | WENATCHEE | 1 |
| BLACKROCK CATTLE COMPANY LLC | 1946877 | PULLMAN | 5 |
| BLACKROCK FARMS LLC | 4361154 | ZILLAH | 0 |
| BLACKROCK GROUNDWORKS LLC | 4040182 | GRAHAM | 1 |
| BLACKROCK TRANSPORT LLC | 3712512 | EDGEWOOD | 1 |
| BLACKSTAR SHIPPING AND DISTRIBUTION LLC | 4532518 | LAKEWOOD | 0 |
| BLACKSTAR TOWING LLC | 3154813 | UNIVERSITY PLACE | 1 |
| BLACKSTONE CONSTRUCTION LLC | 2912344 | GIG HARBOR | 9 |
| BLACKSTONE LOGISTICS LLC | 3146424 | SEATTLE | 0 |
| BLACKSTREET LLC | 3405461 | SEATTLE | 1 |
| BLACKTOP ASPHALT LLC | 4224328 | ARLINGTON | 3 |
| BLACKTOP LOGISTICS LLC | 6029584 | KENNEWICK | 1 |
| BLACKTOP PAVERS LLC | 1964178 | KIRKLAND | 2 |
| BLACKTOP ROADWAY SOLUTIONS | 7595496 | OLYMPIA | 4 |
| BLACKTOP SEAL COATING LLC | 4073995 | ARLINGTON | 1 |
| BLACKTOP-ROADWAY-SOLUTIONS | 4325430 | OLYMPIA | 0 |
| BLACKWATER SANITATION LLC | 3733055 | KENNEWICK | 3 |
| BLACKWOOD BUILDERS GROUP LLC | 3044100 | EVERETT | 8 |
| BLACKWOOD EXCAVATION LLC | 4509741 | EVERETT | 8 |
| BLADE CHEVROLET INC | 515558 | MOUNT VERNON | 1 |
| BLADE TRUCKING & CONSTRUCTION LLC | 4285787 | SNOHOMISH | 1 |
| BLAGCO INC | 3666208 | SPOKANE VLY | 1 |
| BLAIN RANCH INC | 1929220 | ROOSEVELT | 2 |
| BLAINE - BAY REFUSE INC | 2064056 | BELLINGHAM | 3 |
| BLAINE CREA | 1908425 | WEST RICHLAND | 2 |
| BLAINE FOOD BANK ASSOCIATION | 3117382 | BLAINE | 4 |
| BLAINE SMITH | 2117343 | MONITOR | 3 |
| BLAINE TRUCKING LLC | 2971629 | FERNDALE | 1 |
| BLAIR BEEBE | 2198965 | BLAINE | 1 |
| BLAIR FARMS | 2054171 | PROSSER | 3 |
| BLAIR S ASHLEY | 327915 | SPOKANE | 2 |
| BLAIR STADIN | 2591328 | ARLINGTON | 1 |
| BLAIR TRUCKING LLC | 976535 | PASCO | 10 |
| BLAKE KUTINA LLC | 4227807 | TUKWILA | 1 |
| BLAKE MARTY | 1899875 | CARNATION | 1 |
| BLAKE STOCK | 1947862 | PASCO | 5 |
| BLAKELY AND HOUT INC | 2316313 | CHEHALIS | 4 |
| BLAKETOOLSALES LLC | 4299967 | EATONVILLE | 1 |
| BLAKLEY BROS INC | 1899706 | SEATTLE | 2 |
| BLAKLEY SEPTIC SERVICE LLC | 3030322 | BURIEN | 1 |
| BLANC FARMS | 2126872 | WAITSBURG | 5 |
| BLANCHARD CREEK LLC | 4581729 | NEWPORT | 1 |
| BLANCHARD ENTERPRISES INCORPORATED | 2128895 | HOQUIAM | 1 |
| BLANCO AUTO MECHANIC AND TOWING LLC | 4291892 | AUBURN | 1 |
| BLANCO CONSTRUCTION LLC | 3967032 | LONGVIEW | 1 |
| BLANCO TRANSPORTATION LLC | 2396886 | PASCO | 1 |
| BLANK ORCHARDS INCORPORATED | 1908310 | OKANOGAN | 1 |
| BLANK SLATE CONTRACTING LLC | 4223689 | DEER PARK | 2 |
| BLANKENSHIP EQUIPMENT REPAIR INC | 2813043 | AUBURN | 1 |
| BLANKENSHIP FARMS INC | 542518 | WASHTUCNA | 5 |
| BLANKSMA AG AND DIESEL REPAIR LLC | 4281110 | ROCHESTER | 0 |
| BLAS SANTOS | 2015452 | COVINGTON | 1 |
| BLAST CORP | 2492020 | KENT | 1 |
| BLAUERT FARM LLC | 1924529 | WASHTUCNA | 2 |
| BLAYDES LLC | 2577897 | CASHMERE | 1 |
| BLAZE CONSTRUCTION LLC | 3588302 | BRUSH PRAIRIE | 2 |
| BLAZE ELECTRIC & SERVICE CO INC | 2479276 | TACOMA | 3 |
| BLAZE EXPRESS LLC | 4298075 | BOTHELL | 1 |
| BLAZE JUMPER D | 1118062 | TONASKET | 3 |
| BLAZE XPRESS LLC | 4241790 | KENT | 3 |
| BLAZIAN TRANSPORTATION LLC | 4289774 | TACOMA | 1 |
| BLAZIN TRAILZ LLC | 3890739 | PORT ORCHARD | 1 |
| BLEACHERS BY BOB | 2997083 | OTIS ORCHARDS | 1 |
| BLEITZ LANDWORKS ENTERPRISE LLC | 4019571 | BURIEN | 1 |
| BLEND OUTDOOR DESIGN, LLC | 8533606 | SPOKANE VALLEY | 4 |
| BLESS TRUCKING LLC | 3697005 | MOUNT VERNON | 1 |
| BLESSED TRANSPORTATION SERVICE LLC | 5330920 | EVERETT | 1 |
| BLESSED TRUCKING LLC | 1719185 | SEATTLE | 1 |
| BLESSFUL FAMILY AND TOWING LLC | 3874485 | SEATTLE | 1 |
| BLG LOGISTICS LLC | 2352235 | EATONVILLE | 0 |
| BLIND HORSE LLC | 3722520 | EVERSON | 1 |
| BLING TRANSPORT LLC | 4202625 | KENT | 1 |
| BLJJ LOGISTICS LLC | 3545628 | AUBURN | 0 |
| BLOCK 5 CORP | 3694810 | GIG HARBOR | 1 |
| BLOCK ONE TRANSPORT LLC | 3741660 | PASCO | 1 |
| BLOCKER CARGO LOGISTICS LLC | 8309010 | PASCO | 2 |
| BLODGETT CONSTRUCTION ASSOCIATES INC | 638981 | MALAGA | 5 |
| BLOKS EVERGREEN DAIRY INC | 1914400 | LYNDEN | 2 |
| BLONDE NATIVE LLC | 4958401 | POULSBO | 1 |
| BLOOM BOTANICALS LLC | 2413076 | WOODINVILLE | 1 |
| BLOOMA TREE EXPERTS INC | 1931614 | SEATTLE | 3 |
| BLOOMFIELD CONSTRUCTION LLC | 3237370 | HOODSPORT | 1 |
| BLOOMING BOX LLC | 3398486 | AUBURN | 5 |
| BLOOMING FIELDS EVENTS LLC | 4269339 | AUBURN | 1 |
| BLOOMTRUCKING LLC | 2478510 | AUBURN | 1 |
| BLOSSOM BROTHERS INCORPORATED | 1932970 | SUQUAMISH | 1 |
| BLOSSOM SOLAR LLC | 3315145 | EVERETT | 4 |
| BLP PLUMBING LLC | 4821635 | EVERETT | 1 |
| BLS TOOLS | 2995097 | REDMOND | 1 |
| BLT TRANSPORT INC | 2034807 | KENT | 88 |
| BLU LANE LOGISTICS LLC | 4438436 | COVINGTON | 1 |
| BLU POINT LOGISTICS LLC | 6136423 | SEATTLE | 10 |
| BLU SKIN LTD | 2351369 | SEATTLE | 3 |
| BLU VISION LANDSCAPING LLC | 4381616 | EVERSON | 1 |
| BLU&BAILEY JG TRUCKING LLC | 5866264 | LYNNWOOD | 1 |
| BLUE & BLUE ROOFING | 2342358 | EDMONDS | 4 |
| BLUE ANGLE LLC | 3537417 | KENT | 3 |
| BLUE ARROW BUS INC | 4489001 | SEATTLE | 1 |