| BIBerrysweet INC | Greeley | CO | Food Manufacturing311811 | 20-99 | ◇ UNVERIFIED |
| BLBertram Lumber INC | Monticello [wayne] | KY | Wood Product Manufacturing321113 | 1-19 | ◇ UNVERIFIED |
| BCBest Concrete Mix CORP | Flushing | NY | Petroleum and Coal Products Manufacturing324121 | 20-99 | ◇ UNVERIFIED |
| BFBest Finishers | Miami | FL | Fabricated Metal Product Manufacturing332812 | 20-99 | ◇ UNVERIFIED |
| BFBest Foam INC | Sherman | MS | Plastics and Rubber Products Manufacturing326140 | 20-99 | ◇ UNVERIFIED |
| BMBest Metal Cabinets | Brownsville | TN | Furniture and Related Product Manufacturing337214 | 20-99 | ◇ UNVERIFIED |
| BMBest Moulding | Albuquerque | NM | Wood Product Manufacturing321912 | 20-99 | ◇ UNVERIFIED |
| BSBest Sea-pack of Texas Facility | Danbury | TX | Food Manufacturing311712 | 20-99 | ◇ UNVERIFIED |
| BIBesturnings INC | Morristown | TN | Wood Product Manufacturing321211 | 1-19 | ◇ UNVERIFIED |
| BWBest Way Marble & Tile CO INC | Los Angeles | CA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◇ UNVERIFIED |
| BEBetatron Electronics | Albuquerque | NM | Computer and Electronic Product Manufacturing334419 | 20-99 | ◇ UNVERIFIED |
| BEBetter Engineering Manufactur | Baltimore | MD | Machinery Manufacturing333248 | 20-99 | ◇ UNVERIFIED |
| BIBeverly Industrial Svcs | Dillsboro | IN | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| BPBeverly Pacific Company | Redmond | OR | Textile Mills313320 | 1-19 | ◇ UNVERIFIED |
| BOBhc of Texas | Alvarado | TX | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| BRBig Red Q Quickprint Center | Sanibel | FL | Printing and Related Support Activities323110 | 1-19 | ◇ UNVERIFIED |
| BSBig Spring Mill INC | Elliston | VA | Food Manufacturing311119 | 1-19 | ◇ UNVERIFIED |
| BSBig Studio INC | Signal Hill | CA | Textile Mills313311 | 20-99 | ◇ UNVERIFIED |
| BBillmark | Haltom City | TX | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| BBBimbo Bakeries | Sioux Falls | SD | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BBBimbo Bakeries USA | Chicago | IL | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BOBiogene Organics | The Woodlands | TX | Chemical Manufacturing325411 | 1-19 | ◇ UNVERIFIED |
| BLBiologos LLC | Montgomery | IL | Chemical Manufacturing325414 | 1-19 | ◇ UNVERIFIED |
| BWBiosense Webster INC | Irwindale | CA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| BSBio Star Films LLC | Chicago | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| BWBio Wood Processing LLC | Faribault | MN | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| BKBirdsboro Kosher Farms Corporation | Birdsboro | PA | Food Manufacturing311615 | 100-499 | ◇ UNVERIFIED |
| BMBirken Manufacturing Company, INC. | Bloomfield | CT | Transportation Equipment Manufacturing336412 | 100-499 | ◇ UNVERIFIED |
| BMBjb Milling and Lumber | Eugene | OR | Wood Product Manufacturing321113 | 20-99 | ◇ UNVERIFIED |
| BBBlack Bottle Brewery LLC | Fort Collins | CO | Beverage and Tobacco Product Manufacturing312120 | 20-99 | ◇ UNVERIFIED |
| BIBlackline, INC. | Portland | OR | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| BFBlanco Fabricators | Jacksonville | AR | Plastics and Rubber Products Manufacturing326191 | 1-19 | ◇ UNVERIFIED |
| BIBlatek Industries INC | State College | PA | Computer and Electronic Product Manufacturing334419 | 20-99 | ◇ UNVERIFIED |
| BCBlock & Chisel Interiors INC | Atlanta | GA | Furniture and Related Product Manufacturing337110 | 20-99 | ◇ UNVERIFIED |
| BCBlue Circle CORP | Paramount | CA | Fabricated Metal Product Manufacturing332722 | 1-19 | ◇ UNVERIFIED |
| BFBlue Falls USA | Spokane | WA | Chemical Manufacturing325211 | 20-99 | ◇ UNVERIFIED |
| BRBlue Ridge Concrete Products, INC. | Cana | VA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◇ UNVERIFIED |
| BSBlue Star Power Systems INC | Lake Crystal | MN | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| BCBluetree Casework LLC | St Joseph | MO | Primary Metal Manufacturing331513 | 20-99 | ◇ UNVERIFIED |
| BBBlunier Builders | Eureka | IL | Miscellaneous Manufacturing339999 | 20-99 | ◇ UNVERIFIED |
| BGBmc Global, LLC Dba Blissfield Manufacturing | Blissfield | MI | Fabricated Metal Product Manufacturing332996 | 1-19 | ◇ UNVERIFIED |
| BIBobbart Industries INC (dba Amer Custom Ind) | Sylvania | OH | Plastics and Rubber Products Manufacturing326130 | 1-19 | ◇ UNVERIFIED |
| BDBob Dudley Lumber LLC | Hatchechubbee | AL | Wood Product Manufacturing321113 | 20-99 | ◇ UNVERIFIED |
| BPBoccella Precast LLC | Berlin | NJ | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◇ UNVERIFIED |
| BCBode Concrete | San Francisco | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◇ UNVERIFIED |
| BTBoley Tool & Machine | East Peoria | IL | Fabricated Metal Product Manufacturing332999 | 20-99 | ◇ UNVERIFIED |
| BOBolger & Ohearn | Fall River | MA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◇ UNVERIFIED |
| BCBolton Concrete Products INC. | Johnson City | TN | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◇ UNVERIFIED |
| BOBonums Oyster Company INC | Kinsale | VA | Food Manufacturing311710 | — | ◇ UNVERIFIED |
| BVBon Vivant Custom Woodworking INC. | Opa Locka | FL | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
