Sam O. Hirota, Inc. (SOH) was established in 1963 as a Honolulu-based consulting Civil Engineering and Land Surveying firm. Our firm has executed a wide range of engineering, planning, surveying, and mapping projects throughout Hawaii, the Trust Territories, and the South Pacific. Projects have served Federal, State and local governments, and the private sector.

For more than 40 years, Okahara and Associates, Inc. in Honolulu, HI, has designed durable mechanical equipment perfectly suited for local industries’ needs. In the mid-80s, their firm added civil engineering services to better serve the infrastructure and land development needs of their community. Trust Okahara and Associates with your next civil engineering, mechanical engineering, and landscape architecture project. They... Read More about Okahara and Associates, Inc.

When you need your land surveyed by fair, detail-oriented professionals, trust Crossroads Land Surveying with 20+ years of land surveying experience. They are a licensed and insured land surveying firm that has been helping developers, property owners, realtors, engineers, architects, attorneys, and contractors on the Big Island of Hawaii for many years. Do you need a topographic survey or land... Read More about Crossroads Land Surveying

Ludwig Construction Inc, situated in Keaau, HI, has been proudly serving the community for over 15 years. Specializing in construction engineering, our experienced team is dedicated to delivering top-quality construction solutions tailored to meet your needs. Whether you're planning a residential or commercial project, Ludwig Construction Inc combines expertise with a commitment to excellence, ensuring every project is completed on... Read More about Ludwig Construction Inc

Dickinson General Contracting, situated in the heart of Kailua Kona, HI, is your trusted partner in construction and engineering solutions. With over 10 years of experience, we specialize in delivering high-quality general contracting and engineering services tailored to meet the unique needs of our diverse clientele. Whether you're planning a residential renovation or a large-scale commercial project, Dickinson General Contracting... Read More about Dickinson General Contracting

Located in the heart of Honolulu, HI, Hawaii Geophysical Services LLC has been a trusted name in the realm of utility contracting since 2002. Specializing in a range of geophysical and subsurface investigations, they bring over two decades of expertise to every project. Committed to delivering high-quality, reliable services, Hawaii Geophysical Services LLC is your go-to partner for all your... Read More about Hawaii Geophysical Services LLC

Okahara and Associates, Inc., established in 1979, is a local firm that has deep roots in the state of Hawaii. Today we offer the services of qualified civil engineers, mechanical engineers, and landscape architects for a range of projects. Here at Okahara and Associates, Inc., we have a simple mission: With a commitment towards engineering excellence and a dedication to... Read More about Okahara and Associates, Inc.