Founded in 1995, BARZIN is one of the construction groups in IRAN and a major player in the ownership of infrastructure. BARZIN's approximately 1,000 employees in peak of projects provide construction and commissioning services to clients in a variety of industry sectors, including oil and gas, mining and metallurgy, environment and water, infrastructure and power. 

The three companies have put together their capabilities in the NBB Group to undertake industrial projects on EPC basis as a general contractor. Since the foundation of the group in 1996, the managers of the three companies have worked together as a team; and even though each company has completely independent organization, when it comes to cooperation, harmonious management and policy makes the group act effectively and efficiently as one team.

We are able to combine the design and engineering components of a project with our in-house construction and management capabilities. The successful completion of every project we attempt and the relationships we have built with our clients have enabled us to maintain a consistent ranking among the top EPC Contractors of Oil, Gas and Petrochemical Projects in IRAN.

A creative and dynamic environment, and an appropriate organization structure have gathered many unique specialists and experts into "NBB Group". Team working and combining science with experience have been the main keys of success in NBB Group. Total Quality Management (TQM) approach governs the Group.