Maintenance on heating systems, refrigeration systems, boiler systems, and air handling units. It also includes carpentry, rough to finish, frame, form walls, floors, sidewalks, curb and gutter, footers, build cabinets, map frames, counters, furnishings, paint, latex, and oil, drywall and texture.  

Repair of all facilities, and infrastructure interior and exterior such as electrical, plumbing, replacing bulbs, ballast, repairing, or replacing switches, controls, dialers and other electrical and plumbing components. Locksmith duties.

Painting, finishing.