**Exhibit31.1**

** **

**CERTIFICATION**

 

I,Henry J. Boucher, Jr., President, Chief Executive Officer of IWT TesoroCorporation, certify that:

 

1.                                                       I have reviewed this report onForm 10-QSB of IWT Tesoro Corporation for the quarter endedSeptember 30, 2003;

 

2.                                                       Based on my knowledge, this report does notcontain any untrue statement of a material fact or omit to state a materialfact necessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this report;

 

3.                                                       Based on my knowledge, the financialstatements, and other financial information included in this report, fairlypresent in all material respects the financial condition, results of operationsand cash flows of the registrant as of, and for, the periods presented in thisreport;

 

4.                                                       The registrant’s other certifying officer andI am responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for theregistrant and we have:

 

a)designed such disclosure controls and procedures to ensure that materialinformation relating to the registrant, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this report is being prepared;

 

b)evaluated the effectiveness of the registrant’s disclosure controls andprocedures as of a date within 90 days prior to the filing date of thisreport (the “Evaluation Date”); and

 

c)presented in this report our conclusions about the effectiveness of thedisclosure controls and procedures based on our evaluation as of the EvaluationDate;

 

5.                                                       The registrant’s other certifying officer andI have disclosed, based on our most recent evaluation, to the registrant’sauditors and the audit committee of registrant’s board of directors (or personsperforming the equivalent function):

 

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

 

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

 

6.                                                       I have indicated in this report whether ornot there were significant changes in internal controls or in other factorsthat could significantly affect internal controls subsequent to the date of ourmost recent evaluation, including any corrective actions with regard tosignificant deficiencies and material weaknesses.

 

 
| Date:  November 12, 2003 | By:                                    | /s/  Henry J. Boucher, Jr. |   |
|-------------------------------|----------------------------------------|----------------------------|--------|
|                          | Henry  J. Boucher, Jr.,                |
|                          | President  and Chief Executive Officer |

 

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