Carlisle Companies Inc. (NYSE: CSL) has purchased MTL Holdings from private equity firm GreyLion Partners for $410 million.

MTL is a provider of prefabricated perimeter edge metal systems and non-insulated architectural metal wall systems for commercial, institutional and industrial buildings. Its portfolio is comprised of an assortment of prefabricated edge metal products under the brands Metal-Era and Hickman. MTL’s portfolio also includes non-insulated aluminum composite material architectural wall panels under the Citadel brand.