National Technical Systems 8K Meeting the Growing Demand From Industry and Government for Skilled Engineering Solutions and Services | NTSC 9 Jan 12

Exhibit 99.1

National Technical Systems, Inc.
(NASDAQ: NTSC)

Meeting the Growing Demand From Industry and
Government for Skilled Engineering Solutions and Services

January 2012

Sidoti & Company LLC

Semi -Annual New York Micro-Cap Conference

January 9, 2012

Largest independent provider in U.S. of advanced compliance
testing and engineering services to the aerospace, defense,

telecommunications, automotive and high technology markets

Company Overview

EMC/EMI Testing

Fire Testing

Mechanical Testing

Environmental Testing

Shock Vibration Testing

RF/Wireless Testing

ØOne-stop resource for broad range of services

ü Advanced technical product testing and certification

ü Certifications and data accepted in 21 countries

ü Engineering services for Engineering Services Outsourcing (ESO) market

ü Quality systems registration and supply chain management services

ü Special facilities, tools and capabilities

l Munitions, explosives, hazardous materials, ballistic and hydraulic burst tests

l Sophisticated data collection tools, very high-speed cameras, Doppler radar

l LabInsight on-line customer information portal - test data, status reports, etc.

Company Overview

Munitions Testing

Hydraulic Burst Testing

ØHeadquartered in Calabasas, CA; 1,100 employees

ØStrategic locations

Company Overview

ØStrong competitive position

ü A few large European companies

ü Mostly small, private local or regional labs in U.S.

ü In-house labs

ØIncreasing market share

ØNational sales force

ØDiversified base of 4,000+ customers

ü Incudes many of the world’s largest/strongest

ü Long-term relationships = consistent year-over-year revenue

Company Overview

Principal Customers Include

Principal Industries Served

n Aerospace and Defense

n Telecommunications

n Consumer

n Energy

n Automotive

n Industrial

n Medical

n Other

Aerospace & Defense

Telecom

Consumer

Other

Medical

Industrial

FY 2007 - FY 2011 Financial Highlights

ØFY’ 11 revenues up 58% to $144.1 million from $91.0 million in FY’ 07

ØBacklog grew from 33% of sales in FY’ 07 to 40% in FY’11

ØGross margins improved from 25.3% in FY’ 07 to 27.0% in FY’ 11

FY 2007 - FY 2011 Financial Highlights

1Includes one-time $1.7 million, or $0.16 per diluted share, net of tax gain from sale of property

FY 2012 Quarterly Financial Highlights

Ø Revenue up due to diversification and geographic expansion
initiatives, offsetting declines due to lower government
spending/funding delays

Ø Margin declines due in part to underutilization at some facilities and
excess completion costs on a large contract

1Results presented are from Continuing Operations

Balance Sheet Highlights - 10/31/11

Cash, cash equivalents, investments	$	11.3 million
Working capital	$	32.5 million
Total assets	$	151.4 million
Total debt	$	50.0 million
Total equity	$	65.0 million

Laboratory Testing Market Trends in U.S.

Ø NTS estimates FY 2011 annual revenues in its targeted U.S.
testing market segment at ~$500 to $600 million with stable
growth1

NTS

>25%

All Others

<75%

NTS

~40%

All Others

~60%

NTS Market Share Growth Estimate FY 2011 - FY 2015

FY 2011

FY 2015

1 Testing market size and growth and NTS’ current and expected market share derived from internal estimates based on
industry data gathered by NTS, the Company’s performance and its extensive experience in its testing market segment

Ø Key market drivers - regulatory, cost-effectiveness, time-to-
market

ü Scarcity of qualified engineers, trend towards greater outsourcing

l Engineering projects, new product development, supply chain management

ü Increasing government product safety regulations

ü Third party certification guidelines

Ø Significant barriers to entry

ü Niche specialization, high fixed costs, skilled labor force

ü Expect few new market entrants

Ø Fragmented market with number of smaller participants

ü Acquisition opportunities to expand services and reach

Why NTS is Approaching an Inflection Point

ØOrganic growth

ü Increase market share through superior service, new offerings

ü Invest in human resources and physical assets to strengthen NTS

ü Expand sales and marketing program

ØStrategic acquisitions

ü Acquire companies that add significant value to NTS

ü Add new, innovative service offerings to expand repertoire

ü Goal to acquire 1 to 2 companies annually

ü Experienced and proven acquisition team to seek, evaluate, acquire
and integrate acquired companies

ØCommitment to aggressively grow NTS until valuation
metrics improve significantly or strategic exit achieved

Strategy for Growth

Ø ESO market is fast growing, multi-billion dollar market expected
to grow at ~26% CAGR

Ø NTS launched initiative in March 2009; currently doing selected
design/development ESO projects; drives added testing revenue

Ø Offering more Engineering Services is move up value chain

ü Positions NTS to provide higher-value, higher-margin services

DESIGN

DEVELOP

TEST

Engineering
Services

Engineering
& Evaluation

NTS Engineering Services (“ESO”) Initiative

ØGrowing source of additional revenue

ØLeverages Company’s large customer base

ØMoves NTS up the services value chain

ØMargins can increase - not a commodity business

ØDevelops closer working relationships with customers

ØDrives additional NTS testing business

Why Engineering Services Outsourcing?

ØChicago-based Ingenium Testing in July 2011

ü $12.5 million in cash, plus performance earn out

ü 12 fully-automated test chambers in one of the most modern
EMC/EMI testing facilities in North America

ü Customer base, capabilities and services in aerospace, heavy
industry, automotive markets, all among NTS' core competencies

ü Gives NTS major presence in the very important Chicago region

l Includes Wisconsin, Indiana, Michigan, Illinois

l Second largest U.S. market for NTS' testing and engineering
services

ü Plan to expand facilities and resources

Recent Strategic Acquisitions

ØPittsfield, MA-based Lightning Technologies in Sept
2011

ü $6.0 million in cash, plus performance earn out

ü Engineering services and testing laboratory specializing in lightning
protection

ü Customer base, capabilities and services in aerospace, construction,
wind power generation markets, complements current capabilities

ü Expands NTS’ commercial aerospace business, strengthens non-
defense industry businesses

ü NTS currently only U.S. firm that can test, certify commercial aircraft
to meet all requirements of FAA’s specification DO160

Recent Strategic Acquisitions

ØQ4 FY 2012

ü Performance expected to improve from Q3 FY 2012

l Gross margins expected to increase

l SG&A expected to increase due to expanded sales program

ØFY 2013

ü Revenues expected to increase to $164 million to $169 million

l Expected revenues do not include any FY 2013 acquisitions

ü SG&A as a percentage of sales expected to decline from FY 2012

l Acquisition and legal cost expected to decline

ü Additional guidance metrics including expected ranges of EBITDA
and gross margins to be provided in early February 2012

ü Plan to update quarterly

Outlook

Ø Largest independent, advanced technical testing services
company in U.S. with experienced/effective management team

Ø Strong competitive position with increasing market share

Ø Diversified base of 4,000+ customers; international presence

Ø Increasing trends towards outsourcing testing, registration,
engineering services driving market

Ø Acquisition opportunities to expand business

Ø Solid 5-year growth trends, positive outlook for FY 2013

Ø Committed to aggressively grow NTS until valuation metrics
improve substantially or strategic exit achieved

Summary

Forward Looking Statements

The content of this presentation and statements made and/or answers given to
questions during this presentation 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, market growth and other risks identified in the companies'
SEC filings. Actual results, events and performance may differ materially.
Participants in this presentation are cautioned not to place undue reliance on
these forward-looking statements, which speak only as of the date hereof. The
company undertakes 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.

January 2012

National Technical Systems, Inc.
(NASDAQ: NTSC)

Meeting the Growing Demand From Industry and
Government for Skilled Engineering Talent and Services

January 2012

Sidoti & Company LLC

Semi -Annual New York Micro-Cap Conference

January 9, 2012

National Technical Systems (NTSC) Inactive 8-KMeeting the Growing Demand From Industry and Government for Skilled Engineering Solutions and Services