A.J. Antunes & Co. is a prominent manufacturing company that distributes products all over the world. The company headquarters is located in Carol Stream Illinois, a suburb of Chicago in the U.S.

In business since 1955, the company is privately held, and family run. A.J. Antunes & Co. divisions include; Antunes Controls which manufactures OEM electronic controls and air and gas pressure switches; Antunes Foodservice Equipment which manufactures products for the foodservice industry, and the newest division; Antunes Filtration Technologies which manufactures filtration products that remove particulates, bacteria, and viruses from water.