MFS Supply is this nations largest source of security and property management products. They specialize in lock boxes, doorknobs, handles and much more.They were founded in 2006 by mortgage servicing professionals with more than 20 years of experience. They strive to meet the needs of real estate agents, REO contractors, and commercial and private property managers. MFS Supply has a large inventory of home and commercial security products. Their corporate headquarters and 65,000 sq.-ft. warehouse are located in Solon, Ohio. They also have distribution centers in Los Angeles, CA, and Toronto, ON. It's a fine company with an impressive website.