Paragon Steel: Leading Square Bar Manufacturer in California Paragon Steel, a renowned steel manufacturer in California, stands as a premier provider of high-quality square bars. Our commitment to excellence is reflected in the precision and durability of our products. Square bar manufacturer CA caters to various industrial applications, ensuring superior strength and reliability with a diverse range of sizes and grades. We take pride in delivering square bars that contribute to the success and longevity of projects across California and beyond. Visit: http://www.paragonsteel.com/