| Rank | Company | Market cap | Sector | Industry | Country | Exchange |
|---|---|---|---|---|---|---|
| 1 | $15.3B | Industrials | Professional Services | United States | NYSE | |
| 2 | $14.3B | Industrials | Professional Services | United States | NYSE | |
| 3 | $12.3B | Industrials | Professional Services | United States | NYSE | |
| 4 | $10.2B | Industrials | Professional Services | United States | NYSE | |
| 5 | $8.77B | Industrials | Professional Services | United States | NYSE | |
| 6 | $7.74B | Industrials | Professional Services | United States | NYSE | |
| 7 | $7.65B | Industrials | Professional Services | United States | NYSE | |
| 8 | $5.83B | Industrials | Professional Services | United States | NYSE | |
| 9 | $3.88B | Industrials | Professional Services | United States | NYSE | |
| 10 | $2.22B | Industrials | Professional Services | United States | NYSE | |
| 11 | $659M | Industrials | Professional Services | United States | NYSE | |
| 12 | $481M | Industrials | Professional Services | United States | NYSE | |
| 13 | $448M | Industrials | Professional Services | United States | NYSE | |
| 14 | $205M | Industrials | Professional Services | United States | NYSE | |
| 15 | $80.0M | Industrials | Professional Services | United States | NYSE | |
| 16 | $58.0M | Industrials | Professional Services | United States | NYSE | |
| 17 | $17.6M | Industrials | Professional Services | United States | NYSE | |
| 18 | Industrials | Professional Services | United States | NYSE |