The 2003 list of 25 Best Companies to Work for in Peru was produced by Great Place to Work® Institute Perú and published by El Comercio.
| Rank | Companies |
| AFP Horizonte |
| Alusud Perú S.A. (Alcoa) |
| Banco de Crédito del Perú |
| BankBoston N.A. Perú |
| Duke Energy International Egenor |
| El Pacífico Peruano Suiza |
| Ernst & Young |
| Financiera CMR |
| Hipermercados Tottus |
| Kimberly Clark Perú |
| Merck Peruana |
| Merck Sharp & Dohme Perú |
| Metso Minerals Perú |
| Terminal Internacional del Sur |
| Unilever Andina Perú |
| 1 | J&V Resguardo |
| 2 | Microsoft Perú |
| 3 | Procter & Gamble |
| 4 | JW Marriott Hotel Lima |
| 5 | Nextel |
| 6 | Corporación Cormin |
| 7 | Cia Peruana de Medios de Pago (Visanet) |
| 8 | Novasalud |
| 9 | Natura Cosméticos |
| 10 | Interbank |
