| 1 | Ministerio De Hacienda | Elsalvador | San Salvador | Boulevard de Los Heroes No. 1231 | San Salvador | N/A | N/A | 1950 | $7,736,400,000 | 100 | | 65 | N/A |
| 2 | Poma Hermanos S.A. De C.V. | Elsalvador | San Salvador | Blvd. Constitucion #169 | San Salvador | N/A | N/A | 1919 | $1,558,550,000 | 10,000 | Corporation | 24 | 06140908610016 |
| 3 | La Centroamericana S.A. | Elsalvador | San Salvador | Alameda Roosevelt No. 3107 | N/A | N/A | N/A | 1999 | $1,541,418,000 | 85 | Corporation | 597 | N/A |
| 4 | Ministerio De Educacion Y De Ciencia Y Tecnologia | Elsalvador | San Salvador | Edificio A1 2do Nivel | San Salvador | N/A | N/A | 1940 | $1,451,558,263 | 600 | Government body | 65 | N/A |
| 5 | Ministerio De Salud Publica Y Asistencia Social | Elsalvador | San Salvador | Calle Arce No. 827 | San Salv | N/A | N/A | 1990 | $1,276,592,553 | 20,373 | Government body | 5 | 06140101220032 |
| 6 | Banco Centroamericano De Integracion Economica | Elsalvador | San Salvador | Calle la Reforma No. 130 | San Salvador | N/A | N/A | 1960 | $1,017,643,000 | 315 | | N/A | N/A |
| 7 | Instituto Salvadoreno De Seguro Social | Elsalvador | San Salvador | Alameda Juan Pablo Ii Y 39 Avenida Norte Edf Iss | San Salv | N/A | N/A | 1949 | $900,125,265 | 14,365 | Government body | 65 | 06140312530021 |
| 8 | Inversiones Financieras Grupo Imperia Cuscatlan. S.A. | Elsalvador | La Libertad | Km. 10 Carretera A Santa Tecla | San Salvador | 2942 | N/A | 2004 | $683,905,000 | 10 | Corporation | 7 | 06112602021018 |
| 9 | Banco Azul De El Salvador, S.A. | Elsalvador | San Salvador | Ave Olimpica Y Alameda Manuel Enrique Araujo # 355. | San Salvador | 1101 | N/A | 2013 | $550,492,000 | 455 | Corporation | N/A | 06142309131046 |
| 10 | Alutech El Salvador S.A. De C.V. | Elsalvador | San Miguel | Panamericana Km 142.3 | San Miguel | N/A | N/A | 2012 | $503,688,856 | 30 | Corporation | 138 | 0501260312101 |
| 11 | Compania De Alumbrado Electrico De San Salvador S.A. De C.V. | Elsalvador | San Salvador | Calle el Bambu Colonia San Antonio | San Salvador | N/A | N/A | 1890 | $476,000,000 | 544 | Corporation | 779 | 06141711900013 |
| 12 | Policia Nacional Civil De El Salvador | Elsalvador | San Salvador | 6ta Calle Oriente Entre 8a | San Salvador | N/A | N/A | 1992 | $402,086,000 | 23,000 | Government body | 65 | N/A |
| 13 | Distribuidora De Electricidad Del Sur, S.A. De C.V. | Elsalvador | Santa Tecla | Final 17 Av. Norte Y Calle al Boqueron | La Libertad | N/A | N/A | 1995 | $391,035,972 | 595 | Corporation | 3 | 06141611951013 |
| 14 | Seguros E Inversiones, S.A. | Elsalvador | La Libertad | Carretera A Santa Tecla Km. 10 ½, Edificio Sisa | Libertad | N/A | N/A | 1962 | $366,853,000 | 90 | Corporation | 7 | 06141202620014 |
| 15 | Telemovil El Salvador S.A. De C.V. | Elsalvador | La Libertad | Carretera al Puerto de la Libertad Km 16.5 | La Libertad | N/A | N/A | 2013 | $356,431,500 | 4,500 | Corporation | 43 | 06142303911015 |
| 16 | Banco Cuscatlan De El Salvador S.A. | Elsalvador | La Libertad | Carretera Panamericana A Santa Tecla Km. 10.5 | La Libertad | N/A | N/A | 2008 | $344,843,500 | 1,800 | Corporation | 7 | 06140806720015 |
| 17 | Hsbc El Salvador | Elsalvador | San Salvador | Centro Financiero Banco Salvadoreno Alameda Dr. | San Salvador | N/A | N/A | 2000 | $326,777,400 | 1,800 | Corporation | 5527 | 06141709940015 |
| 18 | Aeromantenimiento Sociedad Anonima | Elsalvador | La Paz | Aeropuerto Internacional de el Salvador, Acceso #6 | La Paz | N/A | N/A | 2014 | $322,110,414 | 3,800 | Corporation | 4 | 06143009830016 |
| 19 | ST. Jack's Export CORPORATION | Elsalvador | Antiguo Cuscatlan | Zona Industrial la Laguna, | San Salv | N/A | N/A | 1997 | $281,500,000 | 4,000 | Corporation | 2 | 06142701981010 |
| 20 | Banco Davivienda Salvadoreno, S.A. | Elsalvador | San Salvador | Edificio Centro Financiero Davivienda Av. Olímpica No. 3550. | San Salvador | 1101 | N/A | 1885 | $271,662,600 | 1,938 | Corporation | N/A | 06141709940015 |
| 21 | La Constancia LTDA De C.V. | Elsalvador | San Salvador | Ave. Independencia No. 526 | San Salv | N/A | N/A | 2002 | $269,293,930 | 1,630 | Corporation | 1216 | 06142510021011 |
| 22 | Banco Central De Reserva De El Salvador | Elsalvador | San Salvador | Alameda Juan Pablo Ii Entre 15 Y 17 Av. Norte | San Salvador | 106 | N/A | 1934 | $266,435,300 | 500 | | 65 | 06140107740025 |
| 23 | Banco De America Central S.A. | Elsalvador | San Salvador | 55 Avenida sur Entre Avenida Olimpica Y Alameda Roosevelt | San Salvador | N/A | N/A | 1993 | $260,940,000 | 150 | Corporation | N/A | N/A |
| 24 | Aes Clesa CIA Sociedad En Comandita De Capital Variable | Elsalvador | Santa Ana | 23 Avenida sur Y 5ta. Calle Oriente | Santa Ana | N/A | N/A | 1974 | $253,041,613 | 261 | Partnership of unknown type | N/A | 02101207920015 |
| 25 | Sisa Vida S.A. Seguros De Personas | Elsalvador | La Libertad | Edificio Sisa, Kilometro 10 1/2 Carretera A Santa Tecla. | Libertad | N/A | N/A | 2000 | $246,498,200 | 159 | Corporation | 7 | 05112108001012 |