Founded in 1947, Purvin & Gertz is an independent, employee-owned provider of energy consulting. The company provides services to businesses that are engaged in such industries as crude oil, petroleum refining, natural gas, gas liquids, petrochemicals and power generation. The company offers assistance with planning and implementation of projects; feasibility studies; market analysis of natural gas and gas liquids and crude oil valuation; operational management, such as streamlining, benchmarking, and mergers and acquisitions; project financing services; third-party services, including expert valuations, litigation support and due diligence; training, workshops and seminars; and insurance-related services, such as estimations of maximum foreseeable loss and analysis of root causes for losses. Purvin & Gertz is headquartered in Houston.