The first train out of North Leominster leaves early, and the lot has to be open before it does. Bisson Landscaping works to that clock all winter — plowing, cutting walkways through, salting the ice that sets up where the wind comes down the tracks. When the season turns, the same attention goes to lawns: cut, trimmed, edged, the ground kept tidy from thaw through the last warm week of October. A city that gets up in the dark deserves to find its way already cleared. Leominster comes first, then Fitchburg, Lunenburg, Shirley and Lancaster.