Flat and Commercial Roofing

Worcester, United StatesHealth 53/100

Greenwood Industries is one of the fastest-growing commercial roofing contractors in the United States, a privately held firm with nine locations across the Northeastern US employing approximately 750 people with 17 established union contracts. The company nearly doubled in size recently with 96% revenue growth and specializes in flat and low-slope commercial roof construction, roof replacement, maintenance, repair, and weatherproofing for large-scale commercial and industrial projects. Greenwood also provides historic restoration roofing services for landmark buildings across the Northeast.

Tamworth, United KingdomHealth 52/100

Langley Waterproofing Systems is a specialist UK flat roofing and waterproofing manufacturer headquartered in Tamworth, Staffordshire. The company designs, manufactures, and installs complete flat roofing systems including single-ply, hot melt, cold applied liquid, and bituminous membranes through its nationwide network of Langley Approved Contractors. Langley provides BIM-compatible specifications, NBS source integration, and CPD seminars for architects and specifiers. The company serves commercial offices, hospitals, schools, universities, retail, and residential developments across the UK with systems carrying up to 30-year warranties.