Exhibit 31.1
                                  CERTIFICATION

     I, Morry F. Rubin,  Chief Executive  Officer and Chief Financial Officer of
the Registrant, certify that:

     1. I have  reviewed  this  quarterly  report  on Form  10-QSB  of  National
Diversified Services, Inc.;

     2. Based on my knowledge, this quarterly report does not contain any untrue
statement of a material fact or omit to state a material fact  necessary to make
the statements made, in light of the  circumstances  under which such statements
were made, not  misleading  with respect to the period covered by this quarterly
report;

     3. Based on my knowledge,  the financial  statements,  and other  financial
information  included in this quarterly  report,  fairly present in all material
respects the financial  condition,  results of operations  and cash flows of the
registrant as of, and for, the periods presented in this quarterly report;

     4. The  registrant's  other  certifying  officers and I am responsible  for
establishing  and maintaining  disclosure  control and procedures (as defined in
Exchange Act Rules 13a-14 and 15d-14) for the registrant and have:

     a) designed such disclosure controls and procedures to ensure that material
information relating to the registrant, including its consolidated subsidiaries,
is made known to us by others  within those  entitles,  particularly  during the
period in which this quarterly report is being prepared;

     b) evaluated the effectiveness of the registrant's  disclosure controls and
procedures  as of a date  within  90  days  prior  to the  filing  date  of this
quarterly report (the "Evaluation Date"); and

     c)  presented  in  this  quarterly   report  our   conclusions   about  the
effectiveness of the disclosure  controls and procedures based on our evaluation
as of the Evaluation Date;

     5. The registrant's other certifying  officers and I have disclosed,  based
on our most  recent  evaluation,  to the  registrant's  auditors  and the  audit
committee  of  registrant's  board  of  directors  (or  persons  performing  the
equivalent functions):

     a) all  significant  deficiencies  in the design or  operation  of internal
controls  which  could  adversely  affect  the  registrant's  ability to record,
process,  summarize  and  report  financial  data  and have  identified  for the
registrant's auditors any material weaknesses in internal controls; and

     b) any fraud,  whether or not material,  that involves  management or other
employees who have a significant role in the registrant's internal controls; and

     6. The registrant's other certifying  officers and I have indicated in this
quarterly report whether there were significant  changes in internal controls or
in other factors that could significantly affect internal controls subsequent to
the date of our most recent  evaluation,  including any corrective  actions with
regard to significant deficiencies and material weaknesses.

Date:  May 14, 2004                                  /s/ Morry F. Rubin
                                                     ------------------
                                                     Morry F. Rubin,
                                                     Chief Executive Officer and
                                                     Chief Financial Officer