The company manufactures horns and other automobile ancillaries under technical collaboration with Hella KG Hueck & Co., Germany and Koito Manufacturing Co. Ltd., Japan. The company has two subsidiaries- Bitoni Lamps Ltd., which makes bulbs for automobiles and Chethan Genthe & Co. Ltd., which carries out polishing of bought out lenses used by the holding company on a jo-work basis.
JMA Industries has a network of twelve authorised dealers. The company's products are OE for such renowned names as Telco, PAL, Maruti,HM, Ashok Leyland, Bajaj Tempo as well as defence vehicle units.
-J.M.A. Industries Ltd has informed that workers of the Company Unit at Faridabad (Haryana) have gone on strike w.e.f. January 6, 2004.