Rio's largest companies
| Vale | R$415.00 billion |
| Petrobras | R$372.00 billion |
| Eletrobras | R$80.00 billion |
| Rede D'Or São Luiz | R$63.00 billion |
| Prio | R$33.00 billion |
| Tim | R$30.00 billion |
| CSN Siderúrgia | R$23.00 billion |
| Naturgy | R$22.00 billion |
| Litel Participações | R$18.70 billion |
| Eneva | R$18.00 billion |
| Vibra Energia | R$17.60 billion |
| Multiplan | R$14.80 billion |
| Taesa | R$12.30 billion |
| Aliansce Sonae | R$10.50 billion |
| 3R Petroleum | R$8.00 billion |