Dow Venture Capital invests in start-up companies in North America, Europe and Asia. It supports portfolio companies with capital, technology and a global network of potential development partners. The company has invested over $350 million in businesses based on life sciences, biotechnology, communications, information technology and physical sciences. Dow Venture Capital's portfolio companies include Alien Technology, AmberWave Systems, LuminoZ, Mirabilis Medica, Spotwave Wireless, Xtera and Varioptic. It is a subsidiary of The Dow Chemical Company. The Dow Chemical Company is engaged in the manufacture and sale of chemicals, plastic materials, agricultural products and services, advanced materials and other specialized products and services. With total revenue of more than $44 billion, the company has employs approximately 52,000 people, with more than 5,000 products offerings manufactured at 214 sites in 37 countries across the globe.