E T

general and precision-cut metal goods, namely, pipes, tubes, pipe fittings, tube fittings, pipe junctions, tube junctions, pipe couplings, tube couplings, and valves not being parts of machines

manufacturing, custom-manufacturing, machining, and flow-forming services of general product lines in the field of metal goods, namely, pipes, tubes, pipe fittings, tube fittings, pipe junctions, tube junctions, pipe couplings, tube couplings, and valves not being parts of machines

Engineering services relating to general product lines in the field of metal goods, namely, pipes, tubes, pipe fittings, tube fittings, pipe junctions, tube junctions, pipe couplings, tube couplings, and valves not being parts of machines