WATERVILLE — The annual Mid-Maine Chamber of Commerce Business to Business Showcase featuring 146 exhibitors will be held 2 to 7 p.m. Wednesday at Colby College’s field house on Campus Drive.

The trade show and internship fair is to be held 2 to 5 p.m., and a reception is scheduled for 5 to 7 p.m. More than two dozen businesses will be offering business internships.

Admission costs $5 per person or free with a business card.