Wesley R. Segawa & Associates, Inc. (WRSA) was established in 1981 as a professional engineering organization providing civil engineering, structural engineering and construction management services to private and governmental clients in the State of Hawaii. WRSA is composed of about thirty licensed engineers, technicians, inspectors, project managers and administrative support staff who fit within our corporate culture that is unique to our island lifestyle and are driven by our Company's Mission of Commitment to Quality Performance and Value. In fostering our Mission, we continuously recruit individuals and develop alliances that move us closer toward fulfilling our Mission objectives. As the prime consultant on most of our projects, we are able to assist our clients through the various stages of project delivery. Our projects have included airport infrastructure and facilities; master planning; highways, bridges, harbor and waterfront developments; wastewater treatment plans; water systems; industrial processing plants; land development infrastructure; schools; astronomy facilities; athletic facilities and residential, commercial and industrial buildings; regulatory permitting and a host of other interesting and challenging projects.

With over 25 years serving Hilo, Rooter Man Hawaii is your trusted local plumber for both residential and commercial plumbing needs. Our licensed team specializes in emergency plumbing, drain cleaning, clogged drain repair, root removal plumbing, and water leak repair. We provide Hilo rooter services, toilet clog removal, pipe repair, and sewer line cleaning, tackling every issue with efficiency and care. Available 24/7, our affordable and professional team also offers hydro jetting services, plumbing inspections, and solutions for tough drain clogs. Whether you need a quick fix or a comprehensive plumbing repair, count on us for reliable service in Hilo, HI.

Hakalau Engineering LLC is a sole proprietorship mechanical engineering consulting firm specializing in energy efficient and water-conserving mechanical systems for the building industry. Projects include new buildings, renovations and/or tenant improvements for commercial offices, educational facilities, food-prep and services, retail spaces, high-end residential and multi-family apartments. Services provided include schematic design, design development, construction development, construction administration, energy simulation modeling, life cycle cost analysis and LEED design and certification. Hakalau Engineering LLC specializes in heating, ventilation, air conditioning, plumbing, medical gas piping, clean room as well as process piping systems. Hakalau Engineering LLC also has substan

Please contact us for a list of our civil engineering services.