M & B Engineering Ltd. is an engineering solutions provider for construction of steel structures in India. It engages in the manufacturing of pre-engineered buildings, self-supported steel roofing solutions and structural steel components. The company operates through two divisions. Phenix and Proflex. The Phenix division provides comprehensive solutions for pre-engineered buildings and complex structural steel components. The Proflex division provides self-supported steel roofing solutions. The company was founded on June 16, 1981 and is headquartered in Ahmedabad, India.