Koch Industries-backed MITER Brands, a residential window and door manufacturer, completed the acquisition of PGT Innovations, a wholesale building materials, for $3.1bn. “MITER and PGTI are fully aligned in providing world-class service and the finest products with a culture where people, performance, and customer experiences come first. Our product mix and geographic presence are highly complementary, and we look forward to delivering enhanced value to our team members, customers, suppliers and local communities. The combined company will continue its long-held commitment to innovation, service, and high-quality window and door products as we accelerate our growth trajectory. We are excited to welcome the PGTI team into our owner-operated business with family-first values,” Matt DeSoto, MITER Brands President and CEO.