120 papetroleum.org S. & W. PETROLEUM SERVICES INC. Dillsburg, PA (717) 766-3331 TOTAL TANK WORKS LLC East Butler, PA (724) 285-4258 WCC TANK TECHNOLOGY, INC. Montgomery, NY (845) 564-9555 Tanks, Underground Storage – Cleaning and Lining AEG ENVIRONMENTAL INC Hanover, PA (410) 876-0764 ELK ENVIRONMENTAL SERVICES Reading, PA (610) 372-4760 HAFER PETROLEUM EQUIPMENT, LTD. Birdsboro, PA (800) 422-8135 (610) 376-9738 HILTZ PROPANE SYSTEMS, LLC Marietta, PA (717) 799-4322 JMT ENVIRONMENTAL TECHNOLOGIES, INC. Lehigh Valley, PA (610) 837-8000 MPW INDUSTRIAL SERVICES, INC. Dravosburg, PA (412) 906-0552 OWL SERVICES (FORMERLY KEYSTONE, DARK HORSE AND CROMPCO - NOW OWL SERVICES AFFILIATED COMPANIES) Mechanicsburg, PA (800) 646-3161 (800) 526-3629 PROFESSIONAL PETROLEUM SERVICE CO. Williamsport, PA (570) 322-5525 S. & W. PETROLEUM SERVICES INC. Dillsburg, PA (717) 766-3331 TOTAL TANK WORKS LLC East Butler, PA (724) 285-4258 WCC TANK TECHNOLOGY, INC. Montgomery, NY (845) 564-9555 Tanks, Underground Storage – Disposal AEG ENVIRONMENTAL INC Hanover, PA (410) 876-0764 BOLGER BROTHERS, INC. Altoona, PA (800) 944-4059 (814) 944-4059 ELK ENVIRONMENTAL SERVICES Reading, PA (610) 372-4760 HAFER PETROLEUM EQUIPMENT, LTD. Birdsboro, PA (800) 422-8135 (610) 376-9738 HILTZ PROPANE SYSTEMS, LLC Marietta, PA (717) 799-4322 JMT ENVIRONMENTAL TECHNOLOGIES, INC. Lehigh Valley, PA (610) 837-8000 MPW INDUSTRIAL SERVICES, INC. Dravosburg, PA (412) 906-0552 NEXUS ENERGY SERVICES Canonsburg, PA (301) 448-7464 PINE RUN CONSTRUCTION CORP. Doylestown, PA (215) 348-4500 PROFESSIONAL PETROLEUM SERVICE CO. Williamsport, PA (570) 322-5525
