| Rank | Industry | Estimated Number of Workers | Estimated Financial Size (USD) |
|---|---|---|---|
| 1 | Construction | 7M+ | $1,300B+ |
| 2 | Automotive Manufacturing | 8M+ | $2,000B+ |
| 3 | Oil and Gas Extraction | 5M+ | $3,300B+ |
| 4 | Electric Power Generation, Transmission | 2M+ | $300B+ |
| 5 | Healthcare Support Services | 5M+ | $1,200B+ |
| 6 | Steel Manufacturing | 2M+ | $500B+ |
| 7 | Commercial Shipbuilding and Repair | 1M+ | $150B+ |
| 8 | Chemical Manufacturing | 1.5M+ | $800B+ |
| 9 | Mining (excluding Oil and Gas) | 1M+ | $600B+ |
| 10 | Agriculture and Farming | 30M+ (globally) | $2,400B+ |
| 11 | Food Processing and Manufacturing | 2.5M+ | $2,000B+ |
| 12 | Telecommunications Infrastructure | 1M+ | $1,400B+ |
| 13 | Rail Transportation | 1.5M+ | $500B+ |
| 14 | Aerospace and Defense | 2M+ | $900B+ |
| 15 | Marine Fishing and Processing | 200K+ | $240B+ |
| 16 | Forestry and Logging | 500K+ | $100B+ |
| 17 | Textile Manufacturing | 2M+ | $100B+ |
| 18 | Paper and Pulp Industry | 500K+ | $300B+ |
| 19 | Electronics and Appliance Manufacturing | 2M+ | $1,000B+ |
| 20 | Waste Management and Remediation Services | 500K+ | $75B+ |
| 21 | Water Supply, Sewage, and Waste Systems | 500K+ | $100B+ |
| 22 | Pharmaceutical and Medicine Manufacturing | 600K+ | $1,200B+ |
| 23 | Plastics and Rubber Products Manufacturing | 1M+ | $500B+ |
| 24 | Furniture and Related Product Manufacturing | 500K+ | $60B+ |
| 25 | HVAC and Commercial Refrigeration Equipment | 300K+ | $100B+ |