Conserveira do Sul is a Portuguese canned fish and fish processing company, headquartered in Olhão. It was founded in 1954 as a family-run business in the city of Olhão, in the southern Portuguese region of the Algarve. In 1996 it relocated its facilities to a modern new unit. Conserveira do Sul produces sardines, mackerel and tuna in vegetable oil and in various sauces such as tomato, pickle and lemon. The company also produces other specialties, namely sardine, mackerel eggs and tuna belly, as well as the Manná brand pastes (sardine, tuna and prawn).