The 2003 list of 40 Mejores Empresas para Trabajar en Argentina was produced by Great Place to Work® Institute Argentina and published by Apertura Magazine
| Rank | Companies |
| 1 | Novo Nordisk |
| 2 | Fedex |
| 3 | SAP |
| 4 | DU PONT |
| 5 | Sheraton Internacional Iguazu Resort |
| 6 | SC Johnson & Son |
| 7 | CHR. HANSEN |
| 8 | Microsoft |
| 9 | Colgate - Palmolive |
| 10 | Becton Dickinson |
| 11 | Llerena & Asociados Abogados |
| 12 | Bruchou, Fernandez Madero & Asoc |
| 13 | McDonald's |
| 14 | Monsanto |
| 15 | MAPFRE |
| 16 | Procter & Gamble |
| 17 | NCR |
| 18 | DOW |
| 19 | BEDSON |
| 20 | US Equities Realty |
| 21 | National Starch and Chemical |
| 22 | Givaudan |
| 23 | Alcon |
| 24 | Kimberly-Clark |
| 25 | AON |
| 26 | CHUBB |
| 27 | Nahuelsat |
| 28 | Banco Rio de la Plata |
| 29 | PILKINGTON |
| 30 | CESVI |
| 31 | Pan American Energy |
| 32 | MassLife |
| 33 | La Porteña |
| 34 | Mary Kay |
| 35 | IFF |
| 36 | Wal-Mart |
| 37 | Schering |
| 38 | Freddo |
| 39 | ALL América Latina Logística |
| 40 | Carbo San Luis |
