Sidney B.Bowne is a full service consulting engineering firm serving Long Island, New York, and the surrounding areas for over 100 years. One of ENR’s Top 500 Design Firms, it is one of the oldest and largest consulting engineering firms on Long Island. Bowne is a wholly owned partnership of licensed engineers and land surveyors and offers a wide range of services. These services include: roads and parking services; global positioning system services; structural testing, evaluation, analysis, and design; site, municipal, drainage, and utilit engineering; surveying; municipal solid waste management; construction materials testing; construction inspection services; computer applications for management of geographic information, public facilities, routing and scheduling, project management, and estimating.