| 1 | Caja Costarricense De Seguro Social | Costarica | San José | Avenida 8, Calles 26 Y 28 | San José | N/A | N/A | 2014 | $7,244,100,300 | 55,000 | N/A | 77 | 4000042147 |
| 2 | Hospital Nacional Siquiatrico Manuel Antonio Chapui Y Torres | Costarica | San José | 1.5 Kml Oeste de la Embajada de USA | San José | N/A | ccss.***** | 2014 | $3,811,279,888 | 696 | N/A | N/A | 4000042147 |
| 3 | Refinadora Costarricense De Petroleo, S.A. | Costarica | San José | Calle 108, Ruta 32. Km 0,edificio Hernan Garrón S | San José | N/A | N/A | 1963 | $3,797,780,946 | 1,740 | N/A | 77 | 3101007749 |
| 4 | Estado-Ministerio De Educacion Publica | Costarica | San José | Centro Plaza Rofas, Ave Paseo | San José | 10102 | N/A | 1965 | $3,197,805,000 | 65,000 | N/A | 13 | 2100042002 |
| 5 | Instituto Costarricense De Electricidad | Costarica | San José | Sabana Norte Edificio Ice | San José | N/A | grupoice.***** | 1949 | $2,930,891,265 | 20,000 | N/A | 77 | 4000042139 |
| 6 | Grupo Ecoplast S.A. | Costarica | Alajuela | 100 Metros Oeste de Moligas, San Juan, Sr | Alajuela | N/A | N/A | 2011 | $2,859,662,130 | 76 | N/A | N/A | 3101638460 |
| 7 | Refinadora Costarricense De Petroleo SA | Costarica | San José | 100 E del Periodico la Republica | San José | N/A | N/A | 1961 | $2,536,780,050 | 1,700 | N/A | 77 | 3101007749 |
| 8 | Banco Interamericano De Desarrollo (bid) | Costarica | San José | Centro Corporativo el Cedral Edif. A. Piso 4 | San José | N/A | N/A | N/A | $2,284,000,000 | 0 | N/A | 28 | 3003042015 |
| 9 | Marsh Asprose Corredora De Seguros S.A. | Costarica | San José | Zapote,100 sur Y 50 Oeste de Autos Bohio. | San José | N/A | N/A | 1994 | $1,846,364,267 | 61 | N/A | 1637 | 3101067953 |
| 10 | Florida Ice And Farm Company S.A. | Costarica | Heredia | Llorente de Flores Heredia | Heredia | N/A | N/A | 1966 | $1,557,142,334 | 6,000 | N/A | 10 | 3101000784 |
| 11 | Instituto Nacional De Seguros | Costarica | San José | Entre Avenidas 7 Y 9, Calle 10 Bis | San José | N/A | N/A | 1924 | $1,370,697,335 | 2,660 | N/A | 77 | 4000001902 |
| 12 | Cooperativa De Productores De Leche Dos Pinos R.L. | Costarica | San Jose | 6 Km. Oeste del Aeropuerto Juan Santamaria | Alajuela | 179-4060 | N/A | 1948 | $1,279,465,111 | 5,459 | N/A | 3 | 3004045002 |
| 13 | Persianas Canet S.A. | Costarica | San José | 100 Metros Sur, 400mts Oeste Y 25 Norte | San José | N/A | persianascanet.***** | 1965 | $1,089,593,400 | 130 | N/A | N/A | 3101031420 |
| 14 | Banco Bac San Jose S.A. | Costarica | Escazu | Edif. Centro Corporativo Plaza Roble Terrazas B | San José | N/A | baccredomatic.***** | 1968 | $869,692,859 | 2,697 | N/A | 6 | N/A |
| 15 | Persistent Systems Costa Rica Limitada | Costarica | San José | Boulevard Dent, Sigma Business Center | San José | N/A | N/A | 2022 | $793,071,917 | 20 | N/A | 89 | 3102769598 |
| 16 | Banco Nacional De Costa Rica | Costarica | San José | Avenida 1 Y 3 Calle 4 | San José | N/A | bncr.***** | 1912 | $786,308,009 | 5,232 | N/A | 77 | 4000001021 |
| 17 | Banco Popular Y De Desarrollo Comunal | Costarica | San José | 75 Metros Noroeste de la Rotonda Juan Pablo Ii | San José | N/A | N/A | 1969 | $754,129,056 | 4,600 | N/A | 3 | 4000042152 |
| 18 | Corporacion Tenedora Bac Credomatic S.A. | Costarica | Escazu | Centro Corporativo Plaza Roble Terrazas B | San José | N/A | N/A | 1985 | $678,589,896 | 5,259 | N/A | 6 | 3101073708 |
| 19 | Banco De Costa Rica | Costarica | San José | Avenida Central Y Segunda | San José | N/A | bancobcr.***** | 1877 | $678,086,682 | 3,692 | N/A | 77 | 4000000019 |
| 20 | Universidad Nacional (una) | Costarica | Heredia | Campus Omar Dengo Avenida 1 Calle 9 | Heredia | N/A | N/A | N/A | $661,992,986 | 0 | N/A | 13 | 4000042150 |
| 21 | Compania Nacional De Fuerza Y Luz, S.A. | Costarica | San José | Avenida 5 Entre Calles 0 Y 1 | San José | N/A | cnfl.***** | 1889 | $623,117,276 | 1,960 | N/A | 77 | 3101000046 |
| 22 | Gmg Comercial Costa Rica, S.A. | Costarica | Alajuela | San Jose-escazu Guachipelin, Multipark, Edificio Turrubares | Alajuela | N/A | N/A | 2009 | $555,624,000 | 6,000 | N/A | 3 | 3101590004 |
| 23 | Universidad De Costa Rica | Costarica | San José | San Pedro Montes de Oca | San José | N/A | N/A | 1940 | $540,539,588 | 7,000 | N/A | 13 | 4000042149 |
| 24 | Corporacion De Desarrollo Agricola Del Monte, S.A. | Costarica | San José | Edificio del Monte, Barrio Tournon | San José | N/A | freshdelmonte.***** | 1967 | $533,505,000 | 7,000 | N/A | 136 | 3101010882 |
| 25 | Hewlett Packard Centroamerica Cac LTDA. | Costarica | San José | Centro Empresarial Forum | San José | N/A | N/A | 2003 | $517,086,200 | 6,200 | N/A | 1110 | 3102351258 |