A list of American manufacturers can be found at MadeInUSAChallenge.com and AmericansWorking.com. An additional curated list of the 500 largest American manufacturers and the products they make can be found at IndustryWeek.com.
As of 2015, the state with the largest number of manufacturing companies in the United States is California. This state is home to 11 percent of the 500 largest manufacturers in the country. According to Americans Working, some of the reasons to buy products from American manufacturers include the creation of American jobs, more business regulations in the fields of environmental protection and worker rights, and reduced shipping costs to transport a product from overseas.