Reaction Co. is a general contracting firm that performs a wide array of construction projects on Guam, CNMI & Micronesia. It is currently managed by its owner, Randy G. Sager. We accomplish a majority of our work with our own workforce. Our clients include the US Military, Federal Government and the Govt. of Guam. Our projects include Commercial & Industrial buildings, Civil construction with site and utilities development. Reaction Co. will continue to develop our satisfied client base, by performing construction projects that will endure the demands of today’s business requirements along with our focus on project quality and professional performance by our employees, management team and trusted subcontractors.