Monteiro Electric Inc. has been providing electrical contracting services to our residential and commercial customers since 1994. We are a family owned business committed to high standards of integrity & craftsmanship. Call today for your free estimate! The growing list of satisfied customers will attest to our professionalism, dedication to quality and commitment to finish your job on time & on budget. Dennis Monteiro is the President of Monteiro Electric, Inc. He graduated from the electrical wiring program at Assabet Valley in Marlborough, MA.