YEI Engineers, Inc. (YEI) has provided electrical, mechanical, fire and plumbing systems engineering services to both public and private sectors since 1975. Served public sectors include local, state and federal agencies, as well as port authorities, flood control districts and utility companies. YEI also provides architectural, civil, and structural engineering, and energy analysis, through subconsultants. We are a certified Minority Business Enterprise (MBE) and Small Disadvantaged Business Enterprise (SDBE). YEI Engineers continues to provide the outstanding services of its licensed and certified engineers toward the design, construction and ensured operating integrity of the systems under its broad expertise.