G4 Publishing, 17648 Pheasant Dr, Tinley Park, IL 60487, US

For more than 100 years, American Technical Publishers has produced in-depth training books and guides for an array of trades including industry, engineering, construction, alternative energy and culinary arts. Originally founded in Boston, Mass. in 1898 as the American Technical Society, the company's goal was to provide materials needed for all Americans to learn practical job skills. Over the company's lengthy history, it has produced training guides for industry workers during World War II, and other materials pertinent for needs of the time. Orders must be placed over the phone. ATP also operates a warehouse for training materials in Homewood.