Bermudez, Longo, Diaz-Masso, LLC is one of America’s leading specialty construction companies. The company was incorporated in 1962 as Bermúdez & Longo Inc., in San Juan, Puerto Rico, became a special partnership in 1992, and evolved into Bermúdez, Longo, Díaz-Massó, LLC in 2007. A progressive and innovative company, Bermúdez, Longo, Díaz-Massó, LLC currently has responsibility for over 800 employees in a direct and indirect capacity. For more than half a century BLDM, LLC has been involved in construction work, providing a range of services to both domestic and international clients. The company has earned its reputation for integrity and professionalism across all major sectors with tailored services to suit each project or client. As electrical and mechanical contractors, BLDM performs annually over one hundred million dollars of work in projects of widely varied sizes and degrees of complexity.