6
[ METAL PIPE AND TUBING, WELDING FITTINGS, PIPE VALVES AND PIPE COUPLINGS ]
9
ELECTRICAL CABLES, CABLE ASSEMBLIES AND PRINTED CIRCUITS; AND RECEIVERS, TRANSMITTERS, CONVERTERS, AMPLIFIERS, COMMUTATORS, REGULATORS AND ELECTRONIC FILTERS
9
AIRBORNE TELEMETRY EQUIPMENT,NAMELY, TRANSMITTERS AND RECEIVERS AND EQUIPMENT FOR CONVERTING ELECTRICAL SIGNALS INTO UNITS OF DATA COMPUTERS, AIRCRAFT NAVIGATIONAL DISTANCE MEASURING EQUIPMENT, AND ELECTRONIC COMPONENTS FOR RADAR AND AIRBORNE SYSTEMS-NAMELY, RADAR AUGMENTORS, INFLIGHT CALIBRATORS, VOLTAGE CONTROLLER OSCILLATORS, AND TRANSPONDER SETS
19
[ CONCRETE PRODUCTS-NAMELY, CULVERT PIPE, SEWER PIPE, MANHOLE SECTIONS, MANHOLE CONES, CATCH BASINS, INLETS, METER BOXES, DRAIN TILE, CONCRETE BLOCKS, HAYDITE BLOCKS, PRECASE PILING, PRECAST BRIDGE SLAB, WALL PANELS, RIGHT OF WAY MARKERS, DRAINAGE MARKERS, SURVEY MARKERS, SECTION MARKERS, PROJECT MARKERS, PATIO BLOCKS, PARKING BLOCKS, TELEPHONE VAULTS AND MANHOLES, POWER COMPANY VAULTS AND MANHOLES, LINTELS AND SILLS ]
37
[ CUSTOM MANUFACTURING AND PROCESSING OF PIPE TO THE ORDER AND/OR SPECIFICATION OF OTHERS ]