PROSTAR

(Based on 44(e)) (Based on Intent to Use) Oil and gas drilling rigs, drilling machines, service rigs for servicing oil wells, and machine parts therefor

(Based on 44(e)) (Based on Intent to Use) Oil and gas well services, namely, work over services in the nature of maintenance and restoration, completion in the nature of well drilling, installation, and construction of structures for oil and gas production, and maintenance of oil and gas wells

(Based on 44(e)) (Based on Intent to Use) Custom manufacture of drilling rigs, drilling machines, service rigs, and parts therefor

(Based on 44(e)) (Based on Intent to Use) Research and development services in the nature of design and development of drilling rigs, drilling machines, service rigs and parts therefor