Connect with Top-Rated Engineers in Portsmouth!

Appledore Marine Engineering (AME) is a industry-leading engineering consulting firm that specializes in waterfront infrastructure in both ocean and inland waterway environments. With a team of expert engineers and a proven track record of delivering successful projects, AME provides a range of services including course development, instructor assistance, engineer-dive inspections, and more. Whether you're looking to develop a new pier, inspect and maintain marine structures, or upgrade your waterfront facilities, AME has the expertise and resources to help you achieve your goals.

JSN was established in 1987 to provide engineering and design services to the construction industry throughout New England. Currently operating with a staff of ten to twelve, JSN completes hundreds of projects each year. We have over 500 clients including architects and designers, contractors, owners, developers, and municipalities. We are a hardworking and creative firm that places our client's needs first.

Ross Engineering, LLC offers high-quality, practical civil/structural engineering and surveying services to the construction industry, municipalities, and private homeowners in the New England area. Our services include civil engineering, surveying, environmental permitting assistance, design and drafting of boundary, subdivision, and site plans, and more. With a combined experience of over 20 years, our team is dedicated to providing personalized attention to each client, ensuring that their projects are completed on time and within budget.

Eckman Engineering LLC is a full-service engineering and survey firm dedicated to supporting the construction industry with functional, affordable and sustainable civil engineering solutions. We offer a wide range of services, including civil, survey, structural, and construction engineering, as well as land surveying, permitting, and environmental services. Our team is committed to providing innovative designs that protect the environment and meet the needs of our clients. With over 14 years of experience, we have established ourselves as a trusted partner for developers, individual homeowners, municipalities, state agencies, transportation departments, and heavy civil construction contractors throughout New Hampshire, Vermont, Maine, and Massachusetts.

Iron Engineering is a leading structural engineering firm that specializes in the design of cold-formed steel structures for contractors, architects, and panelizers along the East Coast. Our team of experts provides full building structural design from foundation to roof, including shop drawings, building information modeling, blast design, and more. We pride ourselves on our fast turnarounds, cost-effective designs, and commitment to excellence.