United Waste Systems, Inc. operates, acquires and develops nonhazardous solid waste landfills, collection operations and other environmental services in the United States. The company acquired Salinas Disposal Service, Inc., Rural Dispos-All Service, Inc., Madison Lane Properties, Inc., & Commercial Disposal Co., Inc. in 1996. Collection operations accounted for 65% of 96 revenues; landfill operations, 30%; waste reuse and reduction programs, 2% and other services, 3%.