Founded in 1978, GrayWolf (formerly Horn Industrial) is a leading specialized mechanical contractor focused on the power, refinery and heavy industrial markets. The company offers fully outsourced and on-call maintenance services as well as installation services for environmental compliance projects, plant extensions, upgrades and new builds. GrayWolf’s customer base includes plant operators, industrial contractors and original equipment manufacturers.
Charlesbank partnered with management to acquire a majority stake in GrayWolf in mid-2007. To fund the acquisition, Charlesbank also arranged debt financing from a consortium of lenders.