University of Missouri-Columbia IML
A leader in career and technical education for more than 30 years, IML has earned a reputation--and awards--for excellence. IML offers materials at a reasonable cost--a value recognized by countless educators, administrators, state departments, and private industries. IML curriculum is used in all 50 states, as well as in other countries.

IML is a non-profit, cost-recovery department of the University of Missouri-Columbia College of Education. In addition to university resources, IML draws on the experience and expertise of esteemed professionals from around the country. Extensive research, advisory committees, writers, editors, and technical review/field testing enable IML to consistently produce products of uncompromising quality.

Snap-on
Snap-on Incorporated is a leading global developer, manufacturer and marketer of tool and equipment solutions for professional tool users. Product lines include hand tools, power tools, automotive diagnostics and shop equipment, tool storage products, automotive diagnostics software and other solutions for the transportation service, industrial, government, education, agricultural, and other commercial applications, including construction and electrical. Products are sold through its franchise dealer van, company direct sales and distributor and Internet channels. Founded in 1920, Snap-on is a $2+ billion, S&P 500 company headquartered in Kenosha, Wisconsin and employs approximately 12,200 people worldwide.

Mobile Air Conditioning Society
Founded in 1981, the Mobile Air Conditioning Society (MACS) is the leading non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. MACS represents 1600 members in North America and 47 countries around the world, and provides information and services to more than 60,000 industry shops, suppliers and technicians.

The Society serves the industry through informational tools, self-paced educational materials, leader-led training clinics, advocacy and other member services. Since 1991, MACS has assisted more than 600,000 technicians to comply with 1990 Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment.