| Ceramica Erolip Sociedad Limitada | Benicasim | Castellon |
| Ceramicas Lopez Carbonell Sociedad Limitada | Benicasim | Castellon |
| Cercoast Sociedad Limitada | Benicasim | Castellon |
| Cerviker Sl | Benicasim | Castellon |
| Cessna C172 Holding Sl | Benicasim | Castellon |
| Chacarma Sl | Benicasim | Castellon |
| Chantal Inmobilier Sociedad Limitada | Benicasim | Castellon |
| Charquito Benicassim Sl | Benicasim | Castellon |
| Charter Columbretes, Sociedad Limitada | Benicasim | Castellon |
| Che Chemari Aie | Benicasim | Castellon |
| Chelentano Dak Sl | Benicasim | Castellon |
| Chi-ro Benicasim Sl | Benicasim | Castellon |
| Chiki Coffe Sl | Benicasim | Castellon |
| Chillarmon I Sociedad Limitada | Benicasim | Castellon |
| Chiva Bar Cafeteria Sl | Benicasim | Castellon |
| Choza-playa Sl | Benicasim | Castellon |
| Chut Sl | Benicasim | Castellon |
| Ciclelectric Tours Benicassim Sl | Benicasim | Castellon |
| Ciento Un Piezezitos Sl | Benicasim | Castellon |
| Citibur Sl | Benicasim | Castellon |
| Citrame Sociedad Anonima | Benicasim | Castellon |
| Clauvi Labs Sociedad Limitada | Benicasim | Castellon |
| Clinica Dental Zaldivar Slp | Benicasim | Castellon |
| Clinica Kirema Sociedad Limitada | Benicasim | Castellon |
| Clinica Urko Tarrega Sociedad Limitada | Benicasim | Castellon |
| Club De Automovilismo Action Press | Benicasim | Castellon |
| Club Deportivo Benicasim | Benicasim | Castellon |
| Club Deportivo Publicom Sports | Benicasim | Castellon |
| Co&au Company Sociedad Limitada | Benicasim | Castellon |
| Cocinas Dama Sociedad Limitada | Benicasim | Castellon |
| Coinbe 2000 Sl | Benicasim | Castellon |
| Colegio Liceo Coop Valenciana De Enseñanza | Benicasim | Castellon |
| Columba Inmuebles Sl | Benicasim | Castellon |
| Com A. Casa Coop V | Benicasim | Castellon |
| Com. Prop. Apartamentos Cubre Sol I, Ii Y Iii | Benicasim | Castellon |
| Com. Prop. Apartamentos Triton | Benicasim | Castellon |
| Com.pro.apartamentos Benimar | Benicasim | Castellon |
| Com.prop. Apart.gran Avenida | Benicasim | Castellon |
| Com.prop. Apartamentos Bergantin | Benicasim | Castellon |
| Com.prop. Apartamentos Oporto | Benicasim | Castellon |
| Com.prop.apartamentos Agata | Benicasim | Castellon |
| Com.prop.apartamentos Arenal | Benicasim | Castellon |
| Com.prop.apartamentos Aries I Y Ii | Benicasim | Castellon |
| Com.prop.apartamentos Azulmar | Benicasim | Castellon |
| Com.prop.apartamentos Azulmar Ii | Benicasim | Castellon |
| Com.prop.apartamentos Baja Mar | Benicasim | Castellon |
| Com.prop.apartamentos Bellavista | Benicasim | Castellon |
| Com.prop.apartamentos Bon Repos | Benicasim | Castellon |
| Com.prop.apartamentos Canarias | Benicasim | Castellon |
| Com.prop.apartamentos Castellmar I Y Ii | Benicasim | Castellon |
| Com.prop.apartamentos Cortemar I | Benicasim | Castellon |
| Com.prop.apartamentos Cortemar Ii | Benicasim | Castellon |
| Com.prop.apartamentos Costa Rica | Benicasim | Castellon |
| Com.prop.apartamentos D'pepe | Benicasim | Castellon |
| Com.prop.apartamentos Don Quijote | Benicasim | Castellon |
| Com.prop.apartamentos Dulcinea | Benicasim | Castellon |
| Com.prop.apartamentos Estoril Iii-iv-v | Benicasim | Castellon |
| Com.prop.apartamentos Gran Sol | Benicasim | Castellon |
| Com.prop.apartamentos Hawai I Y Ii | Benicasim | Castellon |
| Com.prop.apartamentos Helios | Benicasim | Castellon |
| Com.prop.apartamentos Java | Benicasim | Castellon |
| Com.prop.apartamentos La Siesta | Benicasim | Castellon |
| Com.prop.apartamentos La Torre | Benicasim | Castellon |
| Com.prop.apartamentos Las Rocas | Benicasim | Castellon |
| Com.prop.apartamentos Los Angeles | Benicasim | Castellon |
| Com.prop.apartamentos Los Naranjos | Benicasim | Castellon |
| Com.prop.apartamentos Los Olivos | Benicasim | Castellon |
| Com.prop.apartamentos Miami Beach | Benicasim | Castellon |
| Com.prop.apartamentos Montemar | Benicasim | Castellon |
| Com.prop.apartamentos Montornes | Benicasim | Castellon |
