| Castellroig |
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| Castillo de Perelada |
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| Catasus Casanovas |
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| Cavas Hill |
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| Caves Rekondo |
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| Caycra |
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| Caytusa |
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| Cellers Camp De Tarragona |
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| Celler Coop. De Vila Rodona |
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| Celler Coop. La Granada |
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| Celler De L'Avi |
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| Celler Mariol |
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| Celler Sant Pons |
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| Celler Trovat |
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| Celler Vell |
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| Cellers Can Suriol |
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| Chandon Cava |
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| Codorniu |
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| Colomer Bernat |
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| Colomer Costa |
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| Compañia Champañera |
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| Coll Font |
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| Conde de Caralt |
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| Conde de Valicourt |
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| Consumer |
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| Cooperativa Agricola Banyoles |
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| Cooperativa Agricola de Sant Jaume |
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| Coop. Agricola Llorenç del Penedes |
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| Coop. Barbera de la Conca |
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| Coop. De Nules |
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| Coop. L'Arboç Del Penedes |
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| Coop. L'Espluga |
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| Coop. Vilarodona |
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| Covides |
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| Cum Laude |
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| Cusco Berga |
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| Cusco Comas |
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