H156 - QUALITY CONTROL- CONSTRUCTION AND BUILDING MATERIALS
H300 - NO DESCRIPTION AVAILABLE
H335 - INSPECT SVCS/SERVICE & TRADE EQ
H338 - INSPECT SVCS/CONTRUCT EQ
H343 - INSPECTION- PUMPS AND COMPRESSORS
H345 - INSPECT SVCS/PLUMBING-HEATING EQ
H348 - INSPECT SVCS/VALVES
H356 - INSPECT SVCS/CONTRUCT MATERIAL
H361 - INSPECTION- ELECTRIC WIRE AND POWER DISTRIBUTION EQUIPMENT
H391 - INSPECTION- FUELS, LUBRICANTS, OILS, AND WAXES
H399 - INSPECTION- MISCELLANEOUS
H900 - NO DESCRIPTION AVAILABLE
H936 - OTHER QC SVCS/SP INDUSTRY MACHINERY
H938 - OTHER QC/TEST/INSPECT- CONSTRUCTION, MINING, EXCAVATING, AND HIGHWAY MAINTENANCE EQUIPMENT
H943 - OTHER QC SVCS/PUMPS & COMPRESSORS
H945 - OTHER QC SVCS/PLUMBING-HEATING EQ
H946 - OTHER QC SVCS/WATER PURIFICATION EQ
H947 - OTHER QC SVCS/PIPE-TUBING-HOSE
H948 - OTHER QC SVCS/VALVES
H991 - OTHER QC SVCS/FUELS-LUBRICANTS-OILS
J056 - MAINT-REP OF CONTRUCT MATERIAL
N045 - INSTALL OF PLUMBING-HEATING EQ
N056 - INSTALL OF CONTRUCT MATERIAL
Y1KB - CONSTRUCTION OF CANALS
Y1LB - CONSTRUCTION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS