apparatus and instruments for the surveying and location of terrestrial features and structures, for the location of pipelines, and for the detection and location of defects in pipelines; computer programs for use in the management and manipulation of data collected from the aforesaid apparatus and instruments, and for the production of reports from such data and from related aerial and satellite imaging of terrestrial features and structures
Electrical and Scientific Apparatusrepair and maintenance of pipelines and consulting services for inspection, repair and maintenance of pipelines
Building Construction and Repairinspection of pipelines; surveying, mapping, and locating terrestrial features and structures
Computer and Scientific