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Engineered Security Systems, based in Gilberts, is a leading provider of comprehensive security solutions, specializing in command center access control security, alarm systems, and security camera surveillance systems. With a focus on cutting-edge technology and top-notch customer service, Engineered Security Systems offers tailored security solutions to meet the unique needs of each client, ensuring peace of mind and protection for homes and businesses. Generated from their website's infomation

Patrick Engineering is a consulting firm that specializes in engineering, building design, technology, planning and construction management. The company s multi-disciplinary team addresses infrastructure needs of public and private sector clients throughout the world. It provides services to the transporation, airport, utility power system, industrial infrastructure, environmental, mining, building and system design markets. Patrick s capabilities include roadway improvements, bridge design, rail yard terminal enhancements, power plant engineering, structural analysis, wastewater treatment plants and electrical vaults. The Engineering News Record has included Patrick in its ENR Top 500 for more than 12 years, and the American Society of Civil Engineers and American Institute of Architects have honored the company with design awards. Patrick Engineering maintains offices throughout the United States.

ESI Consultants is a full-service engineering consulting firm. The company offers professional planning, customized design and construction services. It provides services to various clients, including government agencies, manufacturers, industrial operations, banks, financial institutions, real estate developers and law firms. ESI Consultants has a staff of trained and certified professionals, such as engineers, scientists and technicians who offer project management and customer support services. The company provides civil and site engineering, stormwater management, land planning, flood control, air quality analysis, bidding phase assistance, material testing and inspection services. It has office locations in Chicago and Charleston, Ill. ESI Consultants additionally offers sanitary sewer evaluation, water transmission and distribution services. The company maintains a location in Naperville, Ill.