SOUTH PORTLAND — Winners of the 2011 Maine Family Business Awards were announced this week by the Institute for Family-Owned Business.

The awards were handed out Tuesday during the Portland-based organization’s 12th annual celebration at the South Portland Marriott.

LTs Inc. of Portland, a silk screen, embroidery and promotional products company, received the Maddy Corson Award, which is given to companies with under 25 employees.

Allied Cook Construction of Westbrook received the Leon Gorman Award for companies with more than 25 employees.

Receiving an honorable mention award was Days Jewelers of Waterville. Halcyon Yarn of Bath got the Shep Lee Award for community service.  The Institute supports and tries to strengthen family-owned businesses in Maine.