Exhibit 32.1
                                                                    ------------



      CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 906 OF THE
                           SARBANES-OXLEY ACT OF 2002


I,  Timothy  R.  Kasmoch, as the Chief Executive Officer of N-Viro International
Corporation, certify that (i) the Form 10-Q fully complies with the requirements
of  Section  13(a)  or 15(d) of the Securities Exchange Act of 1934 and (ii) the
information  contained  in  the  Form  10-Q  fairly  presents,  in  all material
respects,  the  financial  condition  and  results  of  operations  of  N-Viro
International  Corporation.


/s/  Timothy  R.  Kasmoch
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Timothy  R.  Kasmoch,  President  and  Chief  Executive  Officer
May  15,  2008