Public Utilities & Environment Contractors Construction Management
Founded in 2021 by Randolf Salas, Proferre, Inc. is a premier, locally owned federal contractor based in Tumon, Guam. Derived from the Latin phrase meaning "to develop" or "to grow," the company is dedicated to infrastructure resilience, environmental conservation, and local workforce enrichment. Proferre combines award-winning expertise with a rapidly expanding team of over 170 professionals to serve defense, commercial, and public sectors across the region.
Proferre, Inc. is a HUBZone-certified and Small Disadvantaged Business specializing in comprehensive facility support, environmental consulting, and large-scale specialty contracting. As a trusted partner to the U.S. Department of Defense, we execute critical grounds maintenance, civil earthworks, and site preparation for major installations, including Naval Base Guam and Andersen Air Force Base.Our operations are deeply rooted in ecological stewardship. We provide specialized natural resource monitoring, erosion control, and high-precision salvage and transplantation of protected native flora like cycads and orchids. Recognized for our technical excellence and local commitment, Proferre brings rigorous project management, strict safety standards, and sustainable practices to every commercial and federal assignment on Guam.