McMaster-Carr is trusted by industrial customers around the world to keep manufacturing lines running, operations moving, and turn new ideas into real products. Since 1901, we’ve earned that trust by offering the right products, making them easy to find, and delivering them quickly.
Our industry-leading e-commerce experience, indispensable product selection, and world-class service bring hundreds of thousands of customers to our site each day. But we never stop innovating. We turn ambiguous problems, new challenges, and disruptive technologies into opportunities to refine our operations, expand our offering, and deliver the best experience for every customer. Behind it all are our people: curious, exceptional problem-solvers who take pride in getting every detail right for our customers.
Founded in 1842 in Chicago, Ryerson has grown from a small iron shop to one of North America’s leading suppliers of industrial metals, including aluminum, carbon steel, and stainless steel. With over 183 years of experience, we now operate over 150 locations across the U.S., Canada, Mexico, and China, forming the largest interconnected metal network in North America. This network ensures we can quickly meet your needs, wherever you are. We stock more than 75,000 items and have access to over 250,000 metal SKUs in various shapes and sizes, from coil, plate, and sheet to bar, pipe and tube. Our advanced processing and contract manufacturing services cater to both simple and complex parts, supported by an extensive vendor network of over 500 approved companies, offering a complete range of metal services. Plus, with our ryerson.com e-commerce platform, you can buy metal online 24/7, making it easier than ever to access the materials you need. For investor news or information, please visit ir.ryerson.com.
• 2025 Sales: $4.5B
• Forbes: America’s Best Midsize Employers 2026
• U.S. News: Best Companies to Work for Manufacturing 2024 - 2025
• U.S. News: Best Companies to Work for In the Midwest 2024 - 2025
• Time: America’s Best Companies Mid-Size 2024
• Forbes: America's Best Mid-Size Employers 2024
• Fortune Rank: 594
• NYSE ticker: RYZ
About us
Constellium is a global leader designing and manufacturing innovative and high value-added aluminum products and solutions for a broad range of applications dedicated primarily to aerospace, automotive and packaging markets.
Constellium operates 25 manufacturing sites in Europe, North & Central America and China. C-TEC, the company’s Technology Center located in Voreppe, France, and its hub in Plymouth, MI, U.S., is at the origin of many advanced aluminum alloys and solutions.
Through our three business units - Aerospace and Transportation (A&T), Packaging and Automotive Rolled Products (P&ARP), and Automotive Structures and Industry (AS&I) - Constellium anticipates and responds to the fast-evolving market needs.
The company is headquartered in Paris with corporate offices in Baltimore and in Zurich.
***Constellium will never ask for your personal, financial, or other confidential information via unsolicited text, email, social media, direct message, pop-up, or phone call. Please be aware of potential scams, including from fraudulent email accounts and websites.***