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Design Consultants, Inc ( DCI ) is a leading civil engineering, planning and land surveying company based in Somerville, Massachusetts. We specialize in transportation, traffic, site development and residential land development projects. Our clients include municipalities, state agencies, developers, architects, law firms and other consulting companies.

Founded in 1945, R.W. Sullivan Engineering provides heating, ventilation and air conditioning, electrical, plumbing and fire protection engineering, as well as building code consulting services. The company has a staff of more than 90 employees. It serves the educational, medical, research, industrial, manufacturing, biopharmaceutical, communications and electronics markets. R.W. Sullivan Engineering offers design, inspection and installation of fire standpipes, sprinklers, clean agents and fire pumps. The company has a staff that includes master plumbers, pipefitters and electricians. R.W. Sullivan Engineering has served as consultants for over 8,000 projects that include fire stations, historic building renovations, hotels, kitchens, libraries, and laboratory, science and medical facilities.

Jacobs Engineering Group Inc, based in Cambridge, MA, is a global leader in providing a full spectrum of professional services across various sectors, including advanced manufacturing, energy, transportation, and water. With approximately $16 billion in annual revenue and a workforce of over 60,000, the company focuses on solving critical problems through innovative solutions and integrated program delivery. Committed to sustainability and resilience, Jacobs has a pivotal role in addressing the climate emergency and enhancing community well-being through initiatives like water reuse and health system resilience. The firm collaborates closely with clients to develop bold solutions that foster connected, sustainable infrastructure across the United States and beyond. Generated from the website