Voltas International Operations Business Group (IOBG) is a subsidiary of Voltas Limited, part of the Tata Group, with over 65 years of experience. Established in 1978, IOBG specializes in international electro-mechanical and MEP (Mechanical, Electrical, Plumbing) contracting, primarily operating in GCC countries such as the UAE, Oman, Qatar, Bahrain, and Saudi Arabia. The company has formed partnerships with local firms, including Saudi Ensas Company Ltd and Olayan Voltas Contracting Company Limited.

IOBG offers a range of services, including MEP turnkey projects, specialized systems for low-voltage applications, and infrastructure development like water treatment plants and district cooling systems. The company is also involved in energy and sustainability initiatives, focusing on solar projects and energy-efficient installations. With a workforce of 1,001 to 5,000 professionals, IOBG is recognized for its adherence to international quality standards and its commitment to timely project execution.