The Petral Companies provide economic consulting services to companies involved in production, processing, and marketing of crude oil, natural gas, refined products, NGLs, and commodity petrochemicals.
PCC's primary product, NGL Markets in North America, presents the results of PCCÂ’s in-depth analyses and forecasts for natural PWI provides clients in the hydrocarbon processing industries with a broad array of consulting services and seminars. Ethylene Industry In North America: Market