On a January night the open water steams where the current keeps it clear, and the wind off it finds every driveway in Trenton. ClippersGroupLLC is out in that, plowing, shoveling walks and treating ice before the first commuters back out of their garages. When the thaw finally holds, the same operation shifts to mowing, edging, trimming and cleanups from spring through the last of the leaves. Two seasons, one idea: be there before anybody has to think about it. A cleared drive at dawn and a cut lawn on Friday are saying exactly the same thing.