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Southeast Building Supply Interests, a growing platform of building materials businesses serving professional contractors across the Southeast, has expanded into Montgomery, Al., through the acquisition of Alpha Lumber & Supply. This marks SBSI’s eleventh and its second location in Alabama, complementing Buettner Brothers Lumber Co., Cullman, Al.
Founded in 1945, Alpha Lumber has been a trusted supplier to the Montgomery building community for more than 80 years. Longtime owner Ken Williams will continue to lead Alpha’s operations, partnering closely with SBSI President Tom Tolleson and the SBSI leadership team to support continued growth and exceptional customer service.
SBSI’s partnership model provides local operators with the infrastructure, operational support, and resources needed to grow their businesses while preserving their entrepreneurial culture and community relationships.
Tom Tolleson, president of SBSI, said, “Alpha has been a cornerstone of the Montgomery building community for decades, and we are thrilled to welcome Ken and the Alpha team to the SBSI family. Our goal is simple: provide the systems, resources, and operational infrastructure that make it easier for great operators like Ken to focus on what they do best, serving customers, supporting employees, and growing their business. We are committed to investing in Alpha’s people and strengthening its impact in the Montgomery community.”
Ken Williams, owner of Alpha Lumber, added, “Partnering with SBSI creates meaningful opportunities for our customers and our employees. Their team brings the scale, resources, and operational support we need to continue enhancing the customer experience and investing in our future, while allowing us to maintain the entrepreneurial spirit and community focus that define Alpha. This partnership positions us to serve Montgomery even better for years to come.”
SBSI intends to continue expanding across the Southeast by partnering with family-owned building materials dealers seeking a long-term partner that prioritizes employee experience, customer service, and local leadership. The company provides operational and administrative support that reduces back-office burdens, enabling local teams to focus on sales, service, and community engagement.
Southeast Building Supply Interests is a growing platform of building materials and services businesses serving professional contractors and builders across the Southeast. SBSI is focused on operational excellence, customer service, and long-term value creation through disciplined growth and strategic partnerships.
BIP is the leading private equity investment firm focused on the U.S. building industry. Led by Matt Ogden and Pat Mascia, BIP is headquartered in Boston, with operating partners and advisors across the U.S.
Over the past 15 years, BIP is proud to have co-founded or been first equity sponsor of a number of the fastest growing and most dynamic businesses in the U.S. building industry’s middle market, including US LBM Holdings, Kodiak Building Partners, Homewood Holdings, U.S. Fence Solutions/Binford Supply, and Endeavor Fire Protection.
