•TRI-OHMS ENGINEERING was established in 1990 by Engr. Geronimo Perey and is located along Quirino Highway in Quezon City. Tri-Ohms specializes on Rehabilitation, Rewinding, Testing and Commissioning of Power Transformer. In addition, it hauls and instals Power Transformers and HV Equipment. Throughout the years, the company provided its customers' need and had grown to meet industry requirements. It ventured to Construction of Substations and has instituted a management system to sustain the business and to be one of the top performers in the industry.
•Tri-Ohms is commited in providing quality service without compromising health, safety and the environment. It has competent employees having technical skills and experience. The compay owns equipments and test instruments to ensure that jobs are done accordingly as designed/planned and to guarantee customer satisfaction.