EXHIBIT 32.2

                CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
                       AS ADOPTED PURSUANT TO SECTION 906
                        OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of NATIONAL TECHNICAL SYSTEMS,  INC (the
"Company")  on Form 10-Q for the period ended October 31, 2007 as filed with the
Securities and Exchange  Commission on the date hereof (the "Report"),  I, Raffy
Lorentzian,  Chief  Financial  Officer of the Company,  certify,  pursuant to 18
U.S.C.  Section 1350, as adopted  pursuant to Section 906 of the  Sarbanes-Oxley
Act of 2002, to my knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of
the Securities Exchange Act of 1934, as amended; and

(2) The  information  contained in the Report fairly  presents,  in all material
respects, the financial condition and results of operations of the Company as of
and for the periods presented in the Report.


                                                    /s/ Raffy Lorentzian
                                            ------------------------------------
                                                     Raffy Lorentzian,
                                                 Senior Vice President and
                                                  Chief Financial Officer
                                               (Principal Financial Officer)

                                                               December 13, 2007

A signed  original of this  written  statement  required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.


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