<DOCUMENT>
<TYPE>EX-21
<SEQUENCE>222
<FILENAME>v07806_ex21.txt
<TEXT>
                                                                      Exhibit 21


                              LIST OF SUBSIDIARIES

Subsidiaries of Dyadic International, Inc., a Delaware corporation:

1.    Dyadic  International  (USA),  Inc.,  a Florida  corporation  (100% owned)
      ("Dyadic-Florida")

2.    Geneva   International   Holdings   Limited,   a  British  Virgin  Islands
      corporation (100% owned by Dyadic-Florida) ("Dyadic-Geneva")

3.    Puridet (Asia) Limited,  a Hong Kong corporation  (82.5% economic interest
      and 62.5% voting interest owned by Dyadic-Geneva)

4.    Dongguan Puridet  Softener  Company  Limited,  a Peoples Republic of China
      corporation (100% owned by Puridet (Asia) Limited)

5.    Dyadic  International,  Spo ka z  orgraniczon  odpwiedzialno  ci, a Polish
      corporation (100% owned by Dyadic-Florida)

6.    Dyadic   Nederland   BV,  a   Netherlands   corporation   (100%  owned  by
      Dyadic-Florida)



</TEXT>
</DOCUMENT>
