* Businesses in Bold are Chamber Members
| Company | Address | Phone Number |
| A & W Family Restaurant * | 509 Elm Street | 608-375-5171 |
| A + Taxidermy, LLC * | 128 Wildwood Ct | 608-485-0308 |
| Accounting Associates, Inc. * | 840 Wisconsin Avenue, Box 68 | 608-375-2727 |
| Achenbach Printing * | 903 Wisconsin Avenue | 608-375-4848 |
| Adams, Jeff | 608-375-2226 | |
| Al Oman Water Systems & Plumbing | 103 Superior Street | 608-375-5469 |
| Alcan Packaging * | 901 Morrison Drive | 608-375-5610 |
| Alterations by Susan & Tuxedo Rental | 207 West Bluff St. | 608-375-4840 |
| America's Best Karate Educ. Ctr. * | 932 Wisconsin Avenue | 608-375-5425 |
| American Family Insurance * | 1200 Elm Street, Box 65 | 608-375-5776 |
| American Signs & Designs | 300 Second Street | 608-375-7446 |
| AnchorBank * | 202 W. Oak Street | 608-375-5062 |
| Aspenson Security, LLC * | 301 LaBelle St | |
| Associated Balance & Hearing Clinics, LLC | 109 E. Bluff Street | 608-375-4327 |
* Businesses in Bold are Chamber Members