Providing repair, maintenance, and refurbishment information about diesel engines, diesel engine transmissions, diesel-powered generators and diesel-powered vehicles; Repair, refurbishment and maintenance of diesel engines, diesel engine transmissions, diesel-powered generators and diesel-powered vehicles and machines, and parts thereof; Rental of diesel-powered machines and equipment, namely, oil field drilling machines and equipment and oil field construction machines and equipment

Providing repair, maintenance, and refurbishment information about diesel engines, diesel engine transmissions, diesel-powered generators and diesel-powered vehicles