Nelvik Norsk Hydro, Ltd. (NNH) is a Canadian-based, global industrial group of privately owned companies in various industries including renewable energy and infrastructure, with operations in Latin America, Norway, Russia, and Asia. 

NNH has over 50 years of experience with sophisticated 

quality management, as well as owning and operating the 

most advanced equipment while investing in 

human resources to efficiently manage projects and provide

 a cost-effective service.