| BMBerlin Mills Wharf | Portland | ME | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| BWBilly Wix | Portland | TN | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| BBBlackbird Baking Company LLC | Portland | ME | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BBBlitz-weinhard Brewery Site | Portland | OR | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| BSBlue Star Doughnuts LLC | Portland | OR | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BMBobs Metals | Portland | OR | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| BWBodhichitta Winery LLC | Portland | OR | Beverage and Tobacco Product Manufacturing312130 | — | ◇ UNVERIFIED |
| BPBottle & Press LLC | Portland | OR | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
| BCBoyd Coffee CO | Portland | OR | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| BSBrazilian Speciality Coffees, LLC | Portland | OR | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| BSBrazilian Specialty Coffees LLC | Portland | OR | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| BHBreakerstorm Holdings, LLC | Portland | OR | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| BBBreakside Brewery LLC | Portland | OR | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| BDBrew Dr Kombucha LLC | Portland | OR | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| BLBrewhausen LLC | Portland | OR | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| BCBridgetown Cores INC | Portland | OR | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| BNBridgetown Natural Foods LLC | Portland | OR | Food Manufacturing311821 | — | ◇ UNVERIFIED |
| BHBrooklyn Hardware LLC | Portland | OR | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| BHBrooklyn Hardware Manufacturing INC. | Portland | OR | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| BPBrown Printing INC. | Portland | OR | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| BBBucket Brands, LLC | Portland | OR | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| BBBucket Brands, LLC | Portland | OR | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| BWBuffalo Welding INC | Portland | OR | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BNBui Natural Tofu LLC | Portland | OR | Food Manufacturing311991 | — | ◇ UNVERIFIED |
| BNBulk Natural LLC | Portland | OR | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BIBushwacker INC | Portland | OR | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| BLButtercoop LLC | Portland | OR | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| BSBuzz & Sons Firewood INC | Portland | OR | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| CICaldera International, Inc. | Portland | OR | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| CECallac Enterprises LLC | Portland | OR | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CSCamamu Soap LLC | Portland | OR | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
 Camco Manufacturing | Portland | OR | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CPCamilas Pallets LLC | Portland | OR | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
 Capsa Solutions LLC | Portland | OR | Miscellaneous Manufacturing339111 | — | ◇ UNVERIFIED |
| COCarson Oil Portland | Portland | OR | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CACascade Agrochem | Portland | OR | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| CBCascade Brake Products INC | Portland | OR | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| CCCascade Controls INC | Portland | OR | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| CFCascadian Fabrications INC | Portland | OR | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| CLCatalinbread LLC | Portland | OR | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| CTCatalyst Trade, INC | Portland | OR | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| COCd of Oregon, LLC | Portland | OR | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| COCelestica Oregon LLC | Portland | OR | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| CMCenterpointe Millwork INC | Portland | OR | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| CFCereal Food Processors INC | Portland | OR | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| CCCharlois Cooperage USA | Portland | OR | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| CMChart Metalworks, LLC | Portland | ME | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| CGChef George INC | Portland | OR | Food Manufacturing311911 | — | ◇ UNVERIFIED |
| CLChippewa Logistics/venture Industries | Portland | IN | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CKChoi's Kimchi LLC | Portland | OR | Food Manufacturing311999 | — | ◇ UNVERIFIED |
