WINDHAM — Tractor Supply Co. is breaking ground today on Roosevelt Trail.

The Windham store, expected to open in early 2012, will be the 10th Maine location for the nationwide chain of retail supply stores, according to a press release from its builder, Benchmark Construction.

The stores serve farmers, ranchers, contractors and rural homeowners, the release said.

The Windham store, located at 496 Roosevelt Trail next to Lee’s Family Trailer Sales & Service, will employ 15 people.