SSI Shredding Systems Inc., formed in 1980, manufactures one-, two-, and four-shaft shredders and high-density compaction systems to meet the diverse needs of industrial, municipal and hazardous environments. The company employs more than 120 people and is located in Wilsonville, Ore. Its facility occupies an area of more than 100,000 square feet. The company s preload compactors are used to compact, load and transfer from several tons of waste per hour into lightweight transfer trailers. Its Quad shredders are suited for various applications, such as electronic scrap, tire recycling, alternative fuel production and reduction of contaminated materials. The company s Uni-Shear shredeers are recommended for wood, paper, hard plastics and other brittle materials with limited metal contamination. Additionally, SSI Shredding Systems offers parts, installation and design services.