Crane rental and leasing for construction purposes; Machinery installation; Maintenance and repair of cranes; Maintenance and/or repair of electric motors and systems; Maintenance of electronic apparatus; Mechanical contractor services; Motor vehicle maintenance and repair; Pump repair; Rebuilding machines that have been worn or partially destroyed; Rental of building equipment; Rental of bulldozers; Rental of construction equipment; Rental of construction machines and apparatus; Rental of earth moving equipment and excavators; Rental of excavators; Repair of small engines; Repair or maintenance of agricultural machines and implements; Contractor services, namely, review of and remedial recommendations for building plumbing, electrical and mechanical systems for others; Electrical repairs and installation of AC and DC motors; Installation, maintenance and repair of electric motors and systems; Installation, repair and maintenance of condensing apparatus, steam condensers, radiators for motors and engines, air reheaters, boiler tubes; Machinery maintenance and repair; Machinery installation, maintenance and repair; Pump repair and maintenance; Pump repair or maintenance; Rental of truck cranes; Repair of electronic apparatus; Repair of electronic machines; Repair or maintenance of construction machines and apparatus; Repair or maintenance of plant fiber processing machines and implements; Repair or maintenance of electric motors; Repair or maintenance of semiconductor manufacturing machines and systems; Vehicle maintenance; Vehicle repair services