L&L Fabrication specializes in commercial and industrial duct fabrication, offering a range of products including Spiral Duct, Duct Fabrication, Angle Rings, KwikFlanges, and Oval Duct. They provide custom duct solutions for various applications, from small duct sizes for commercial use to heavy gauge industrial duct. With expertise in spiral pipe and fittings, L&L Fabrication is equipped to meet diverse spiral duct needs. Their services cater to clients in the southern and central United States, ensuring quality products for different duct fabrication requirements.