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, Robert A. Reynolds, Jr., President and Principal Executive Officer of
Graybar Electric Company, Inc. ("the Company"), certify, pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

      (1)   The Annual Report on Form 10-K of the Company for the annual period
            ended December 31, 2006 (the "Report") fully 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 respects, the financial condition and results of operations
            of the Company.


/s/ Robert A. Reynolds, Jr.
- ---------------------------
Robert A. Reynolds, Jr.
President and Principal Executive Officer

March 14, 2007