Explore Engineering Firms Serving Portsmouth, NH

Appledore Marine Engineering specializes in waterfront infrastructure engineering, providing expert design services and underwater inspections for ocean and inland waterway projects. Our firm delivers comprehensive solutions for maintenance, repair, and modernization of marine structures. With a proven track record of excellence, we serve federal agencies, state governments, and private clients globally.

JSN provides engineering and design services for construction projects throughout New England. With over 35 years of experience, we serve architects, contractors, and developers through structural engineering, project management, and technical consulting. Our client-first approach combines technical expertise with personalized service for commercial, residential, and mixed-use developments.

Ross Engineering provides civil engineering, structural design, and land surveying services to clients throughout New England. Specializing in practical solutions for residential, commercial, and municipal projects, we combine technical expertise with personalized attention to deliver cost-effective results. Our team holds professional licenses in multiple states and maintains active memberships in key industry organizations.

Eckman Engineering provides civil engineering, structural design, and land surveying services for construction projects throughout New England. We specialize in sustainable infrastructure solutions for municipal, commercial, and residential clients, offering expertise in bridge rehabilitation, site development, and environmental permitting. Our team combines technical excellence with rapid project turnaround to deliver cost-effective, code-compliant results.