Ralph S. Inouye Co., Ltd. (RSI) is a respected general contracting firm founded in 1962 and headquartered in Honolulu, Hawaii. With over five decades of experience, the company has played a pivotal role in shaping Hawaii's commercial landscape by successfully completing a diverse range of construction, renovation, and engineering projects for federal, state, and city agencies, as well as private entities. Its strong commitment to sustainability and sound business practices enables RSI to handle projects of varying sizes, boasting a bonding capacity exceeding $100 million per project.
The company prides itself on its reputation for quality, responsibility, and integrity—principles that ensure clients receive not only adept project management but also construction services executed by skilled craftsmen. This dedication to excellence has resulted in a multitude of enduring structures, with notable past projects including the Rainbow Place Condominium and various contemporary erections across the islands.
RSI is led by a team that values employee retention and cultivates a supportive work environment, strengthened by family-oriented culture and long-standing relationships with staff. The company’s current leadership is rooted in the legacy of its founder, Ralph Inouye, who was instrumental in establishing RSI as a leading contractor in Hawaii and known for his contributions to the regional construction community.
The vision of Ralph S. Inouye Co. is clear: to maintain its status as Hawaii's premier leader in quality-based construction. This commitment is coupled with a mission to achieve construction excellence while building strong, enduring relationships with clients. The company’s core values of people, quality, trust, honesty, and reliability underscore every project they undertake, reflecting their approach to not just building structures, but crafting legacies for the Hawaiian community.