ENGINEERING SOLUTIONS FIRM (ESF) was founded in 2004 by Engineer Edwin A. Ayala, at San Juan, Puerto Rico. Since we established our company, we have built and extraordinary portfolio and history in the environmental engineering area. In ENGINEERING SOLUTIONS FIRM (ESF) we de dedicate our efforts to create solutions that will protect human health and improve the quality of the environment, while dealing with our client’s complex challenges to comply with regulations. Permitting: Management • Asbestos containing material inspector • Lead based paint inspector • Environmental permitting management • Construction permitting management