Joseph R. Perna

Core Laboratories NV engages in the provision of proprietary and patented reservoir description, production enhancement, and reservoir management services to the oil and gas industry. It operates through the Reservoir Description segment and Production Enhancement segment. The Reservoir Description segment encompasses the characterization of petroleum reservoir rock, fluid, and gas samples and provides analytical and field services to characterize properties of crude oil and petroleum products. The Production Enhancement segment provides products and services relating to reservoir well completions, perforations, stimulations, and production. The company was founded in 1936 and is headquartered in Amsterdam, the Netherlands.

Ethyl Corp. provides blending and supply solutions. The firm supplies gasoline performance additives and diesel cetane improvers. It also offers terminal, storage, and trans loading services. The company was founded on February 15, 1887 and is headquartered in Richmond, VA.