Boston area small business owners have depended on radio advertising to market their goods and services since the first New England radio station, WBZ, began broadcasting in 1921.

Today, thousand of local companies still invent in radio advertising. Partly, because it reaches 3,543,709 consumers every week, significantly more than any other medium. But, also because commercials on Boston radio are effective.

Meet five New England business area business owners are currently advertising on Boston radio to capture a larger share of the $100-billion local consumers spend every year.