| 59 | | 651 |
| 43 | | 299 |
| 53 | | 286 |
| Construction | | 251 |
| 1680 | MISCELLANEOUS AIRCRAFT ACCESSORIES AND COMPONENTS | 224 |
| 61 | | 175 |
| 48 | | 153 |
| 25 | | 143 |
| 5998 | ELECTRICAL AND ELECTRONIC ASSEMBLIES, BOARDS, CARDS, AND ASSOCIATED HARDWARE | 122 |
| 47 | | 101 |
| 66 | | 100 |
| 30 | | 93 |
| Y1KF | CONSTRUCTION OF DREDGING FACILITIES | 84 |
| 4820 | VALVES, NONPOWERED | 78 |
| 29 | | 69 |
| X1AA | LEASE/RENTAL OF OFFICE BUILDINGS | 66 |
| Facilities, | | 66 |
| Miscellaneou | | 64 |
| 41 | | 58 |
| 1650 | AIRCRAFT HYDRAULIC, VACUUM, AND DE-ICING SYSTEM COMPONENTS | 51 |
| Architectura | | 45 |
| 1560 | AIRFRAME STRUCTURAL COMPONENTS | 45 |
| 7E20 | | 43 |
| 2840 | GAS TURBINES AND JET ENGINES, AIRCRAFT, PRIME MOVING; AND COMPONENTS | 43 |
| 10 | | 41 |
| Educational | | 39 |
| AC12 | | 37 |
| 7G20 | | 36 |
| 6150 | MISCELLANEOUS ELECTRIC POWER AND DISTRIBUTION EQUIPMENT | 36 |
| 42 | | 35 |
| 1660 | AIRCRAFT AIR CONDITIONING, HEATING, AND PRESSURIZING EQUIPMENT | 34 |
| Transportati | | 33 |
| 6130 | CONVERTERS, ELECTRICAL, NONROTATING | 33 |
| 16 | | 33 |
| Y1LB | CONSTRUCTION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS | 32 |
| 6110 | ELECTRICAL CONTROL EQUIPMENT | 29 |
| 20 | | 29 |
| 81 | | 28 |
| 4810 | VALVES, POWERED | 28 |
| 39 | | 26 |
| Design Servi | | 25 |
| Medical & He | | 24 |
| Information | | 24 |
| 6610 | FLIGHT INSTRUMENTS | 24 |
| 5995 | CABLE, CORD, AND WIRE ASSEMBLIES: COMMUNICATION EQUIPMENT | 24 |
| 28 | | 24 |
| R499 | SUPPORT- PROFESSIONAL: OTHER | 23 |
| R425 | SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | 23 |
| Administrati | | 23 |
| 6605 | NAVIGATIONAL INSTRUMENTS | 23 |
| 44 | | 23 |
| 17 | | 23 |
| Medical & La | | 22 |
| 5999 | MISCELLANEOUS ELECTRICAL AND ELECTRONIC COMPONENTS | 22 |
| 5985 | ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT | 22 |
| 6625 | ELECTRICAL AND ELECTRONIC PROPERTIES MEASURING AND TESTING INSTRUMENTS | 21 |
| 49 | | 21 |
| 12 | | 21 |
| Environmenta | | 19 |
| AC33 | | 19 |
| 9999 | MISCELLANEOUS ITEMS | 19 |
| 99 | | 19 |
| 7A21 | | 19 |
| 4920 | AIRCRAFT MAINTENANCE AND REPAIR SHOP SPECIALIZED EQUIPMENT | 19 |
| J059 | MAINT/REPAIR/REBUILD OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS | 18 |
| AC13 | | 18 |
| 72000000 | | 18 |
| 4320 | POWER AND HAND PUMPS | 18 |
| 31 | | 18 |
| 15 | | 18 |
| Y1PZ | CONSTRUCTION OF OTHER NON-BUILDING FACILITIES | 17 |
| Vehicles & E | | 17 |
| 6640 | LABORATORY EQUIPMENT AND SUPPLIES | 17 |
| 62 | | 17 |
| Z2DA | REPAIR OR ALTERATION OF HOSPITALS AND INFIRMARIES | 16 |
| 5935 | CONNECTORS, ELECTRICAL | 16 |
| 5930 | SWITCHES | 16 |
| Z2AA | REPAIR OR ALTERATION OF OFFICE BUILDINGS | 15 |
| Z1DA | MAINTENANCE OF HOSPITALS AND INFIRMARIES | 15 |
| G004 | SOCIAL- SOCIAL REHABILITATION | 15 |
| 5340 | HARDWARE, COMMERCIAL | 15 |
| 45 | | 15 |
| 1377 | CARTRIDGE AND PROPELLANT ACTUATED DEVICES AND COMPONENTS | 15 |
| Y1DA | CONSTRUCTION OF HOSPITALS AND INFIRMARIES | 14 |
| J065 | MAINT/REPAIR/REBUILD OF EQUIPMENT- MEDICAL, DENTAL, AND VETERINARY EQUIPMENT AND SUPPLIES | 14 |
| Financial | | 14 |
| DG11 | IT and Telecom - Network: Satellite Communications and Telecom Access Services | 14 |
| Agriculture, | | 14 |
| AJ11 | | 14 |
| Z2JZ | REPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS | 13 |
| Utilities & | | 13 |
| J999 | NON-NUCLEAR SHIP REPAIR (WEST) | 13 |
| 93 | | 13 |
| 6685 | PRESSURE, TEMPERATURE, AND HUMIDITY MEASURING AND CONTROLLING INSTRUMENTS | 13 |
| 6505 | DRUGS AND BIOLOGICALS | 13 |
| 5925 | CIRCUIT BREAKERS | 13 |
| 5895 | MISCELLANEOUS COMMUNICATION EQUIPMENT | 13 |
| 4730 | HOSE, PIPE, TUBE, LUBRICATION, AND RAILING FITTINGS | 13 |
| 2915 | ENGINE FUEL SYSTEM COMPONENTS, AIRCRAFT AND MISSILE PRIME MOVERS | 13 |
| Y1JZ | CONSTRUCTION OF MISCELLANEOUS BUILDINGS | 12 |
| S201 | HOUSEKEEPING- CUSTODIAL JANITORIAL | 12 |
| J998 | NON-NUCLEAR SHIP REPAIR (EAST) | 12 |
| F108 | ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION | 12 |
| AJ12 | | 12 |
| 95 | | 12 |
| 90927 | | 12 |
| 5841 | RADAR EQUIPMENT, AIRBORNE | 12 |
| S218 | HOUSEKEEPING- SNOW REMOVAL/SALT | 11 |
| AN13 | | 11 |
| AC11 | | 11 |
| 913-45 | | 11 |
| 5975 | ELECTRICAL HARDWARE AND SUPPLIES | 11 |
| 5821 | RADIO AND TELEVISION COMMUNICATION EQUIPMENT, AIRBORNE | 11 |
| 34 | | 11 |
| 1630 | AIRCRAFT WHEEL AND BRAKE SYSTEMS | 11 |
| S205 | HOUSEKEEPING- TRASH/GARBAGE COLLECTION | 10 |
| R418 | SUPPORT- PROFESSIONAL: LEGAL | 10 |
| J041 | MAINT/REPAIR/REBUILD OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | 10 |
| J016 | MAINT/REPAIR/REBUILD OF EQUIPMENT- AIRCRAFT COMPONENTS AND ACCESSORIES | 10 |
| DA10 | IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SOFTWARE AS A SERVICE | 10 |
| Advertising, | | 10 |
| 90924 | | 10 |
| 84 | | 10 |
| 7B22 | | 10 |
| 6515 | MEDICAL AND SURGICAL INSTRUMENTS, EQUIPMENT, AND SUPPLIES | 10 |
| 6220 | ELECTRIC VEHICULAR LIGHTS AND FIXTURES | 10 |
| 6120 | TRANSFORMERS: DISTRIBUTION AND POWER STATION | 10 |
| 4720 | HOSE AND FLEXIBLE TUBING | 10 |
| 4330 | CENTRIFUGALS, SEPARATORS, AND PRESSURE AND VACUUM FILTERS | 10 |
| 3110 | BEARINGS, ANTIFRICTION, UNMOUNTED | 10 |
| 2995 | MISCELLANEOUS ENGINE ACCESSORIES, AIRCRAFT | 10 |
| S208 | HOUSEKEEPING- LANDSCAPING/GROUNDSKEEPING | 9 |
| J066 | MAINT/REPAIR/REBUILD OF EQUIPMENT- INSTRUMENTS AND LABORATORY EQUIPMENT | 9 |
| C219 | ARCHITECT AND ENGINEERING- GENERAL: OTHER | 9 |
| 91396 | | 9 |
| 909-24 | | 9 |
| 6680 | LIQUID AND GAS FLOW, LIQUID LEVEL, AND MECHANICAL MOTION MEASURING INSTRUMENTS | 9 |
| 65 | | 9 |
| 58 | | 9 |
| 54 | | 9 |
| 2815 | DIESEL ENGINES AND COMPONENTS | 9 |
| 26 | | 9 |
| 071-80 | | 9 |
| R706 | SUPPORT- MANAGEMENT: LOGISTICS SUPPORT | 8 |
| R497 | SUPPORT- PROFESSIONAL: PERSONAL SERVICES CONTRACTS | 8 |
| R408 | SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT | 8 |
| J036 | MAINT/REPAIR/REBUILD OF EQUIPMENT- SPECIAL INDUSTRY MACHINERY | 8 |
| DA01 | IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR) | 8 |
| 98836 | | 8 |
| 91395 | | 8 |
| 91039 | | 8 |
| 90900 | | 8 |
| 6830 | GASES: COMPRESSED AND LIQUEFIED | 8 |
| 6635 | PHYSICAL PROPERTIES TESTING AND INSPECTION | 8 |
| 6350 | MISCELLANEOUS ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS | 8 |
| 6145 | WIRE AND CABLE, ELECTRICAL | 8 |
| 4710 | PIPE, TUBE AND RIGID TUBING | 8 |
| 4210 | FIRE FIGHTING EQUIPMENT | 8 |
| 4140 | FANS, AIR CIRCULATORS, AND BLOWER EQUIPMENT | 8 |
| 40 | | 8 |
| 2925 | ENGINE ELECTRICAL SYSTEM COMPONENTS, AIRCRAFT PRIME MOVING | 8 |
| Z2FF | REPAIR OR ALTERATION OF PENAL FACILITIES | 7 |
| Z1KF | MAINTENANCE OF DREDGING FACILITIES | 7 |
| Z1AA | MAINTENANCE OF OFFICE BUILDINGS | 7 |
| Y1NZ | CONSTRUCTION OF OTHER UTILITIES | 7 |
| Y1NE | CONSTRUCTION OF WATER SUPPLY FACILITIES | 7 |
| Y1AZ | CONSTRUCTION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS | 7 |
| V124 | TRANSPORTATION/TRAVEL/RELOCATION- TRANSPORTATION: MARINE CHARTER | 7 |
| U099 | EDUCATION/TRAINING- OTHER | 7 |
| Safety & Sec | | 7 |
| S216 | HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT | 7 |
| Q301 | REFERENCE LABORATORY TESTING | 7 |
| Q201 | MEDICAL- MANAGED HEALTHCARE | 7 |
| Legal & Inve | | 7 |
| 95826 | | 7 |
| 91200 | | 7 |
| 73 | | 7 |
| 6695 | COMBINATION AND MISCELLANEOUS INSTRUMENTS | 7 |
| 5996 | AMPLIFIERS | 7 |
| 5330 | PACKING AND GASKET MATERIALS | 7 |
| 4940 | MISCELLANEOUS MAINTENANCE AND REPAIR SHOP SPECIALIZED EQUIPMENT | 7 |
| 3120 | BEARINGS, PLAIN, UNMOUNTED | 7 |
| 3040 | MISCELLANEOUS POWER TRANSMISSION EQUIPMENT | 7 |
| 2530 | VEHICULAR BRAKE, STEERING, AXLE, WHEEL, AND TRACK COMPONENTS | 7 |
| 2040 | MARINE HARDWARE AND HULL ITEMS | 7 |
| 1720 | AIRCRAFT LAUNCHING EQUIPMENT | 7 |
| V221 | TRANSPORTATION/TRAVEL/RELOCATION- TRAVEL/LODGING/RECRUITMENT: PASSENGER AIR CHARTER | 6 |
| Real Propert | | 6 |
| M1PA | OPERATION OF RECREATION FACILITIES (NON-BUILDING) | 6 |
| J020 | MAINT/REPAIR/REBUILD OF EQUIPMENT- SHIP AND MARINE EQUIPMENT | 6 |
| G007 | SOCIAL- GOVERNMENT HEALTH INSURANCE PROGRAMS | 6 |
| 98852 | | 6 |
| 91223 | | 6 |
| 910-36 | | 6 |
| 80000000 | | 6 |
| 7G21 | | 6 |
| 6105 | MOTORS, ELECTRICAL | 6 |
| 5831 | INTERCOMMUNICATION AND PUBLIC ADDRESS SYSTEMS, AIRBORNE | 6 |
| 3655 | GAS GENERATING AND DISPENSING SYSTEMS, FIXED OR MOBILE | 6 |
| 3010 | TORQUE CONVERTERS AND SPEED CHANGERS | 6 |
| 2835 | GAS TURBINES AND JET ENGINES; NON-AIRCRAFT PRIME MOVER, AIRCRAFT NON-PRIME MOVER, AND COMPONENTS | 6 |
| 2090 | MISCELLANEOUS SHIP AND MARINE EQUIPMENT | 6 |
| 1730 | AIRCRAFT GROUND SERVICING EQUIPMENT | 6 |
| 1620 | AIRCRAFT LANDING GEAR COMPONENTS | 6 |
| 1270 | AIRCRAFT GUNNERY FIRE CONTROL COMPONENTS | 6 |
| Z2QA | REPAIR OR ALTERATION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE) | 5 |
| Z2LB | REPAIR OR ALTERATION OF HIGHWAYS/ROADS/STREETS/BRIDGES/RAILWAYS | 5 |
| Z2KA | REPAIR OR ALTERATION OF DAMS | 5 |
| Z1LB | MAINTENANCE OF HIGHWAYS/ROADS/STREETS/BRIDGES/RAILWAYS | 5 |
| Y1DZ | CONSTRUCTION OF OTHER HOSPITAL BUILDINGS | 5 |
| Y1BZ | CONSTRUCTION OF OTHER AIRFIELD STRUCTURES | 5 |
| S209 | HOUSEKEEPING- LAUNDRY/DRYCLEANING | 5 |
| S207 | HOUSEKEEPING- INSECT/RODENT CONTROL | 5 |
| S203 | HOUSEKEEPING- FOOD | 5 |
| R699 | SUPPORT- ADMINISTRATIVE: OTHER | 5 |
| R430 | SUPPORT- PROFESSIONAL: PHYSICAL SECURITY AND BADGING | 5 |
| M1HA | OPERATION OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) R&D FACILITIES | 5 |
| J045 | MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | 5 |
| G009 | SOCIAL- NON-GOVERNMENT INSURANCE PROGRAMS | 5 |
| Food, Bevera | | 5 |
| Building and | | 5 |
| AS12 | | 5 |
| AC32 | | 5 |
| 92536 | | 5 |
| 913-60 | | 5 |
| 91276 | | 5 |
| 91066 | | 5 |
| 90922 | | 5 |
| 8945 | FOOD, OILS AND FATS | 5 |
| 6810 | CHEMICALS | 5 |
| 6650 | OPTICAL INSTRUMENTS, TEST EQUIPMENT, COMPONENTS AND ACCESSORIES | 5 |
| 6620 | ENGINE INSTRUMENTS | 5 |
| 6615 | AUTOMATIC PILOT MECHANISMS AND AIRBORNE GYRO COMPONENTS | 5 |
| 6540 | OPHTHALMIC INSTRUMENTS, EQUIPMENT, AND SUPPLIES | 5 |
| 5836 | VIDEO RECORDING AND REPRODUCING EQUIPMENT | 5 |
| 5180 | SETS, KITS, AND OUTFITS OF HAND TOOLS | 5 |
| 4120 | AIR CONDITIONING EQUIPMENT | 5 |
| 4010 | CHAIN AND WIRE ROPE | 5 |
| 22000000 | | 5 |
| 208-11 | | 5 |
| Z2AZ | REPAIR OR ALTERATION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS | 4 |
| Z1NB | MAINTENANCE OF HEATING AND COOLING PLANTS | 4 |
| Y1QA | CONSTRUCTION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE) | 4 |
| Y1NA | CONSTRUCTION OF FUEL SUPPLY FACILITIES | 4 |
| Y1KZ | CONSTRUCTION OF OTHER CONSERVATION AND DEVELOPMENT FACILITIES | 4 |
| X1PZ | LEASE/RENTAL OF OTHER NON-BUILDING FACILITIES | 4 |
| X1PC | LEASE/RENTAL OF UNIMPROVED REAL PROPERTY (LAND) | 4 |
| X1GZ | LEASE/RENTAL OF OTHER WAREHOUSE BUILDINGS | 4 |
| X1DB | LEASE/RENTAL OF LABORATORIES AND CLINICS | 4 |
| V112 | TRANSPORTATION/TRAVEL/RELOCATION- TRANSPORTATION: MOTOR FREIGHT | 4 |
| T011 | PHOTO/MAP/PRINT/PUBLICATION- PRINT/BINDING | 4 |
| S222 | HOUSEKEEPING- WASTE TREATMENT/STORAGE | 4 |
| S206 | HOUSEKEEPING- GUARD | 4 |
| R799 | SUPPORT- MANAGEMENT: OTHER | 4 |
| Q522 | MEDICAL- RADIOLOGY | 4 |
| Lease and re | | 4 |
| J063 | MAINT/REPAIR/REBUILD OF EQUIPMENT- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS | 4 |
| General buil | | 4 |
| Facility mai | | 4 |
| Ecosystems | | 4 |
| C211 | ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING | 4 |
| AC31 | | 4 |
| 968-72 | | 4 |
| 96258 | | 4 |
| 92508 | | 4 |
| 920-03 | | 4 |
| 91867 | | 4 |
| 9140 | FUEL OILS | 4 |
| 91360 | | 4 |
| 91356 | LIQUID PROPELLANT FUELS AND OXIDIZERS, CHEMICAL BASE | 4 |
| 91345 | | 4 |
| 90930 | | 4 |
| 90921 | | 4 |
| 90656 | | 4 |
| 8145 | SPECIALIZED SHIPPING AND STORAGE CONTAINERS | 4 |
| 6645 | TIME MEASURING INSTRUMENTS | 4 |
| 6630 | CHEMICAL ANALYSIS INSTRUMENTS | 4 |
| 63 | | 4 |
| 6140 | BATTERIES, RECHARGEABLE | 4 |
| 6115 | GENERATORS AND GENERATOR SETS, ELECTRICAL | 4 |
| 5980 | OPTOELECTRONIC DEVICES AND ASSOCIATED HARDWARE | 4 |
| 5963 | ELECTRONIC MODULES | 4 |
| 5855 | NIGHT VISION EQUIPMENT, EMITTED AND REFLECTED RADIATION | 4 |
| 5826 | RADIO NAVIGATION EQUIPMENT, AIRBORNE | 4 |
| 5810 | COMMUNICATIONS SECURITY EQUIPMENT AND COMPONENTS | 4 |
| 5510 | LUMBER AND RELATED BASIC WOOD MATERIALS | 4 |
| 5410 | PREFABRICATED AND PORTABLE BUILDINGS | 4 |
| 5306 | BOLTS | 4 |
| 4310 | COMPRESSORS AND VACUUM PUMPS | 4 |
| 4130 | REFRIGERATION AND AIR CONDITIONING COMPONENTS | 4 |
| 38541 | | 4 |
| 3020 | GEARS, PULLEYS, SPROCKETS, AND TRANSMISSION CHAIN | 4 |
| 2935 | ENGINE SYSTEM COOLING COMPONENTS, AIRCRAFT PRIME MOVING | 4 |
| 1615 | HELICOPTER ROTOR BLADES, DRIVE MECHANISMS AND COMPONENTS | 4 |
| 1550 | UNMANNED AIRCRAFT | 4 |
| 15010 | | 4 |
| 1285 | FIRE CONTROL RADAR EQUIPMENT, EXCEPT AIRBORNE | 4 |
| 1240 | OPTICAL SIGHTING AND RANGING EQUIPMENT | 4 |
| 1005 | GUNS, THROUGH 30MM | 4 |
| Z2PZ | REPAIR OR ALTERATION OF OTHER NON-BUILDING FACILITIES | 3 |