| BLACK HAWK SERVICES LLC | 2276583 | COALGATE | 20 |
| BLACK HORSE TRUCKING & LOGISTICS LLC | 3263411 | OKLAHOMA | 1 |
| BLACK MESA CORPORATION | 829455 | SHAWNEE | 3 |
| BLACK MESA TRUCKING LLC | 3076480 | OKLAHOMA CITY | 48 |
| BLACK OPAL EXECUTIVE TRANSPORTATION LLC | 4488120 | OKLAHOMA CITY | 1 |
| BLACK PEARL GROUP LLC | 2574458 | DUNCAN | 1 |
| BLACK PHOENIX CONSTRUCTION LLC | 3281112 | PIEDMONT | 2 |
| BLACK QUARTERS LLC | 4346311 | OWASSO | 2 |
| BLACK RHINO TRUCKING LLC | 4482185 | ENID | 1 |
| BLACK ROSE LIMOUSINE LLC | 3310418 | YUKON | 3 |
| BLACK SAILS LLC | 3299604 | MANNFORD | 1 |
| BLACK SHEEP MUTTON COMPANY LLC | 4314932 | ALTUS | 1 |
| BLACK SHEEP TRANSPORT LLC | 4784101 | ENID | 2 |
| BLACK STAR FREIGHT CORPORATION | 4267445 | TULSA | 1 |
| BLACK TIE VALET PARKING SERVICE INC | 2539705 | OKLAHOMA CITY | 2 |
| BLACK TRUCKING LLC | 3419792 | CLINTON | 4 |
| BLACK VAULT LOGISTICS LLC | 7117464 | OKC | 2 |
| BLACK WOLF SOLUTIONS LLC | 3384868 | CRESCENT | 2 |
| BLACKARD TREE SERVICES LLC | 3601142 | CLAREMORE | 2 |
| BLACKBURN CONCRETE CONSTRUCTION CO LLC | 4879872 | DUNCAN | 7 |
| BLACKBURN CONCRETE CONSTRUCTION CO LLC | 1485092 | DUNCAN | 5 |
| BLACKBURN CUSTOM HOMES LLC | 1704675 | TULSA | 1 |
| BLACKBURN MIDWEST INC | 1774842 | PAWNEE | 1 |
| BLACKBURN PLUMBING LLC | 2259412 | DURANT | 50 |
| BLACKBURN PROPANE SERVICE | 324109 | CALERA | 9 |
| BLACKBURN SPEICIALIZED LLC | 3553663 | CLAYTON | 1 |
| BLACKCAT XPRESS LLC | 5960979 | DURANT | 1 |
| BLACKFOX INC | 2169655 | KANSAS | 5 |
| BLACKGOLD INC | 802733 | WELLSTON | 2 |
| BLACKGOLD SERVICE COMPANY LLC | 1297245 | LINDSAY | 2 |
| BLACKHAWK INDUSTRIAL DISTRIBUTION INC | 466845 | TULSA | 5 |
| BLACKHAWK SERVICES LLC | 4218972 | CLAREMORE | 2 |
| BLACKHAWK WIRELINE SERVICES INC | 764147 | PAULS VALLEY | 6 |
| BLACKHEART GROUP LLC | 3903610 | OKLAHOMA CITY | 1 |
| BLACKJACK CONSTRUCTION LLC | 1967130 | PERKINS | 3 |
| BLACKJACK ENTERPRISES LLC | 4553437 | LINDSAY | 1 |
| BLACKJACK EXPRESS LLC | 1094259 | BRADLEY | 5 |
| BLACKJACK FARMS LLC | 1610461 | SEMINOLE | 2 |
| BLACKJACK LAND AND CATTLE CO LLC | 1763317 | BRADLEY | 3 |
| BLACKJACK SE LLC | 3176131 | MUSKOGEE | 3 |
| BLACKMAN J GOEBEL | 1666700 | MACOMB | 2 |
| BLACKMON MOORING OF OKLAHOMA CITY LLC | 2404587 | OKLAHOMA CITY | 10 |
| BLACKMON MOORING OF TULSA LLC | 2404601 | TULSA | 4 |
| BLACKOAK INC | 1846748 | WEBBERS FALLS | 1 |
| BLACKOUT ENVIRONMENTAL ENERGY LLC | 2465189 | MOORE | 1 |
| BLACKOUT POWER ENERGY LLC | 3399788 | GUTHRIE | 1 |
| BLACKROCK TRIAD ENERGY LLC | 3430865 | CHEROKEE | 5 |
| BLACKSHEEP LOGISTICS LLC | 4398337 | OKLAHOMA CITY | 1 |
| BLACKTOP TRUCKING LLC | 4068176 | JONES | 1 |
| BLACKWATER SEPTIC LLC | 3286102 | CLAREMORE | 2 |
| BLACKWELL ENTERPRISES INC | 1672853 | WAYNE | 4 |
| BLACKWELL TRUCKING INC | 852593 | WAYNE | 7 |
| BLACKWELL ZINC COMPANY INC | 4285659 | BLACKWELL | 2 |
| BLACKWOOD MONUMENTS | 1284142 | HOLDENVILLE | 1 |
| BLACKWOOD-OSMON TRANSPORT LP | 1414319 | PORTER | 1 |
| BLACO CONSTRUCTION LLC | 1386870 | NORMAN | 2 |
| BLAGDEN FARMS | 1731499 | MULHALL | 1 |
| BLAINE BEENE | 1547179 | COMANCHE | 1 |
| BLAINE COUNTY CHEM-CANS LLC | 2197282 | LONGDALE | 6 |
| BLAINE EAGAN | 1791428 | ARAPAHO | 2 |
| BLAINE EDWARD RICE | 2309092 | WAGONER | 1 |
| BLAIR CONTRACTING LLC | 2999666 | WASHINGTON | 2 |
| BLAIR'S DOZING AND TRACTOR SERVICE | 2857698 | NOBLE | 1 |
| BLAKE DRINNON | 3562560 | THOMAS | 2 |
| BLAKE HANSEN | 3431365 | LOCUST GROVE | 1 |
| BLAKE KRETCHMAR | 2011487 | MEDFORD | 2 |
| BLAKE LOW | 3003659 | ANTLERS | 1 |
| BLAKE MCCARLEY | 1865334 | MARLOW | 2 |
| BLAKE'S DOZER SERVICE LLC | 2932255 | BLANCHARD | 1 |
| BLAKLEY LUMBER & CARPETS INC | 753104 | CHANDLER | 1 |
| BLAKNEY MOBILE HOME SERVICE LLC | 1459095 | SKIATOOK | 2 |
| BLALOCK DUMP TRUCK SERVICE INC | 4446603 | BLANCHARD | 1 |
| BLALOCK DUMP TRUCK SERVICE INC | 1299231 | BLANCHARD | 1 |
| BLANCHARD BUILDING CENTER | 343642 | BLANCHARD | 20 |
| BLANKENSHIP HAULING LLC | 2262554 | PURCELL | 17 |
| BLASER FARMS INC | 1993106 | TYRONE | 3 |
| BLAYLOCK CONSULTING LLC | 1644342 | HARTSHORNE | 1 |
| BLAZE BARR BARTLETT | 1564911 | TULSA | 1 |
| BLAZER CONSTRUCTION INCORPORATED | 1961154 | MUSTANG | 3 |
| BLAZER OILFIELD SERVICES LLC | 764694 | LINDSAY | 2 |
| BLAZING BISON ENTERPRISES LLC | 4261271 | GUTHRIE | 1 |
| BLC TRUCKING LLC | 526328 | BROKEN BOW | 13 |
| BLESSED EXPRESS SELECT TRUCKING LLC | 2134039 | SPIRO | 1 |
| BLESSINGS TRUCK LINE LLC | 3823386 | BROKEN ARROW | 1 |
| BLEVINS TRUCKING LLC | 3251064 | ENID | 1 |
| BLISS ELECTRIC INC | 2080836 | MOORE | 3 |
| BLITZ USA | 2142791 | MIAMI | 2 |
| BLITZ WASTE SOLUTIONS LLC | 3638567 | TULSA | 73 |
| BLLC TRUCKING LLC | 2926384 | FORT GIBSON | 1 |
| BLM EQUIPMENT & MANUFACTURING COMPANY INC | 464125 | CATOOSA | 2 |
| BLOCK SAND CO INC | 734705 | MCLOUD | 22 |
| BLOW-N-SMOKE TRANSPORTATION LLC | 3718623 | CASTLE | 3 |
| BLT | 4562595 | NORMAN | 1 |
| BLT TANKS LLC | 1064649 | KINGFISHER | 70 |
| BLUE & GOLD SAUSAGE CO | 777413 | JONES | 15 |
| BLUE BEAR LIGHTING AND SIGNS LLC | 4203771 | OWASSO | 2 |
| BLUE BIRD TRUCKING LLC | 7191311 | ARDMORE | 1 |
| BLUE BISON SERVICES LLC | 4081742 | BARTLESVILLE | 1 |
| BLUE COLLAR CONCRETE LLC | 4041884 | BUNCH | 1 |
| BLUE COLLAR CONTRACTORS LLC | 3852434 | TALALA | 1 |