| # | Institution | Type | Metro | Assets | Efficiency ratio |
|---|---|---|---|---|---|
| 1 | Nave Bank San Juan, PR | Bank | San Juan-Bayamon-Caguas, PR | $555.0M | 105.83% |
| 2 | Puerto Rico Federal Credit Union Caparra, PR | Credit Union | — | $187.2M | 73.56% |
| 3 | Banco Popular de Puerto Rico San Juan, PR | Bank | San Juan-Bayamon-Caguas, PR | $63.34B | 56.26% |
| 4 | Oriental Bank San Juan, PR | Bank | San Juan-Bayamon-Caguas, PR | $12.04B | 51.71% |
| 5 | FirstBank Puerto Rico Santurce, PR | Bank | San Juan-Bayamon-Caguas, PR | $19.22B | 49.07% |
| 6 | Caribe Federal Credit Union San Juan, PR | Credit Union | — | $789.8M | 40.22% |