2021 | 2020 | Name | Country | 2021 | 2020 | 2021 | 2020 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | UnitedHealthcare | United States | $27,308M | $28,324M | AA | AA |
| 2 | 2 | Anthem | United States | $15,901M | $16,599M | AA | AA+ |
| 3 | 3 | Humana | United States | $13,345M | $12,599M | AA | AA |
| 4 | 4 | Optum | United States | $12,396M | $11,924M | AA- | AA- |
| 5 | 8 | Cigna | United States | $7,011M | $7,655M | AA- | AA |
| 6 | 7 | Aetna | United States | $6,558M | $8,411M | AA- | AA |
| 7 | 12 | McKesson | United States | $4,963M | $4,686M | A | A |
| 8 | 10 | Centene Corporation | United States | $4,918M | $5,452M | A+ | A+ |
| 9 | 11 | Express Scripts | United States | $4,608M | $4,946M | A | AA- |
| 10 | 16 | Cardinal Health | United States | $4,434M | $3,990M | A+ | A+ |