| Rank | Company | Market cap | Sector | Industry | Country | Exchange |
|---|---|---|---|---|---|---|
| 1 | $37.2B | Industrials | Professional Services | United States | Nasdaq | |
| 2 | $8.55B | Industrials | Professional Services | United States | Nasdaq | |
| 3 | $4.77B | Industrials | Professional Services | United States | Nasdaq | |
| 4 | $3.32B | Industrials | Professional Services | United States | Nasdaq | |
| 5 | $2.63B | Industrials | Professional Services | United States | Nasdaq | |
| 6 | $2.06B | Industrials | Professional Services | United States | Nasdaq | |
| 7 | $2.00B | Industrials | Professional Services | United States | Nasdaq | |
| 8 | $1.56B | Industrials | Professional Services | United States | Nasdaq | |
| 9 | $1.14B | Industrials | Professional Services | United States | Nasdaq | |
| 10 | $742M | Industrials | Professional Services | United States | Nasdaq | |
| 11 | $568M | Industrials | Professional Services | United States | Nasdaq | |
| 12 | $521M | Industrials | Professional Services | United States | Nasdaq | |
| 13 | $329M | Industrials | Professional Services | United States | Nasdaq | |
| 14 | $281M | Industrials | Professional Services | United States | Nasdaq | |
| 15 | $277M | Industrials | Professional Services | United States | Nasdaq | |
| 16 | $273M | Industrials | Professional Services | United States | Nasdaq | |
| 17 | $222M | Industrials | Professional Services | United States | Nasdaq | |
| 18 | $152M | Industrials | Professional Services | United States | Nasdaq | |
| 19 | $117M | Industrials | Professional Services | United States | Nasdaq | |
| 20 | $91.8M | Industrials | Professional Services | United States | Nasdaq | |
| 21 | $47.7M | Industrials | Professional Services | United States | Nasdaq | |
| 22 | $36.9M | Industrials | Professional Services | United States | Nasdaq | |
| 23 | $31.3M | Industrials | Professional Services | United States | Nasdaq | |
| 24 | $16.1M | Industrials | Professional Services | United States | Nasdaq | |
| 25 | $15.4M | Industrials | Professional Services | United States | Nasdaq | |
| 26 | $11.0M | Industrials | Professional Services | United States | Nasdaq | |
| 27 | $10.3M | Industrials | Professional Services | United States | Nasdaq | |
| 28 | $9.80M | Industrials | Professional Services | United States | Nasdaq | |
| 29 | $8.83M | Industrials | Professional Services | United States | Nasdaq | |
| 30 | $4.85M | Industrials | Professional Services | United States | Nasdaq | |
| 31 | $0.22M | Industrials | Professional Services | United States | Nasdaq | |
| 32 | $0.02M | Industrials | Professional Services | United States | Nasdaq | |
| 33 | Industrials | Professional Services | United States | Nasdaq | ||
| 34 | Industrials | Professional Services | United States | Nasdaq | ||
| 35 | Industrials | Professional Services | United States | Nasdaq | ||
| 36 | Industrials | Professional Services | United States | Nasdaq | ||
| 37 | Industrials | Professional Services | United States | Nasdaq |