Business Details
50+ Years
experience
Emergency
services
Trusted Construction Contractors in Honolulu, HI
Founded in 1973 by Malcolm T. Koga, our company has established itself as a leader in municipal and utilities construction. Specializing in excavation, utilities, and roadwork, we serve government agencies and private clients across Hawaii. Our expertise includes site preparation, infrastructure development, and complex project management. With over five decades of experience, we maintain partnerships with major trade unions and hold a top-25 ranking among Hawaii's general contractors. Our team delivers precision in projects ranging from emergency repairs to large-scale developments, adhering to strict safety and quality standards.We prioritize client collaboration through competitive bidding and diverse contract models. Operating from Honolulu, Kauai, and Hawaii Island, we combine local knowledge with national industry standards. Our commitment to excellence is reflected in our membership with the Associated General Contractors of America. Through continuous innovation, we address evolving construction challenges while maintaining our founding principles of integrity and craftsmanship.
Services
Excavation
Utilities Installation
Roadwork
Site Preparation
Emergency Repairs
Infrastructure Development
Stormwater Management
Utility Relocation
Concrete Work
Demolition
Details
- Year established: 1973
Highlights and features
- We offer 50+ years of specialized expertise in Hawaii's municipal construction sector
- Our team holds top-25 statewide contractor rankings and union partnerships
- We provide comprehensive infrastructure solutions from emergency repairs to large-scale developments
- We maintain strict safety protocols and quality assurance standards
- Our local offices ensure deep understanding of Hawaii's unique construction requirements
Services
Excavation
Our excavation services prepare sites for infrastructure projects through precise soil removal and grading. We handle large-scale developments and emergency repairs using modern equipment. Clients benefit from our expertise in challenging terrains across Hawaii's diverse landscapes.
Utilities Installation
We specialize in water, sewer, and utility line installation for municipal and private projects. Our work includes emergency repairs and system upgrades. Clients receive durable solutions that meet Hawaii's specific environmental requirements and regulatory standards.
Roadwork
Our road construction and repair services cover asphalt paving, concrete work, and drainage solutions. We address both routine maintenance and emergency road failures. Clients receive long-lasting surfaces that improve traffic flow and safety across Hawaii's islands.
Emergency Repairs
We provide rapid response for infrastructure emergencies like flood damage and utility failures. Our team works around-the-clock to restore critical systems. Clients benefit from minimized downtime and immediate mobilization of resources during crises.
Site Preparation
Our site preparation services include grading, clearing, and utility layout for construction projects. We ensure proper ground conditions for buildings and infrastructure. Clients receive optimized sites that meet engineering specifications and local regulations.
People
Russell Inouye
President
Leading Koga Engineering since its founding, Russell directs strategic operations across Hawaii's islands. With decades of construction management experience, he oversees project execution and client relations while maintaining industry leadership standards.
Lori Isara
Vice President Finance and Administration
Managing financial operations for Koga Engineering, Lori ensures fiscal responsibility across all projects. Her expertise in construction accounting maintains budget integrity while supporting the company's growth initiatives and long-term stability.
Gregg Ichimura
Vice President - Oahu Island Manager
Overseeing Oahu operations, Gregg manages project delivery and client coordination. His technical expertise in municipal construction ensures quality execution of infrastructure projects while maintaining safety and compliance standards.
Garett Ichimura
Vice President - Kauai & Hawaii Island Manager
Garett directs construction activities across Kauai and Hawaii Island. His focus on operational efficiency and safety compliance ensures successful project delivery. He also serves as the company's safety director, implementing industry best practices.
Carol Koga
Secretary/Treasurer
Carol manages Koga Engineering's financial records and corporate governance. Her administrative leadership maintains organizational efficiency while supporting the company's long-term business strategy and operational success.
Questions
What construction services does Koga Engineering offer?
We provide excavation, utilities installation, roadwork, emergency repairs, and site preparation services for government and private clients across Hawaii.
How long has Koga Engineering been in business?
We've served Hawaii since October 1973, offering over 50 years of specialized construction expertise.
What areas do you serve?
We operate across all major Hawaiian islands including Oahu, Kauai, Maui, and Hawaii Island.
Do you handle emergency construction projects?
Yes, we provide rapid response for infrastructure emergencies like flood damage and utility failures.
What types of clients do you work with?
We serve government agencies, private developers, and commercial clients on projects ranging from $64k to $2M+.
Are you licensed in Hawaii?
Yes, we hold Hawaii Contractor License #ABC 6826 for construction and engineering services.
