Enrique Ruiz & Associates, P.S.C. (ERA) is an engineering and architectural firm established in 1972, based in San Juan, Puerto Rico. ERA’s work consists of the planning, design, inspection and construction management of a wide variety of projects throughout Puerto Rico. ERA has extensive experience of over 40 years with different types of public and private projects that include work with public facilities, general infrastructure, airports, commercial centers, office buildings, parking facilities, housing, parks, roads, and bridges, amongst others.