For Sale!

Used 40′ 9’6″ High Cube Steel Container

For only $5000 + Delivery

 

POLYPHASE SYSTEM INC. (PSI) is a HUBZone certified, Women-owned Small Business domestic corporation with the base of operations located at 176 Pedro Benavente St., Barrigada, Guam. In August 2006, Ronald Carolino owned and founded the business as a Proprietorship. In June 2007, he incorporated the company and appointed Glendalyn Carolino as President and Controller with himself as the Vice President and General Manager. 

OUR GOAL​

PSI is currently engaged in diverse business activities encompassing general construction and subcontracting, catering to the military, the Government of Guam, and the private sector. Our expertise lies in electrical contracting, ranging from low voltage to high voltage projects. PSI holds a commanding presence in the high-voltage market, particularly in areas such as transmission lines and substation works, where there is no local competition. Our primary competitors are external companies outsourced from the United States.