| Rank | Company | Operating income | Sector | Industry | Country | Exchange |
|---|---|---|---|---|---|---|
| 1 | $4.54B | Healthcare | Healthcare Providers | United States | NYSE | |
| 2 | $2.13B | Healthcare | Healthcare Providers | United States | NYSE | |
| 3 | $2.06B | Healthcare | Healthcare Providers | United States | NYSE | |
| 4 | $1.63B | Healthcare | Healthcare Providers | United States | NYSE | |
| 5 | $1.50B | Healthcare | Healthcare Providers | United States | NYSE | |
| 6 | $1.36B | Healthcare | Healthcare Providers | United States | NYSE | |
| 7 | $622M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 8 | $467M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 9 | $448M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 10 | $410M | Healthcare | Healthcare Providers | United States | NYSE | |
| 11 | $384M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 12 | $375M | Healthcare | Healthcare Providers | United States | NYSE | |
| 13 | $349M | Healthcare | Healthcare Providers | United States | NYSE | |
| 14 | $334M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 15 | $274M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 16 | $215M | Healthcare | Healthcare Providers | United States | NYSE | |
| 17 | $153M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 18 | $148M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 19 | $145M | Healthcare | Healthcare Providers | United States | NYSE | |
| 20 | $112M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 21 | $108M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 22 | $106M | Healthcare | Healthcare Providers | United States | NYSE | |
| 23 | $106M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 24 | $78.4M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 25 | $76.5M | Healthcare | Healthcare Providers | United States | NYSE | |
| 26 | $70.8M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 27 | $65.4M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 28 | $62.2M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 29 | $44.9M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 30 | $43.3M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 31 | $22.8M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 32 | $2.62M | Healthcare | Healthcare Providers | United States | Nasdaq | |
| 33 | $0.19M | Healthcare | Healthcare Providers | United States | NYSE |