M&B Engineering Limited, established in 1981, is known for its work in Pre-Engineered Buildings (PEBs) and Self-Supported Roofing systems. The company manufactures and installs self-supported steel roofing structures throughout India. It focuses on areas like structural steel, steel roofing, and pre-engineered building solutions. Their services include the complete process of designing, engineering, production, and testing to ensure strong, safe, and high-quality structures. M&B Engineering has worked with clients in many industries, including general engineering, manufacturing, food and beverages, warehousing, logistics, power, textiles, and railways. The company also offers a wide range of PEB-related services such as estimation, designing, engineering, and manufacturing. As of March 2025, it has successfully completed over 9,500 projects under its Phenix and Proflex Divisions.