Republic Services is one of the leading providers of solid waste collection, transfer and disposal services. The company's various operating units offer services to residential and municipal customers. It has a staff of more than 35,000 trained and certified professionals throughout the world. Republic Services specializes in the collection of hazardous and nonhazardous wastes materials for commercial and industrial customers. The company serves millions of residential customers under terms of contracts with more than 3,000 municipalities for residential services. It offers waste management, hauling, transfer, recycling and disposal services. Republic Services additionally rents waste containers to several construction sites. The company own and operate over 250 transfer stations.