EXHIBIT 32.1 CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER INFINITY, INC. PURSUANT TO 18 U.S.C. SECTION 1350 I hereby certify that, to the best of my knowledge, the Quarterly Report on Form 10-Q of Infinity, Inc. for the period ending September 30, 2003: (1) complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and (2) the information contained in the Report fairly presents, in all material aspects, the financial condition and results of operations of Infinity, Inc. /s/ Stanton E. Ross Stanton E. Ross Chief Executive Officer November 19, 2003