Contractor shall provide installation, repair and maintenance services for: doors, including but not limited to wood, glass, metal, fire-rated; automatic and manual door closers; sliding, swinging, folding, and revolving doors; hatches; gate operators; parking toll equipment; coiling grilles; turnstiles; vehicle barriers; dock levelers; and locksmithing services in various facilities managed by TFC and located throughout Texas. Locksmithing services may include, but are not limited to, after-hours lockout services, re-coring of locks, replacement of cores, keys, audit reports of keys made, and key software. Locksmithing services shall adhere to TFC standard key codes. TFC reserves the option of purchasing either labor, or both labor and materials, from Contractor.