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EA is a multidisciplinary civil engineering firm providing civil, utility, and surveying services for infrastructure projects across the United States. Our team includes Registered Professional Engineers, Registered Land Surveyors, and technical specialists. EA delivers sidewalks and roadway improvements, bus stop design, water, sewer, and gas utility layouts, and right-of-way (ROW) survey coordination. We support projects from planning and design through permitting and construction administration. EA serves public and private clients nationwide, with extensive project experience in Arizona. Our focus is technical accuracy, regulatory compliance, and constructible, field-ready deliverables.
Engineering Alliance offers air quality services, wastewater infrastructure, surface water management, environmental compliance, and audits. They serve municipal, utilities, developers, industrial, manufacturing, and mining clients.