The group's principal activities are to operate cemeteries and manufacture and market aviation ground support equipment. The cemetery services are provided through two wholly owned subsidiaries, oakridge cemetery (hillside) inc and glen oak cemetery inc. In addition the group provides internment services, burial plots and crypts and sells cremation services. The aviation ground support equipment business is operated through stinar corporation, a subsidiary of the group. The principal products of stinar corporation are: truck-mounted stairways and push stairs for loading aircraft, lavatory trucks and carts, water trucks, bobtails and carts and catering trucks for servicing aircraft; cabin cleaning trucks and maintenance hi-lifts. These products are sold to airports, airlines and government and military customers in the United States.