| Company | Website | City/State | Country |
|---|---|---|---|
| Basin Electric Power Cooperative | Visit Us | Bismarck, ND | UNITED STATES |
| Basin Telecommunications, Inc. | Visit Us | Bismarck, ND | UNITED STATES |
| Berkshire Gas Company | Visit Us | Pittsfield, MA | UNITED STATES |
| Blue Ridge Electric Membership Corporation | Visit Us | Lenoir, NC | UNITED STATES |
| Bonneville Power Administration | Visit Us | Portland, OR | UNITED STATES |
| Brazos Electric Power Cooperative, Inc. | Visit Us | Waco, TX | UNITED STATES |
| Burbank Water and Power | Visit Us | Burbank, CA | UNITED STATES |
