Balco can refer to: the Bay Area Laboratory Co-operative (BALCO) - a controversial sports medicine/nutrition centre in Burlingame, California. Balco balcony systems who develops, designs and manufactures balcony systems and glazing solutions. the Balco Engine number - a unique identifier for an automobile engine. a nickel-iron alloy used as a probe in Resistance Temperature Detectors. Bharat Aluminium Company, an Indian aluminium company. Baltimore County, Maryland… (More on Balco)