Stemco is a manufacturer of wheel end and suspension parts for heavy duty trucks and trailers. They ensure dependable, long-lasting, and cost-effective products are available to the market.Safety is what drives Stemco. They host on-site training and development opportunities for customers so they can learn tips to keep their investment on the road longer. They also have a strong focus on quality, with products going through a wide range of testing to ensure they are high-quality and withstand road demands.Stemco was founded in 1951 and their home base is in Longview, Texas. Stemco manufactures in Texas, Michigan, and China. However, they have divisions in the United States, Canada, Mexico, Australia, and China.