The group's principal activities are the production of natural gas and manufacture and storage of asphalt paving products. The group also provides management and consulting services, leasing unused space in the group's office building and generation of electric power. The group owns working interests and operates 20 natural gas producing wells located in southwestern Kansas. Natural gas and helium produced are sold under exclusive contract to oneok field services. It also owns petroleum products refinery and asphalt products storage facility in fredonia and Arizona. On 01-Mar-2003, the group acquired a 90% working interest in oil producing properties in kimball county.