D & O Ventures Berhad (D & O) is an investment holding and provision of management services company listed on the Main Board of Bursa Malaysia Security Berhad. The D & O group , via its wholly-owned subsidiary, Omega Semiconductor Sdn Bhd, is principally engaged in the provision of a full range of contract manufacturing services for the manufacture of semiconductor components which are supplied mainly to MNCs engaged on the manufacture of semiconductor products.