A. Schulman was an American supplier of plastic compounding products, color concentrates, and additives before its acquisition by LyondellBasell in 2018.

[1] In 1994, the company acquired Comalloy International, a subsidiary of Exxon based in Nashville, Tennessee.

[4] In 1996, the company acquired the Specialty Compounding Division of Laurel Industries Inc., from Occidental Petroleum.

[8] In 2010, the company acquired McCann Color and closed its facility in Sharon Center, Ohio.

[11] In 2016, the company sued the former owners of Citadel Plastics, a company it had previously acquired, for $272 million, claiming that they falsified information about the recycled content and other attributes of its products and that A. Schulman later had to stop selling these products.