About GBP

Guardian Building Products (GBP) is one of the specialty building product industry's most dynamic players. With 30 branch offices across the nation, GBP is able to deliver an array of innovative, market-focused products and services to more than 5,000 LBM customers.

About Main Image


With a lineage in lumber and building materials going back 140 years, Guardian Building Products has earned its place as one of North America’s most capable and trusted distributors.

  • 1800s
  • 1867

    Wm. Cameron opens his first retail lumberyard at Warrensburg, Missouri, supplying ties and construction timber to the Missouri, Kansas and Texas Railroad.

    Timeline Image 1

  • 1900s
  • 1924

    Ace Hardware is founded as a cooperative in Chicago, Illinois, with the goal of providing centralized purchasing for the LBM/hardware needs of independent dealers.

    Timeline Image 2

  • 1932

    The Guardian Glass Company is established in Detroit, Michigan, with contracts to fabricate windshields for the Motor City’s burgeoning auto industry.

  • 1942

    TruServ LBM is founded

  • 1961

    Thomas A. Roe inherits the Citizens Lumber Company from his late father and renames it Builder Marts of America. BMA goes on to become a Forbes 500 company.

  • 1980

    The newly formed Guardian Fiberglass division sets up shop in a former television-tube manufacturing plant in Albion, Michigan, laying the foundation for what would become Guardian Building Products.

  • 1998

    Guardian invests heavily into BMA, transforming Guardian Fiberglass into a multifaceted building products company.

    Timeline Image 7

  • 1999

    Guardian acquires the LBM divisions of Ace and TruServ, becoming the largest wholesale buying and distribution group in the LBM industry.

  • 2000s
  • 2000

    Guardian acquires Dallas-based Cameron-Ashley Building Products, distributing products for new construction, remodeling, and repair, and descendant of the original W.M. Cameron lumberyards.

    Timeline Image 9

  • 2003

    Guardian acquires remainder of BMA shares.

  • 2014

    Guardian Building Products sells fiberglass insulation manufacturing business to Knauf Insulation.

  • 2016

    Guardian Building Products acquires the major business assets of Hawkeye Building Distributors, a two-step distributor of building material and hardline, roofing and millwork products serving independent retail lumber yards in the Midwest.

  • 2017

    Koch Industries, Inc. completes the acquisition of Guardian Industries Corp. Koch initially invested in Guardian in 2012, acquiring a 44.5 percent minority interest in the company at the time.

  • 2018

    Guardian Building Products is acquired by Pacific Avenue Capital Partners, a Los Angeles area-based private investment firm.

    Timeline Image 15

  • Present

    Guardian Building Products is a leading two-step distributor of specialty building products, with 30 branch offices strategically located throughout the United States.

    Timeline Image 13