Construcciones Metálicas de Obturación (CMO)

Construcciones Metálicas de Obturación (CMO)

CMO is a company that designs, manufactures and markets standard, and specialised valves. Its comprehensive range of manufacturing allows one to cover many industrial applications and the ability to control all kinds of fluids. Founded in February 1993 with a staff having more than 40 years experience in the design and manufacture of valves. This experience, satisfaction and quality is what has assisted in evolving into what it is today, continually developing new products to meet the demands of industry and our customer´s needs. Teamwork is the best asset. The experience and knowledge of each, with its capacity for technological innovation, is the basis and the engine of the company. For them it is one of our great values, which helps us maintain a competitive position in the industry worldwide. CMO has an extensive network of distributors in many countries worldwide.

Company details

Barrio Amategi, 142 , Tolosa , 20400 Spain
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Business Type:
Industry Type:
Water and Wastewater
Market Focus:
Globally (various continents)
Year Founded:

Today, CMO is one of the largest manufacturers of valves in both the domestic and international market with a young and highly qualified staff willing to give the best service to its customers.

CMO facilities are divided into five sections:

  • Offices: 540 m2
  • Production: 1000m2 (Tolosa) + 7000m2 (Altzo)
  • Testing: 400m2
  • Deliveries: 525m2
  • Quality Control: 300 m2
  • Madrid delegation: 600 m2

We at CMO always have been developing the concept of quality as a fundamental principle of our activity as a success factor to achieve continuous improvement. CMO has always perceived and developed the concept of quality as one of the main foundations of your business and a key success factor, directed towards continuous process improvement in order to meet the needs and expectations of customers while while maximum satisfaction is guaranteed. Responsive to market demands, characterized by high specialization, and operating in an increasingly competitive environment, CMO establishes a quality control system in 1998, the year of their first certification EN ISO 9001:2008. CMO, being aware of the environmental impact of all business activities and to improve their environmental performance, has earned ISO 14001:2004 Environmental Certification in 2012. Certifications granted recognizes a quality policy that involves all 360 structures and rewards company over 20 years of company experience in the industry, research, research, innovation, investment and organization company applied.