All Categories... Plumbing/HVAC go Results Found: 4 Collins Plumbing & Heating 4 Oak Grove St. Oil City PA 16301 (814) 677-0216 Venango Plumbing & Heating P.O. Box 1168 Oil City PA 16301-0668 (814) 676-2733 Deets Mechanical 247 Gilmore Drive P. O. Box 225 Seneca PA 16346 (814) 676-6665 Siembida Plumbing and Heating Siembida Plumbing and Heating P.O. Box 1226 Oil City PA 16301-5226 (814) 677-5600