About
Who We Are
Established in 1930, the R. M. Towill Corporation (RMTC) is one of the oldest and largest kama’aina engineering firms in Hawaii. The firm provides integrated professional services in civil engineering, wastewater engineering, surveying and mapping, planning and permitting, and construction management. Since its inception, the company has completed over 20,000 projects in Hawaii and throughout the Pacific Basin.
We strive to exceed our clients' expectations and make a positive impact on the communities we serve.
Our History
In 1930, Mr. Roswell M. Towill entered private practice as R. M. Towill Engineer and Surveyor, with the intent of providing surveying and engineering services to government agencies and private clients throughout the Hawaiian Islands. As his practice grew, Mr. Towill added photogrammetry in 1947 to complement his surveying and engineering services. On July 1, 1954, Mr. Towill's private practice was incorporated as R. M. Towill Corporation, Ltd. On July 1, 1970, the name of R. M. Towill Corporation, Ltd. was formally changed to Kilohana Corporation and a new company, R. M. Towill Corporation (RMTC), was formed.
This new company became the first subsidiary of the Kilohana Corporation. By then RMTC had grown to include Planning, Environmental Engineering, and Construction Management disciplines as well to become one of Hawaii's first consultancies to offer such a comprehensive and vertically integrated suite of services. RMTC went on to deliver such exciting and award-winning projects as the Honoulu International Airport Reef Runway, Sand Island Wastewater Treatment Plant, the Hawaii Ocean Science and Technology Park, West Loch Estates and Fairways, Ewa Villages Revitalization, Palau Compact Road, and many others.
This new company became the first subsidiary of the Kilohana Corporation. By then RMTC had grown to include Planning, Environmental Engineering, and Construction Management disciplines as well to become one of Hawaii's first consultancies to offer such a comprehensive and vertically integrated suite of services. RMTC went on to deliver such exciting and award-winning projects as the Honoulu International Airport Reef Runway, Sand Island Wastewater Treatment Plant, the Hawaii Ocean Science and Technology Park, West Loch Estates and Fairways, Ewa Villages Revitalization, Palau Compact Road, and many others.
Today, the diversity of our staff of licensed professional engineers, planners, environmental scientists, surveyors, certified construction managers, and large technical pool provide RMTC with the flexibility to assign qualified personnel to projects of all sizes and degrees of complexity.
Our Mission
To provide innovative and sustainable solutions to meet the unique challenges of our island communities.
Years of Service
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In 1930, Roswell M. Towill opened his engineering and surveying practice in the Territory of Hawaii. It was a time of great advances in the major industries that would shape Hawaii’s future – air transportation, communication, agriculture, and defense.
Completed Projects
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Since its inception, RMTC has completed over 20,000 projects in Hawaii and throughout the Pacific Basin.
Licensed Engineers
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Our licensed engineers are experts in civil, water and wastewater engineering and have decades of experience in their respective fields.
LEED Accredited Professionals
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With an emphasis on sustainable design, we strive to design projects that are not only functional but also respect the environments where they are built.
Employees
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RMTC is a 100% employee-owned company with a staff of 120 Hawaii residents who are committed both professionally and personally to the community in which they work and live.
Leadership
RMTC is led by a senior management staff with an average of 35 years of professional experience. These discipline leaders have extensive technical backgrounds, as well as many years of experience in project management and contract administration. They serve as industry experts and mentors to staff internally as well as external to the firm in various professional and community organizations. With their many years of service in Hawaii and the Pacific, they are often able to assist clients and projects by fostering productive agency consultation and agreements by leveraging their understanding of government priorities, protocol, and requirements. They are well-respected members of Hawaii’s engineering community and highly knowledgeable about the unique issues affecting our island state.
Our Recent Awards
- Lilia Waikiki
2024 AIA Honolulu Award of Merit
2022 ENR California Best Projects - Kapalama Container Terminal Yard Design
2023 ACECH Grand Conceptor Award - Ala Wai Canal Dredging and Improvements – Dredging Work, Oahu
2022 GCA Hawaii Build Hawaii Awards – Award of Excellence - F-22 Fighter Alert Facility at Joint Base Pearl Harbor Hickam
2022 GCA Hawaii Build Hawaii Awards – Award of Excellence - Ala Moana Wastewater Pump Station Improvements
2022 GCA Hawaii Build Hawaii Awards – Award of Excellence - Mauka Concourse at Daniel K. Inouye International Airport Expand
2022 GCA Hawaii Build Hawaii Awards – Award of Excellence - Moanalua High School Performing Arts Center
2021 AIA Honolulu People’s Choice
2021 NAIOP Hawaii Chapter Distinguished Entry
2021 GCA Hawaii Build Hawaii Awards – Award of Excellence
- UH-West Oahu’s Creative Media Academy
2021 GCA Hawaii Build Hawaii Awards – Award of Excellence - North Shore Bridges – Kawela and Nanahu
GCA Hawaii Build Hawaii Awards – Award of Excellence - Kapalama Container Terminal
2021 GCA Hawaii Build Hawaii Awards – Award of Excellence - Interstate Route H-1 Shoulder Work and PCC Pavement Rehabilitation
2020 ACECH Excellence Award - Diamond Head Apron Reconstruction Gates G1 to G6
2020 GCA Hawaii – Build Hawaii Awards – Award of Excellence - The Ritz-Carlton Residences at Waikiki Beach
2020 BIA Hawaii – Multifamily Development – Average Unit Price More than $800,001 - Central Maui Regional Sports Complex
2019 ACECH Honor Award - Kapolei Business Park Wastewater Pump Station
- 2019 ACECH Honor Award
- UH West O‘ahu, Administration + Health Sciences Building
2019 AIA Honolulu Award of Excellence & Mayor’s Choice Award - Hoakalei Golf Course Clubhouse
2019 AIA Honolulu Hawaii Energy Award
2019 BIA Hawaii Overall Grand Winner - The Ritz-Carlton Residences, Waikiki Beach, Phase 1 and 2
2019 GCA Hawaii Build Hawaii Awards Award of Excellence - Queen Kaahumanu Highway Widening, Phase 2 CM
2019 GCA Hawaii Build Hawaii Awards Award of Excellence - Moanalua Hillside Apartments Phase 1
2019 GCA Hawaii Build Hawaii Awards Merit Award - Taxiway Z Structural Improvement, Honolulu International Airport
2018 ACECH Honor Award - Hickam Federal Credit Union
2018 BIA Hawaii Grand Award: Details Commercial
- Kapalama Container Terminal Yard Design
2023 ACECH Grand Conceptor Award - Ala Wai Canal Dredging and Improvements – Dredging Work, Oahu
2022 GCA Hawaii Build Hawaii Awards – Award of Excellence - F-22 Fighter Alert Facility at Joint Base Pearl Harbor Hickam
2022 GCA Hawaii Build Hawaii Awards – Award of Excellence - Ala Moana Wastewater Pump Station Improvements
2022 GCA Hawaii Build Hawaii Awards – Award of Excellence - Mauka Concourse at Daniel K. Inouye International Airport Expand
2022 GCA Hawaii Build Hawaii Awards – Award of Excellence - Moanalua High School Performing Arts Center
2021 AIA Honolulu People’s Choice
2021 NAIOP Hawaii Chapter Distinguished Entry
2021 GCA Hawaii Build Hawaii Awards – Award of Excellence - UH-West Oahu’s Creative Media Academy
2021 GCA Hawaii Build Hawaii Awards – Award of Excellence - North Shore Bridges – Kawela and Nanahu
GCA Hawaii Build Hawaii Awards – Award of Excellence - Kapalama Container Terminal
2021 GCA Hawaii Build Hawaii Awards – Award of Excellence - Interstate Route H-1 Shoulder Work and PCC Pavement Rehabilitation
2020 ACECH Excellence Award - Diamond Head Apron Reconstruction Gates G1 to G6
2020 GCA Hawaii – Build Hawaii Awards – Award of Excellence - The Ritz-Carlton Residences at Waikiki Beach
2020 BIA Hawaii – Multifamily Development – Average Unit Price More than $800,001 - Central Maui Regional Sports Complex
2019 ACECH Honor Award - Kapolei Business Park Wastewater Pump Station
2019 ACECH Honor Award - UH West O‘ahu, Administration + Health Sciences Building
2019 AIA Honolulu Award of Excellence & Mayor’s Choice Award - Hoakalei Golf Course Clubhouse
2019 AIA Honolulu Hawaii Energy Award
2019 BIA Hawaii Overall Grand Winner - The Ritz-Carlton Residences, Waikiki Beach, Phase 1 and 2
2019 GCA Hawaii Build Hawaii Awards Award of Excellence - Queen Kaahumanu Highway Widening, Phase 2 CM
2019 GCA Hawaii Build Hawaii Awards Award of Excellence - Moanalua Hillside Apartments Phase 1
2019 GCA Hawaii Build Hawaii Awards Merit Award - Taxiway Z Structural Improvement, Honolulu International Airport
2018 ACECH Honor Award - Hickam Federal Credit Union
2018 BIA Hawaii Grand Award: Details Commercial
Ala Wai Canal Dredging and Improvements – Dredging Work, 2022 GCA Hawaii Build Hawaii Awards – Award of Excellence
Mauka Concourse at Daniel K. Inouye International Airport Expand 2022 GCA Hawaii Build Hawaii Awards – Award of Excellence
Moanalua High School Performing Arts Center, 2021 AIA Honolulu People’s Choice & NAIOP Hawaii Chapter Distinguished Entry
UH-West Oahu’s Creative Media Academy 2021 GCA Hawaii Build Hawaii Awards – Award of Excellence
The Ritz-Carlton Residences at Waikiki Beach 2020 BIA Hawaii – Multifamily Development – Average Unit Price More than $800,001
Hoakalei Golf Course Clubhouse, 2019 AIA Honolulu Hawaii Energy Award & BIA Hawaii Overall Grand Winner
Central Maui Regional Sports Complex, 2019 ACECH Honor Award
Kapolei Business Park Wastewater Pump Station, 2019 ACECH Honor Award
Serving Hawaii Since 1930
Learn about the full suite of multidisciplinary services that are offered by R.M. Towill Corporation.
