Nicolas Aguilar joins NTS as National Sales Manager for Mexico

Calabasas, CA - January 17, 2007 - National Technical Systems Inc. (NASDAQ: NTSC) (NTS), a leading provider of engineering services, announced today the appointment  of Mr. Nicolas Aguilar as National Sales Manager for Mexico.

Mr. Aguilar brings 33 years of engineering, quality and management experience. His previous positions include; Quality Assurance Manager at Siemens Transformers in Guanajuato, GTO, Project Management and Technical Customer Service Engineer at  PROLEC-GE Power Transformers in Apodaca, NL, Plant Engineering Manager at Continental, General Tire of Mexico, and Plant  Manager of Productos Eléctricos Potosinos both in San Luis Potosí, SLP.

Mr. Aguilar holds a degree in Electrical Engineering from the National Polytechnic Institute of Mexico as well as an MBA from the University of Guanajuato and has taught courses at the University of San Luis Potosí, Mexico. He is also a certified Six Sigma Black Belt and has numerous specialist engineering certifications.

“We are very pleased to have Nicolas join the NTS sales team. His expertise will serve us well as we expand into the Latin American market.” stated Roland Kelly, NTS Vice President, Sales.

Mr. Aguilar is based in Guanajuato, where he will work to promote NTS Engineering & Evaluation test and engineering capabilities, covering automotive, aerospace, telecommunications and electronics.  He can be reached by calling from Mexico  (473) 103 0132  or from the U.S. at  (818) 324-6797or via email to nicolas.aguilar@ntscorp.com.

About NTS
National Technical Systems, Inc. is a leading provider of engineering services to the defense, aerospace, telecommunications, automotive and high technology markets. Through a world-wide network of resources, NTS provides full product life-cycle support, offering world class design engineering, compliance, testing, certification, quality registration and program management. For additional information about NTS, visit our website at www.ntscorp.com or call 800-270-2516.

The statements in this press release that relate to future plans, events or performance, are forward-looking statements that involve risks and uncertainties, including risks associated with uncertainties pertaining to customer orders, demand for services and products, development of markets for the companies’ services and products and other risks identified in the companies’ SEC filings.  Actual results, events and performance may differ materially.  Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof.  The companies undertake no obligation to release publicly the result of any revisions to these forward-looking statements that may be made to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

  "Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Statements in this press release regarding National Technical Systems' business which are not historical facts are "forward-looking statements" that involve risks and uncertainties. For a discussion of such risks and uncertainties, which could cause actual results to differ from those contained in the forward-looking statements, see "Risk Factors" in the Company's Annual Report or Form 10-K for the most recently ended fiscal year.

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