Kalkreuth Roofing and Sheet Metal, a firm with roots dating back to 1920, used the past century to become one of the nation’s top commercial roofing concerns
Kalkreuth Roofing of West Virginia has spent a century becoming one of the nation's largest commercial roofing concerns, specializing in large-scale, urban-centric, and complicated roofing projects, generating more than $130 million in annual revenue.
ROCKWOOL's U.S. factory produces residential, commercial and industrial stone wool insulation and marks North America's first post-pandemic increase in stone wool insulation manufacturing capacity.