Whether you are new to our site or a returning visitor, I invite you to explore the many sections available. To get to know us better, you can visit the Company Overview page. If you are interested in our services, you can find more information on the Services page. Our Projects page has several past projects we're pleased to be a part of.


Contact Details

  Website
  City Honolulu, HI
  Zip Code 96817
  Address 501 Sumner Street # 521
  Phone Number (808) 533-3646

From Our Website

Find your dream job with Austin Tsutsumi & Associates. Weve been recognized as one of the "Best Places to Work" by Hawaii Business magazine because we truly care about our associates. View our current opportunities now to see if ATA is the right place for you!


As a Kamaaina engineering practice established over 80 years ago, ATA is woven into the fabric of our built Hawaii. With our main offices on Oahu and Maui, we have designed projects on every island including Hawaii island, Kauai, Molokai, Lanai and Kahoolawe, providing Civil Engineering, Project Management, Land Planning, Public Works, Transportation Engineering, Construction Management and Land Surveying. Our history includes projects in the Pacific Basin, with experience in Indonesia, Fiji, Palau, Yap, Chuuk, Pohnpei, Kosrae, Guam, Japan and Vietnam, serving both government and private clients wherever our expertise was needed.


Our Civil Engineering Group offers experience throughout the Pacific in Land Development and Public Works. Our staff is able to provide technical services from project conception to detailed design to construction management. Our Traffic Engineering Group provides the knowledge needed to address local and regional traffic conditions attributed to development, providing balanced solutions for roadway improvements and multi-modal transportation systems.


Adrienne has been with ATA since 1984 and has over 34 years of experience in civil engineering. Throughout her career, Adrienne worked closely with former ATA President Ken Kurokawa. Her ability to maintain and build upon Ken's relationships with existing clients, as well as her success in growing her own local network has been vital in continuing ATA's strong connection with the Maui community. As the Maui Branch Manager, Adrienne oversees the Maui office operations and is instrumental in the management of many Maui projects related to site work and infrastructure.


At our core, we are problem solvers. ATA's dedicated and empowered people truly enjoy our client partnerships and the satisfaction of working together to solve their most challenging design problems, creating memorable places that build and lift communities and celebrate where we live.


Loretta Potts was recognized as PBN's 2020Workplace Champion for Medium-Sized Companies. Loretta fills a critical role at ATA, taking care of all the workspace details in an effort to ensure that everyone feels supported so that the staff may focus on servicing clients. Congratulations to our own Claire Fukuoka for recognized for her leadership in the business community as one of Pacific Business News 40 Under 40! "Fukuoka serves as the project manager for several high-profile projects - one of them being traffic signal optimization, which optimized traffic signal timings for 239 traffic signals on Oahu.".