The group's principal activity is to provide waste and recycling management services, scrap processing, brokering and equipment sales and services to commercial, retail and industrial businesses. Computerized waste systems provide waste disposal services including contract negotiation with vendors, centralized billing, invoice auditing and centralized dispatching. The isa recycling segment processes and sells a broad range of materials for recycling. These materials include ferrous and non-ferrous metals, corrugated containers, high-grade paper and plastic. The group's waste equipment sales service segment sells, leases and services waste handling and recycling equipment. The customers of the group are located throughout the United States and Canada. The group operates only in the United States.