GS0401: Custom manufacture of hand tools, refrigeration and air conditioning service equipment
GS0081: Manually operated pipe and tube working tools, namely, tube benders, flaring tools, swaging tools, shears, reamers, deburrers, and pipe and tube cutters; manually-operated ratchet wrenches for tube fittings and fasteners; manually-operated pinch off tools for use in closing or pinching-off tubing; and hand operated wire cutters, crimpers and strippers
GS0071: Pre-assembled service manifolds for servicing refrigeration and air conditioning units, namely, charging manifolds for refrigeration units; coolant charging units, namely, refrigerant manifolds for refrigerators and air conditioners
GS0171: Non-metal hoses for use in the air conditioning and refrigeration service industries