Founded in 1927 and headquartered in Independence, MO, this woman-owned business has grown into one of the region’s most trusted names in commercial roofing and sheet metal. 

With a legacy built on safety, quality, and integrity, Cornell Roofing & Sheet Metal has consistently delivered excellence on high-profile projects across the metro area, from schools and hospitals to government and private sector developments.

Under the leadership of CEO, Mary McNamara, Cornell Roofing & Sheet Metal has not only expanded its industry footprint but also deepened its impact in the community. 

Mary’s strong belief in servant leadership and corporate responsibility is reflected in Cornell’s steadfast support of charitable causes, workforce development initiatives, and youth education. The company actively supports multiple local nonprofit organizations and numerous local scholarships and career training programs.

Cornell Roofing & Sheet Metal’s team-oriented culture and commitment to giving back are ingrained in everything they do. 

Whether it’s providing opportunities for skilled tradespeople, supporting veterans, highlighting breast cancer awareness, or championing inclusion in construction, Cornell Roofing & Sheet Metal  leads with heart, purpose, and unwavering dedication to building stronger local communities in the Kansas City region.