P.J.R. Construction Company 448 Park Ave, Portsmouth, RI02871 P.J.R. Construction Company, Inc. is a construction company based in Portsmouth and serving Rhode Island and…More Massachusetts. This company specializes in general contracting services, including interior and exterior building renovations. P.J.R. Construction also provides excavation and demolition services, as well as construction management, budgeting, permitting and archirectural design. Call or e-mail this company for a free quote, as well as to inquire about costs and to schedule an appointment.