Inspectorate is one of the world's leading inspection and testing companies. It provides inspection services that include pre-shipment inspections, loading and discharge supervision, contractual sampling and sealing, draft survey and tank gauging, and storage management and stock control. The company offers project consultation services, such as sampling orientation studies program design and site implementation. In addition, Inspectorate offers physical inspection for quantifiable purposes, independent laboratory testing, marine surveys and shipboard consultancy and tank calibration and meter proving services. It has more than 4,000 members of staff, including geologists, master mariners and chemists. Inspectorate maintains one of its locations in Sparks, Nev.