Alpine Investors announced the launch of Cobalt Service Partners, a new platform focused on buying and building access solutions businesses. Alongside the launch, Cobalt acquired Piedmont Door Solutions, a Charlotte, N.C.-based provider of commercial doors and entrance solutions with locations across the Southeast, Southwest and Mid-Atlantic. 

According to the announcement, Cobalt buys market-leading businesses across the following access solutions categories: overhead doors and docks, commercial doors, security gates, access control systems, and video surveillance systems.