Exhibit 23.1 CONSENT OF SILVERMAN OLSON THORVILSON & KAUFMANN LTD We hereby consent to the use of our report dated February 2, 1996, accompanying the consolidated financial statements of DynEco Corporation for the years ended December 31, 1995 and 1994, and to the use of our report dated February 9, 1996, accompanying the financial statements of Fab-Tech Industries of Brevard, Inc. for the years ended December 31, 1995 and 1994, included in the DynEco Corporation's Registration Statement on Form SB-2 and to the reference made to our firm under the captions "Selected Consolidated Financial Information and Other Data" and "Experts" in the Registration Statement on Form SB-2 expected to be filed by DynEco Corporation on or about July 9, 1996. SILVERMAN OLSON THORVILSON & KAUFMANN LTD CERTIFIED PUBLIC ACCOUNTANTS Minneapolis, Minnesota July 9, 1996