The Sheet Metal Workers' International Association (SMWIA) (http://www.smwia.org) represents 150,000 skilled craftspersons in the unionized sheet metal industry throughout the United States and Canada.

The International Training Institute (ITI) (http://www.sheetmetal-iti.org) provides comprehensive training programs for journeyman and apprentice  labor union members in the Sheet Metal and Air Conditioning industries.

The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA) (http://www.smacna.org), an international association of union contractors, is dedicated to providing products, services, and representation to enhance members' businesses, markets, and profitability.

With 23 campuses statewide, Ivy Tech State College (http://www.ivytech.edu) is Indiana's third largest public higher education system. An open-access, two-year technical college, Ivy Tech offers courses, degree programs, training leading to certifications and continuing education.

The American Welding Society (AWS) (http://www.aws.org/) was founded in 1919 as a multifaceted, nonprofit organization with a goal to advance the science, technology, and application of welding and related joining disciplines. From factory floor to high-rise construction, from military weaponry to home products, AWS continues to lead the way in supporting welding education and technology development to ensure a strong, competitive, and exciting way of life for all Americans.

The Testing, Adjusting and Balancing Bureau (TABB) (http://www.tabbcertified.org) is committed to the welfare of the general public, engineers, building owners and design professionals to assure that all building environmental systems are installed properly and all systems are adjusted to these design specifications. TABB Certified Professionals subscribe to a strict Code of Conduct and pledge to regularly upgrade their skill level to meet cutting-edge technological advances in the heating, ventilation and air conditioning industry.

The North American Insulation Manufactures Association (NAIMA) (http://naima.org/) is a trade association of North American (United States, Canada and Mexico) manufacturers of fiber glass, rock wool, and slag wool insulation products. NAIMA members manufacture the vast majority of fiber glass, rock and slag wool insulations produced and used in North America.