| 01 | Engineering ServicesNAICS 541330 | $53.1B | $48.4B | +10% | ▲ 1 |
| 02 | Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)NAICS 541715 | $44.9B | $44B | +2% | ▲ 1 |
| 03 | Aircraft ManufacturingNAICS 336411 | $44.2B | $60.1B | −26% | ▼ 2 |
| 04 | Direct Health and Medical Insurance CarriersNAICS 524114 | $43.9B | $39.3B | +12% | same |
| 05 | Facilities Support ServicesNAICS 561210 | $38.4B | $37.4B | +3% | same |
| 06 | Computer Systems Design ServicesNAICS 541512 | $33.8B | $31.1B | +9% | ▲ 1 |
| 07 | Commercial and Institutional Building ConstructionNAICS 236220 | $30.9B | $32.9B | −6% | ▼ 1 |
| 08 | Guided Missile and Space Vehicle ManufacturingNAICS 336414 | $28.3B | $27.3B | +4% | same |
| 09 | Other Computer Related ServicesNAICS 541519 | $25.5B | $25.5B | 0% | ▲ 1 |
| 10 | Ship Building and RepairingNAICS 336611 | $24.2B | $26.9B | −10% | ▼ 1 |
| 11 | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument ManufacturingNAICS 334511 | $17.2B | $17.1B | 0% | same |
| 12 | Other Aircraft Parts and Auxiliary Equipment ManufacturingNAICS 336413 | $16.9B | $16.2B | +4% | ▲ 1 |
| 13 | Pharmaceutical Preparation ManufacturingNAICS 325412 | $15.9B | $16.7B | −5% | ▼ 1 |
| 14 | Administrative Management and General Management Consulting ServicesNAICS 541611 | $15.1B | $14.3B | +6% | ▲ 1 |
| 15 | All Other Professional, Scientific, and Technical ServicesNAICS 541990 | $14.2B | $14.6B | −2% | ▼ 1 |
| 16 | Petroleum RefineriesNAICS 324110 | $11.7B | $12.7B | −7% | ▲ 1 |
| 17 | Custom Computer Programming ServicesNAICS 541511 | $10.9B | $10.6B | +3% | ▲ 2 |
| 18 | Other Heavy and Civil Engineering ConstructionNAICS 237990 | $10.2B | $9.1B | +12% | ▲ 3 |
| 19 | Research and Development in the Physical, Engineering, and Life SciencesNAICS 541710 | $9.7B | $9.4B | +3% | ▲ 1 |
| 20 | Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)NAICS 541712 | $9.7B | $11.5B | −16% | ▼ 2 |
| 21 | Ammunition (except Small Arms) ManufacturingNAICS 332993 | $9.1B | $8B | +13% | ▲ 1 |
| 22 | Aircraft Engine and Engine Parts ManufacturingNAICS 336412 | $8.4B | $13.7B | −39% | ▼ 6 |
| 23 | Remediation ServicesNAICS 562910 | $7.9B | $7.2B | +9% | ▲ 1 |
| 24 | Other Support Activities for Air TransportationNAICS 488190 | $7.1B | $6.6B | +8% | ▲ 1 |
| 25 | Military Armored Vehicle, Tank, and Tank Component ManufacturingNAICS 336992 | $6.8B | $8B | −14% | ▼ 2 |
| 26 | Software PublishersNAICS 511210 | $6.1B | $5.3B | +15% | ▲ 1 |
| 27 | Security Guards and Patrol ServicesNAICS 561612 | $5.8B | $5.7B | +1% | ▼ 1 |
| 28 | Nonscheduled Chartered Freight Air TransportationNAICS 481212 | $5.1B | $3.8B | +34% | ▲ 4 |
| 29 | Offices of Physicians (except Mental Health Specialists)NAICS 621111 | $5.1B | $2.9B | +74% | ▲ 9 |
| 30 | Radio and Television Broadcasting and Wireless Communications Equipment ManufacturingNAICS 334220 | $5.1B | $4.4B | +16% | ▼ 1 |
| 31 | Medicinal and Botanical ManufacturingNAICS 325411 | $4.7B | $4B | +19% | ▼ 1 |
| 32 | All Other Miscellaneous ManufacturingNAICS 339999 | $4B | $3.9B | +5% | ▼ 1 |
| 33 | Research and Development in Biotechnology (except Nanobiotechnology)NAICS 541714 | $3.9B | $5.1B | −24% | ▼ 5 |
| 34 | Electronic Computer ManufacturingNAICS 334111 | $3.6B | $3.7B | −2% | ▼ 1 |
| 35 | Service Establishment Equipment and Supplies Merchant WholesalersNAICS 423850 | $3.5B | $3.2B | +10% | ▲ 1 |
| 36 | Deep Sea Freight TransportationNAICS 483111 | $3.3B | $3.3B | +1% | ▼ 1 |
| 37 | Computer Facilities Management ServicesNAICS 541513 | $3.3B | $3.3B | −1% | ▼ 3 |
| 38 | Computing Infrastructure Providers, Data Processing, Web Hosting, and Related ServicesNAICS 518210 | $3.1B | $3.1B | −1% | ▼ 1 |
| 39 | Process, Physical Distribution, and Logistics Consulting ServicesNAICS 541614 | $2.7B | $2.3B | +13% | ▲ 4 |
| 40 | Highway, Street, and Bridge ConstructionNAICS 237310 | $2.6B | $2.8B | −8% | ▼ 1 |
| 41 | Other Communications Equipment ManufacturingNAICS 334290 | $2.5B | $2.3B | +12% | ▲ 4 |
| 42 | Hazardous Waste Treatment and DisposalNAICS 562211 | $2.5B | $2.3B | +8% | ▲ 2 |
| 43 | Nonscheduled Chartered Passenger Air TransportationNAICS 481211 | $2.4B | $2.7B | −12% | ▼ 3 |
| 44 | Other Scientific and Technical Consulting ServicesNAICS 541690 | $2.4B | $2B | +16% | ▲ 3 |
| 45 | Drugs and Druggists' Sundries Merchant WholesalersNAICS 424210 | $2.2B | $2B | +10% | ▲ 4 |
| 46 | Power Boiler and Heat Exchanger ManufacturingNAICS 332410 | $2.2B | $1.5B | +51% | ▲ 17 |
| 47 | Wired Telecommunications CarriersNAICS 517110 | $2.2B | $2.5B | −12% | ▼ 5 |
| 48 | Janitorial ServicesNAICS 561720 | $2B | $2B | +1% | ▲ 3 |
| 49 | Surgical and Medical Instrument ManufacturingNAICS 339112 | $2B | $1.5B | +28% | ▲ 13 |
| 50 | All Other Support ServicesNAICS 561990 | $2B | $2.6B | −24% | ▼ 9 |
| 51 | Medical, Dental, and Hospital Equipment and Supplies Merchant WholesalersNAICS 423450 | $1.9B | $1.8B | +3% | ▲ 4 |
| 52 | Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment ManufacturingNAICS 336419 | $1.9B | $1.6B | +14% | ▲ 6 |
| 53 | Advertising AgenciesNAICS 541810 | $1.8B | $2.1B | −14% | ▼ 7 |
| 54 | Biological Product (except Diagnostic) ManufacturingNAICS 325414 | $1.7B | $657.5M | +153% | ▲ 60 |
| 55 | Small Arms, Ordnance, and Ordnance Accessories ManufacturingNAICS 332994 | $1.7B | $1.2B | +42% | ▲ 21 |
| 56 | Industrial Building ConstructionNAICS 236210 | $1.5B | $1.1B | +38% | ▲ 24 |
| 57 | Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts ManufacturingNAICS 336415 | $1.5B | $2B | −24% | ▼ 7 |
| 58 | Automobile ManufacturingNAICS 336111 | $1.5B | $1.6B | −5% | ▲ 2 |
| 59 | Environmental Consulting ServicesNAICS 541620 | $1.5B | $1.4B | +3% | ▲ 6 |
| 60 | General Medical and Surgical HospitalsNAICS 622110 | $1.5B | $1.6B | −10% | ▼ 3 |
| 61 | Commercial BakeriesNAICS 311812 | $1.5B | $1.6B | −8% | ▼ 2 |
| 62 | Offices of Certified Public AccountantsNAICS 541211 | $1.4B | $1.5B | −3% | ▲ 2 |
| 63 | Satellite TelecommunicationsNAICS 517410 | $1.4B | $1.1B | +30% | ▲ 19 |
| 64 | Truck Trailer ManufacturingNAICS 336212 | $1.4B | $1.4B | 0% | ▲ 2 |
| 65 | Electronic and Precision Equipment Repair and MaintenanceNAICS 811210 | $1.4B | $494.3M | +174% | ▲ 71 |
| 66 | Other Electronic Component ManufacturingNAICS 334419 | $1.4B | $1.3B | +1% | ▲ 2 |
| 67 | Small Arms Ammunition ManufacturingNAICS 332992 | $1.3B | $874.8M | +51% | ▲ 27 |
| 68 | Other Electronic and Precision Equipment Repair and MaintenanceNAICS 811219 | $1.3B | $1.9B | −30% | ▼ 14 |
| 69 | Other Activities Related to Credit IntermediationNAICS 522390 | $1.3B | $1.3B | −1% | ▲ 1 |
| 70 | Research and Development in the Social Sciences and HumanitiesNAICS 541720 | $1.3B | $1.1B | +17% | ▲ 8 |
| 71 | Support Activities for ForestryNAICS 115310 | $1.3B | $1.2B | +5% | ▲ 2 |
| 72 | Other Technical and Trade SchoolsNAICS 611519 | $1.3B | $1.4B | −5% | ▼ 5 |
| 73 | Food Service ContractorsNAICS 722310 | $1.3B | $1.2B | +5% | ▲ 1 |
| 74 | Other Management Consulting ServicesNAICS 541618 | $1.3B | $865.3M | +46% | ▲ 21 |
| 75 | Surgical Appliance and Supplies ManufacturingNAICS 339113 | $1.3B | $1.6B | −20% | ▼ 14 |
| 76 | All Other Miscellaneous Food ManufacturingNAICS 311999 | $1.2B | $1.3B | −8% | ▼ 5 |
| 77 | Professional and Management Development TrainingNAICS 611430 | $1.2B | $1.1B | +7% | same |
| 78 | Research and Development in BiotechnologyNAICS 541711 | $1.2B | $1.9B | −38% | ▼ 25 |
| 79 | Water and Sewer Line and Related Structures ConstructionNAICS 237110 | $1.2B | $1.2B | −1% | ▼ 4 |
| 80 | Plumbing, Heating, and Air-Conditioning ContractorsNAICS 238220 | $1.2B | $1B | +11% | ▲ 4 |
| 81 | Explosives ManufacturingNAICS 325920 | $1.1B | $1.1B | +3% | same |
| 82 | Couriers and Express Delivery ServicesNAICS 492110 | $1.1B | $568.6M | +96% | ▲ 46 |
| 83 | Nonferrous Metal (except Aluminum) Smelting and RefiningNAICS 331410 | $1.1B | $2B | −46% | ▼ 35 |
| 84 | Analytical Laboratory Instrument ManufacturingNAICS 334516 | $1.1B | $1.1B | −4% | ▼ 5 |
| 85 | Telemarketing Bureaus and Other Contact CentersNAICS 561422 | $1.1B | $915.4M | +16% | ▲ 5 |
| 86 | Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and ExtrudingNAICS 331491 | $1B | $972M | +7% | ▲ 1 |
| 87 | Fruit and Vegetable CanningNAICS 311421 | $1B | $888.5M | +14% | ▲ 6 |
| 88 | Construction Machinery ManufacturingNAICS 333120 | $1B | $628.9M | +59% | ▲ 28 |
| 89 | Architectural ServicesNAICS 541310 | $978.2M | $1.8B | −46% | ▼ 33 |
| 90 | Temporary Help ServicesNAICS 561320 | $961.8M | $1.3B | −27% | ▼ 21 |
| 91 | Software PublishersNAICS 513210 | $957.4M | $440.6M | +117% | ▲ 52 |
| 92 | Electric Power DistributionNAICS 221122 | $951M | $981.9M | −3% | ▼ 6 |
| 93 | Motor Vehicle Body ManufacturingNAICS 336211 | $927M | $592.8M | +56% | ▲ 28 |
| 94 | Commercial and Service Industry Machinery ManufacturingNAICS 333310 | $915.5M | $282.2M | +224% | ▲ 89 |
| 95 | Irradiation Apparatus ManufacturingNAICS 334517 | $891.3M | $773.2M | +15% | ▲ 5 |
| 96 | Other Accounting ServicesNAICS 541219 | $852.1M | $796.7M | +7% | ▲ 3 |
| 97 | Human Resources Consulting ServicesNAICS 541612 | $842M | $1.1B | −20% | ▼ 14 |
| 98 | Perishable Prepared Food ManufacturingNAICS 311991 | $837.8M | $741.9M | +13% | ▲ 6 |
| 99 | Nursing Care Facilities (Skilled Nursing Facilities)NAICS 623110 | $836.8M | $908.2M | −8% | ▼ 8 |
| 100 | All Other TelecommunicationsNAICS 517919 | $834.6M | $929M | −10% | ▼ 11 |