This industry comprises establishments primarily engaged in one or more of the following: (1) canning seafood (including soup); (2) smoking, salting, and drying seafood; (3) eviscerating fresh fish by removing heads, fins, scales, bones, and entrails; (4) shucking and packing fresh shellfish; (5) processing marine fats and oils; and (6) freezing seafood. Establishments known as "floating factory ships" that are engaged in the gathering and processing of seafood into canned seafood products are included in this industry.

• Cannery, seafood
• Canning, fish, crustacea, and molluscs
• Chowders, seafood, manufacturing
• Cod liver oil extraction, crude, processing
• Curing fish and seafood
• Dinners, frozen seafood, manufacturing
• Drying fish and seafood
• Fish and marine animal oils processing
• Fish egg bait canning
• Fish freezing (e.g., blocks, fillets, ready-to-serve products)
• Fish manufacturing
• Fish meal processing
• Fish, curing, drying, pickling, salting, and smoking
• Freezing fish (e.g., blocks, fillets, ready-to-serve products)
• Picking crab meat
• Seafood and seafood products canning
• Seafood and seafood products curing
• Seafood and seafood products manufacturing
• Seafood dinners, frozen, manufacturing
• Seaweed processing (e.g., dulse)
• Shellfish and shellfish products canning
• Shellfish and shellfish products manufacturing
• Shellfish curing
• Shucking and packing fresh shellfish
• Soups, seafood, manufacturing
• Surimi manufacturing