Today

“Marketing and Sales: Attracting New Customers and How to Retain Them,” 6 to 9 p.m., SCORE Offices, 100 Middle St., second floor, East Tower, Portland. There is a nominal fee. For details and reservations, visit www.scoremaine.com or call 772-1147.

Wednesday

Business After Hours, 5:30 to 7:30 p.m., Ben’s Flooring, Biddeford. The cost is $5 for members and $10 for nonmembers. Call 967-0857.

Friday

“The Power of E-mail and Social Media Marketing,” 9 a.m. to noon, Portland Regency Hotel, Atlantic Room, 20 Milk St., Portland. Presented by Corissa St. Laurent, with a bonus session titled “Getting Started With Constant Contact.” The program is free. Registration starts at 8:30 a.m.

July 28

“LEGO Teambuilding,” 9 a.m. to 4 p.m., Central Maine Community College, Auburn. The cost of the workshop is $149 and includes materials. For more information or to register, call (800) 891-2002, ext. 280. The class is open to the public.

Ongoing

Website development and Internet marketing, self-paced online workshops offered free through Sept. 15 by the Maine Women’s Business Center at Coastal Enterprises Inc. For more information, call 882-7552, ext. 158.