JADphil & Associates Inc. is an Engineering Consulting firm, providing design and construction management services for public and private sector clients. JAD is composed of highly qualified team of professional engineers with extensive experience in the design and construction management of rail transit system, including light, heavy commuter and freight, as well as Railway Systems Operation and Maintenance Services.

JADphil and Associates Inc. have provided engineering services on various projects involving traffic survey and ridership forecast analysis. The firm's area of expertise includes feasibility studies, preliminary engineering design, detailed engineering and construction management.

Using state of the art computers equipped with the latest softwares and highly experienced engineers and CADD experts, JAD is able to maintain a highly specialized Design Team whose services and expertise can be tapped for project elsewhere in the world.