Starting as 'Stainless Steel Products' in 1945, and acquired by Senior plc in 1995, we are vertically integrated with our own foundry, fabrication shop, and ISO-certified engineering lab, allowing us to design, manufacture, and qualify complex ducting systems for space launch, defense, and commercial aerospace applications worldwide. Traded on the London Stock Exchange, Senior designs and manufactures high-technology components and systems for the worldwide aerospace, defense, land vehicle and power & energy markets.