Centex Corporation forms Centex Construction Products (CXP). Construction and start-up of the Nevada Cement plant, and purchase of Centex Materials, a concrete and aggregates business in Austin, TX occur.


Illinois Cement Company joint-venture is formed, the plant start-up occurs two years later. Centex starts construction of a new cement plant in Buda, TX.


A gypsum plant in Albuquerque, NM is purchased, forming Centex American Gypsum. The Buda, TX cement plant expands to an annual capacity of over 1 million tons. Cement plant in Laramie, WY is purchased, becoming Mountain Cement Company. Texas Lehigh Cement Company joint venture is formed, Centex retains 50% ownership.


Start-up occurs of Centex American Gypsum's second wallboard plant in Bernalillo, NM. Initial Public Offering of 49% of Centex Construction Product's stock to the public. Mountain Cement's second kiln starts up. Purchase completed of American Gypsum's third wallboard plant in Eagle, CO., with a 60% expansion added two years later.


CXP acquired a wallboard plant in Duke, OK and a lightweight paper mill in Lawton, OK, making CXP the nation’s fourth largest gypsum wallboard producer. Centex Corporation spins-off its 65% interest in CXP, upon completion, the company’s new name is Eagle Materials Inc. and trades on the NYSE under the symbol “EXP”. Eagle Materials purchases the remaining 50% interest in the Illinois Cement Company joint venture. Eagle Materials’ board of directors approve a $65 million expansion and modernization project for Illinois Cement Company plant in LaSalle, IL. American Gypsum announces plans to build a new high-speed, environmentally friendly wallboard plant near Georgetown, SC -- construction begins late 2005. Expansion at the Illinois Cement plant increased capacity to nearly 3 million tons. Texas Lehigh Cement increases its cement capacity with an investment in Houston Cement import terminals. American Gypsum’s Georgetown, SC wallboard plant opens for production in January 2008.



In November 2012, EXP acquires two cement plants in Kansas City, MO, and Tulsa, OK, respectively, which increases its cement production capacity by 60% and expands its market reach into the south-central US -- the transaction also includes eight ready-mix concrete plants, two aggregates quarries and six distribution terminals. In 2017, EXP acquires a cement plant located near Dayton, OH from CEMEX, now known as Fairborn Cement Company. In August 2019, EXP acquired 3-D Concrete, a concrete and aggregates business in Northern Nevada.



In early 2020, EXP acquired the Kosmos cement plant, located in Louisville, KY, along with seven distribution terminals. The acquisition of Kosmos Cement positions EXP as the largest US-based cement company and the 6th largest cement operator in the US. In 2022, EXP completes the acquisition of a concrete and aggregates business serving the Greater Denver market, now known as Raptor Materials, and in 2023 EXP takes over the Battletown quarry operation in Louisville, KY, further expanding its aggregates operations. In May 2023, EXP also completes the acquisition of the Stockton import cement terminal, allowing EXP to further serve its customer base in Northern California and Northern Nevada.