The FMC Corporation is a world leader in the design, manufacture, and sale of telecommunications equipment. Founded in Korea in 1963, the company now has global operations and is headquartered in Chicago. It has more than 1,200 employees in Korea, the United States, Germany, Poland, Romania, Bulgaria, the United Arab Emirates, and Japan.

FMC has been developing and manufacturing many different types of telecommunication equipment for over 40 years, and has been providing comprehensive services from the manufacturing and sales of the equipment to its customer service. FMC also offers many services to its customers, such as design and consulting services, maintenance services, and equipment sales.

The company's first product was a manual telephone dialer, which is now known as the PABX. It was designed for users to make calls by simply pressing a button on a mobile device.