Duphil is a solutions-based pipeline contractor that prides itself in their ability to complete safe, quality projects leading to its outstanding reputation amongst the clients it serves. Our culture, experience, and most importantly our people set us apart within the industry. Our Services include: Mainline pipeline construction Wetland, marsh, low lying terrain, shallow water, and environmentally sensitive area pipeline construction Congested corridor pipeline construction Compressor, pump, and meter station construction Pipeline lowering, relocations, and class changes Pipeline integrity assessment and repair Directional and convention boring R.O.W. maintenance Civil and dirt work Scheduling Constructability consultation