Folding Shutter Corporation Leading manufacturer and installer of custom hurricane shutters. Protecting homes in Southeast Florida since 1969. www.foldingshutters.com Precision Products Group, Inc. Manufacturer of precise-tolerance springs for the automotive and business equipment markets, and spiral-wound paper and plastic tubing for the electrical and packaging markets. www.ppgme.com U.S. Ring, LP Manufacturer and distributor of metal mechanisms for three-ring binders and supplier of other related stationery supply products. Custom production is located in St. Louis and standard products provided through Chinese joint ventures. www.usring.com LaSalle Duro-Test, LP Licensor of specialty light bulb technology and trade names to Westinghouse Corporation. www.duro-test.com National Metalwares, LP Integrated manufacturer of tubular steel products for furniture, sporting goods, garden tools and toys. www.nationalmetalwares.com