Louie Cardenas served in the U. S. Navy during World War II and he picked up the sheet metal trade during his service. After returning from the War, he went to work for a sheet metal fabrication shop. He then started his company in his garage fabricating metal products. Louie opened Louie Specialty Works in the 1960s near the downtown area of San Antonio, Texas.
He passed away in 1989 and Jim Cardenas who is his son, open his company Steeltron Metal Works in August of 1990.Steeltron is a job shop and manufactures its own products.