Ply Gem-Cornerstone Building Brands

TSN Durham, North Carolina serves as TSN's headquarters and manufacturing facility.The Steel Network, Inc. (TSN) is a manufacturer of light gauge (cold-formed) steel studs and connectors based in the United States. TSN provides solutions for all standard light steel framing applications, including load-bearing mid-rise construction systems, curtain wall systems, rigid connectors, vertical deflection connectors, lateral drift connectors and anchorage connectors.TSNs competitive advantage lies in the cost savings, rapid construction and green design/construction options provided by its core product lines, SigmaStud Load-bearing Building System, BridgeClip, VertiClip, DriftClip, PrimeWall and SteelSmart System Design Software.

As a leader in the custom thermoset plastic molding industry, Penn Compression Moulding molds virtually any type of thermoset material, including polyester, phenolic, diallyl phthalate, epoxy, melamine and urea. Penn serves a wide range of markets, including the electrical, electronic, transportation, power tools, lighting, appliance, material handling, communications and defense industries. The company also has extensive experience molding military spec components. Penn Compression Moulding s production facilities in Smithfield, N.C., and Irwin, Pa., have a full range of thermoset capabilities, including injection, compression and transfer molding with equipment from 12 to 600 tons. In addition, Penn provides full tooling support, engineering assistance, drilling, tapping, riveting, assembly, testing and painting. The company has been in business since 1970.