Profile: O'Neill and Co., Ltd. is a supplier of synthetic oils for compressors handling hydrocarbon gases and mixtures, chemical gases, and industrial refrigerants, as well as for vacuum pumps and other equipment. Our lubricants are currently being used in oil refineries, chemical plants, CHP systems, distilleries, land fill gas recovery, oil and gas rigs, liquid gas tankers, carbon dioxide plants, natural gas processing, refrigeration, vehicle air conditioning, building air conditioning, and vacuum pumps.