- Butcher Shop
- Butler Construction
- Butler MFG
- Butler Supply
- Butler Wick & CO
- Butte Community Bank
- Butterkrust Bakery
- Butternut Bread
- Butternut Bread DIV of Interstate Brands Corporation
- Buttons & Bows
- Buy for Less
- Buy Rite Auto Sales
- Buyer's Guide
- Buyer's Realty
- Buy-Rite Liquors
- Buzz
- Buzz Inn Steak House
- Buzztime
- Bw-3
- By George
- By Invitation Only
- By the Bay Investments
- By the Yard