Our focus and direction is to be the most market driven, customer-focused, low cost provider of high quality flow control products to the plumbing, heating, air conditioning, refrigeration and industrial markets.

A Company Rich In Tradition

Since the company began in 1908, Cerro has always maintained its pioneering spirit. From the early days of smelting brass ingots to becoming one of the innovators in the production and handling of copper tubing worldwide, Cerro has been an industry leader.

Today, Cerro is embarking on a new journey. While we maintain our focus on a tradition of copper, we will expand into additional product lines that fit with the markets we serve. Reflecting this change, Cerro Copper is now Cerro Flow Products LLC.

Our expertise as a manufacturer of copper tubing has enabled us to grow into a full-service company. In this role, Cerro Flow Products LLC is proud to offer the strength and reliability of a trusted name as we begin our expansion into new flow product solutions.

To help you stay ahead of the competition, we look forward to providing you with the highest-quality, competitively-priced products and value-added services now and in the future.

We’re Cerro Flow Products LLC – the trusted brand for over 100 years.

• 1908 – Founded as L.J. Cohen Co., dealers in scrap iron and other metals.
  
  
• 1920s – Renamed Lewin Metals, the company experimented with electrolysis, the refining process to make purer grades of copper.
  
  
• 1927 – Lewin Metals built its own electrolytic refinery in Sauget, Illinois.
  
  
• 1939 – After merging with the G. Mathes Co. to become Lewin-Mathes Co., the company built its first copper tube mill.
  
  
• 1940s – As the U.S. entered World War II, Lewin-Mathes made parts for projectiles, tube for cargo and combat ships and other war products.
  
  
• 1957 – Lewin-Mathes Co. became part of Cerro de Pasco Corp., which financed construction of the present mill in Sauget, Illinois.
  
  
• 1962 – State-of-the-art extrusion press begins new era in copper tube production.
  
  
• 1975 – Cerro Copper Products Co. becomes part of The Marmon Group of companies, an international association of more than 100 companies that operate independently within diverse business sectors.
  
  
• 1981 – Cerro opens Shelbina, Missouri plant for the production of precision, thin-wall copper tube for the OEM industry.
  
  
• 1996 – One of the only continuous billet casting facilities in the U.S., Cerro Copper Casting opens in Mexico, Missouri. Later that year, Cerro adds plant in Bossier City, Louisiana.
  
  
• 2004 – Cerro Copper consolidates its operating companies under the name Cerro Flow Products LLC. The new structure is designed to ensure that customers receive industry-leading customer service, enhanced transaction efficiencies and new innovations in flow product solutions.
  
  
• 2007 – Cerro commissions a Research and Development Center focusing on heat transfer technology, new products and innovation. 
  
  
• 2008 – Cerro installs an automated state-of-the-art manufacturing cell for its cleaned and capped products.
  
  
• 2008 – Cerro celebrates 100 years of providing excellent service and solutions to its valued customers. 
  
  
• 2009 – Cerro opens a new facility in Vinita Park, Missouri, dedicated to the manufacturing of line sets.