EX-21 2 c49512_ex21.txt EXHIBIT 21 The following table indicates, as of the end of the most recently ended fiscal year, the subsidiaries of Thermodynetics, Inc., their respective states and years of incorporation, and the percentage owned by Thermodynetics.
----------------------------- ---------------------- --------------------- ---------------- SUBSIDIARY'S NAME STATE OF INCORPORATION YEAR OF INCORPORATION PERCENTAGE OWNED ----------------------------- ---------------------- --------------------- ---------------- Turbotec Products Plc United Kingdom 2006 56.32% ----------------------------- ---------------------- --------------------- ---------------- Vulcan Industries, Inc. Michigan 1991 wholly owned ----------------------------- ---------------------- --------------------- ---------------- National Energy Systems, Inc. Florida 1984 wholly owned ----------------------------- ---------------------- --------------------- ---------------- TPI Systems, Inc. Connecticut 1983 wholly owned ----------------------------- ---------------------- --------------------- ----------------