CLAYTON, Missouri — Chemical and ammunition maker Olin Corp. announced Tuesday that it plans to merge with competitor Huntsman Corp. and will relocate its headquarters from Clayton to The Woodlands, Texas, about 40 minutes north of Houston.

Olin and Huntsman will combine in an all-stock merger of equals to create OlinHuntsman Corp., according to a press release. The transaction is expected to close in the first half of 2027.

Olin’s chemical businesses produce products such as chlorine and caustic soda, vinyls, epoxies and chlorinated organics. The company’s ammunition segment, Winchester, produces and distributes sporting ammunition, law enforcement ammunition, reloading components, small-caliber military ammunition and components and industrial cartridges.

Texas-based Huntsman makes thousands of chemical products that are sold worldwide to manufacturers. The company operates more than 55 manufacturing, research and development and operations facilities in about 25 countries.

The new business will have a combined revenue of over $12 billion, according to the release.

“This combination provides a compelling opportunity for Olin and Huntsman to create a more resilient and value-focused chemicals company anchored in North America,” Ken Lane, Olin president and CEO said in a statement. “We will create an industry leader with greater flexibility to serve customers across the value chain, generate stronger cash flow across the cycle and pursue opportunities that neither business could fully capture on its own.”

Lane will become CEO of OlinHuntsman. Current Huntsman CEO and president Peter Huntsman will serve as non-executive Chairman of OlinHuntsman’s board of directors. Huntsman executive vice president and CFO Phil Lister will be CFO of the combined company. Olin senior vice president and CFO Todd Slater will serve as chief integration officer of OlinHuntsman.

“The opportunities this merger creates enable us to generate greater value for our shareholders, deliver exceptional service and products for our customers and provide greater stability and opportunities for our associates,” Huntsman said in a statement. “This merger of equals takes two great companies and creates a much stronger global leader.”

Olin was founded in 1892 by Franklin W. Olin and opened its first mill in East Alton.

As of Dec. 31, 2025, the company has 7,849 employees, with 6,760 based in the United States.

Olin's East Alton facility has 523 union employees and the Lake City facility in Independence has 1,869 workers.

In 2022, the company reported that 3% of their 7,750 employees were in corporate functions.

For its most recent quarter, ending March 31, Olin reported a net loss of $83 million. For the same quarter last year, the company reported net income of $1.4 million.

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