NTS New Jersey Increases Aerospace Test Capabilities
Expanded Power Supply Capabilities Now Available on Both Coasts 


Tinton Falls, NJ July 31, 2007 -National Technical Systems Inc. (NASDAQ: NTSC) (NTS), a leading provider of engineering services, announced today the addition of a new high power variable frequency programmable power supply capability at their Tinton Falls, NJ laboratory.


The AC/DC programmable power supply is capable of supplying 45 kVA. This capability is necessary to support RTCA/DO-160D/E, MIL-STD-704D/E and ABD0100.1.8 (Airbus) requirements. Similar capability with up to 90 kVA output was added at the NTS Fullerton, CA facility in January of this year. 


“This significant investment by NTS in the expanded power supply will allow us to provide clients with Variable Frequency (DC to 900 Hz) power.” stated Dwight Moore, Chief Operating Officer, “NTS is one of the few U.S. laboratories able to conduct this type of testing, which is vital for suppliers to Boeing and Airbus, on both the East and West coast.


The NTS Tinton Falls, NJ facility offers extensive capabilities and experience conducting Electromagnetic Compatibility (EMC), Product Safety and Electrical testing to military, aerospace, telecommunications, and other industry specifications. The ability to supply 400 Hz and 800 Hz power allows for increased testing frequency on aircraft components for Airbus and Boeing, who have both instituted this frequency as standard.


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.