Shop Penn Machine at BPS Supply Group. Our online selection includes thread-o-lets, weld-o-lets, thread-o-lets and more. Penn Machine is a trusted brand renowned for its high-quality, durable industrial equipment and components. With a legacy spanning decades, they specialize in manufacturing essential products like valves, fittings, and flanges, serving industries like oil and gas, petrochemical, and manufacturing. Penn Machine's top-selling products, such as precision valves and fittings, are crucial components in pipelines, ensuring seamless flow control and reliable connections in demanding industrial applications