CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS We consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated June 23, 2000, which appears on page 1 of the financial statements included in the Current Report on Form 8-K of Global Industrial Services, Inc. for the period ended March 31, 2000 and for the years ended December 31, 1999 and 1998. /s/ Merdinger, Fruchter, Rosen & Corso, P.C. - -------------------------------------------- Merdinger, Fruchter, Rosen & Corso, P.C. Certified Public Accountants New York, New York March 1, 2001