Rio's largest companies
| Vale | R$415 billion |
| Petrobras | R$372 billion |
| Eletrobras | R$80 billion |
| Rede D'Or São Luiz | R$63 billion |
| Prio | R$33 billion |
| Tim | R$30 billion |
| CSN Siderúrgia | R$23 billion |
| Naturgy | R$22 billion |
| Litel Participações | R$18.7 billion |
| Eneva | R$18 billion |
| Vibra Energia | R$17.6 billion |
| Multiplan | R$14.8 billion |
| Taesa | R$12.3 billion |
| Aliansce Sonae | R$10.5 billion |
| 3R Petroleum | R$8 billion |