US LBM is one of the largest distributors of specialty building materials in the United States. The company was established in 2009 when several leading building materials distributors merged together. Its headquarters are located in Buffalo Grove, Illinois.

US LBM offers a wide range of products and services to contractors, builders, and remodelers in the residential and commercial construction markets. Its main product categories include lumber, millwork, windows and doors, roofing and siding, cabinets, and hardware. The company also provides value-added services such as project management, design services, and installation.

While US LBM primarily operates in the United States, it has expanded its operations globally through various subsidiaries, joint ventures, and partnerships. Some noteworthy subsidiaries include the RBS National Distribution, one of the largest distributors of gypsum wallboard and related products; Mill Creek Lumber and Supply, a leading supplier of lumber and building materials in Oklahoma; and Zeeland Lumber & Supply, a supplier of building materials in Michigan and Indiana. These strategic acquisitions have allowed US LBM to strengthen its market presence and geographic reach.

In terms of market position, US LBM has established itself as a market leader in the building materials distribution industry. With its extensive product offering, strong distribution network, and focus on customer service, the company has gained a competitive edge over its rivals. It has also benefited from the continued growth in the construction industry in the United States.

US LBM has achieved significant milestones and growth over the years. In 2017, the company was listed on Forbes' annual ranking of America's Largest Private Companies. It has also expanded its product lineup by adding new components such as cabinetry and hardware, allowing it to offer a more comprehensive range of products to its customers.

As of the latest available information, US LBM continues to grow and expand its operations. The company remains committed to providing high-quality building materials and exceptional customer service. With its strategic acquisitions and strong market position, US LBM is well-positioned to capitalize on the opportunities in the construction industry