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Our Legacy
part of the LDI family

As part of the Liberty Diversified International (LDI) family of companies, the Quarrix brand is within the Liberty Plastics, Inc business and is known as a leader in high-quality roofing solutions today. LDI is headquartered in Minneapolis, Minnesota with over 1,500 employees nationwide and is one of the largest privately held companies in the Midwest. A third generation, family-owned business, LDI operates four distinct businesses; Liberty Paper, Liberty Packaging, Liberty Workspaces, and Liberty Plastics. And, have been a manufacturing innovator for over 100 years. LDI's passion for innovation founded Liberty Plastics and Quarrix Building Products over 30 years ago. With LDI's support, developments in breakthrough patented designs and advanced building materials; Quarrix quickly emerged as a leader in the specialty roofing products industry.

Meet Mike Fiterman

You can instantly spot Mike Fiterman, he's the one with the infectious smile. Mike is a walking phenomenon amongst the hallways of LDI. Not only for building one of the largest companies in the Midwest but for his uncanny ability to recognize every face and recall every name. One minute with Mike and you realize it's his passion, tenacity, and warmth that makes the man. It's not all about business with Mike, but about his employees.

Mike Fiterman Most Admired CEOs 2016

LDI launched the '98 Stories of Caring' Campaign to acknowledge the number of years we've been in business and to celebrate our employees who make giving back and getting involved an ongoing and integral part of who we are. Our goal is to collect 100 employee stories, leading up to our 100th anniversary celebration. Stories of caring can inspire us, motivate us and bring us closer together.

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Quarrix Values

For 100 years, our values – Caring, Innovation, Trust, and Excellence – have guided our day-to-day activities. We believe that when our employees are aligned with these values that our customers will always be treated with care and excellence, our products will always be innovative, and we will always be a trusted source in the industry.

See Our Values in Action


LDI companies work together for shared growth and success