Thomas Ramsey

Purafil, Inc. provides gas phase air filtration systems and engineered solutions designed to protect people, processes, and environments. The company was founded in 1969 and is headquartered in Doraville, GA.

Porex Corp. develops, manufactures, and distributes sintered porous plastic products. Its custom solutions include absorption solutions, application solutions, filtration solutions, and venting solutions. The company was founded by Bob Dickey in 1961 and is headquartered in Fairburn, GA.

Pall Corp. designs, manufactures, and markets filtration and separation equipment. Its products are used to remove solid, liquid, and gaseous contaminants from a variety of liquids and gases. The firm has Life Sciences and Industrial segments. The Life Sciences segment focuses on developing, manufacturing, and selling products to customers in the medical, biopharmaceuticals, and food and beverage markets. The Industrial segment focuses on developing, manufacturing and selling products to customers in the process technologies, aerospace, and microelectronics markets. The company was founded by David B. Pall on July 31, 1946 and is headquartered in Port Washington, NY.

3M Purification, Inc. designs, manufactures and markets filtration products. It offers integrated filtration solutions for the purification of liquids and gases. The firm offers electronics, industrial fluid purification, commercial water systems and residential water solutions. The company was founded in 1912 and is headquartered in Meriden, CT.