6
OIL AND GAS DRILLING AND PRODUCTION EQUIPMENT, NAMELY, MANUAL SHUT OFF VALVES, SUBSTRUCTURES TO SUPPORT DRILLING MACHINERY, SKID MOUNTED STEEL ENCLOSURES FOR HOUSING DRILLING EQUIPMENT, MUD TANKS, WATER AND FUEL STORAGE TANKS; SULPHUR POURING TOWERS; SULPHUR FORMS NAMELY, METALLIC FORMS FOR BUILDING SULPHUR MOUNTAINS; AIRCRAFT TRANSPORTABLE PALLETS AND FUEL TANKS FOR REFUELING AIRCRAFT AND OTHER EQUIPMENT AT REMOTE SITES; ALL MADE PRIMARILY OF METAL
7
OIL AND GAS DRILLING PRODUCTION EQUIPMENT, NAMELY, WELLHEADS, PIGGING VALVES, DRILL STABILIZERS, SUCTION SCREENS, FLOATING CUSHION SUBS, AND DECK BUSHINGS; SULPHUR EXPANSION SPOOLS; MANUALLY OPERATED DE-ICING INJECTOR PUMPS
9
OIL AND GAS DRILLING AND PRODUCTION EQUIPMENT, NAMELY, FLUID PRESSURE ACTIVATED ELECTRICAL CONTROL SWITCHES FOR CONTROL OF VALVES; AUTOMATIC AIR INTAKE SHUT-OFF VALVES FOR EMERGENCY ENGINE SHUTDOWN OF WELL DRILLING EQUIPMENT; TEMPERATURE PROFILERS, NAMELY, EQUIPMENT SOLD AS A UNIT COMPRISING A TEMPERATURE SENSING PROBE AND A PROGRAMMABLE COMPUTER CONTROLLED WINCH FOR AUTOMATED WELL STRATA TEMPERATURE PROFILING; AND LIQUID LEVEL CONTROL SWITCHES
11
SULPHUR REMELTERS; FLARESTACK PILOT BURNERS
37
GENERAL CUSTOM STEEL FABRICATION AND CUSTOM FABRICATION OF PROCESS PRESSURE VESSELS FOR END USE IN ENERGY RELATED INDUSTRIES
42
ENGINEERING AND DESIGN SERVICES RELATING TO OIL FIELD EXPLORATION, PRODUCTION AND REFINING APPARATUS
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