EXHIBIT 32.1 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 I, Dennis Sunshine, Chief Executive Officer of Orbit International Corp., certify, pursuant to 18 U.S.C. 1350, as enacted by 906 of the Sarbanes-Oxley Act of 2002, that: (1) the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2010 (the "Periodic Report") which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and (2) information contained in the Periodic Report fairly presents, in all material respects, the financial condition and results of operations of Orbit International Corp. Dated: May 24, 2010 /s/ Dennis Sunshine ------------------- Dennis Sunshine Chief Executive Officer