Omega Protein (OME) 10-K 2015 FY Annual report

Exhibit 21

Omega Protein Corporation owns 100% of the common stock of:

• Protein Finance Company, a Delaware corporation

• Omega Shipyard, Inc., a Delaware corporation

• Omega Protein, Inc., a Virginia corporation

• Protein Industries, Inc., a Delaware corporation, wholly owned subsidiary

• Owns 1% of the equity of Omega Protein Mexico S. de R. L. de C.V., a Mexican corporation (“Omega Protein Mexico”)

• Cyvex Nutrition, Inc., a California corporation

• Wisconsin Specialty Protein, L.L.C., a Wisconsin limited liability company

• InCon Processing, L.L.C., a Delaware limited liability company

• Bioriginal Food and Science Corp., a Saskatchewan (Canada) corporation

• Bioriginal Europe/Asia B.V., a Netherlands corporation

• Vitaboost B.V.., a Netherlands corporation

• Biorganic Marketing Ltd., a Saskatchewan (Canada) corporation

• Dalian Lifeline International Trading Ltd., a China Limited company

• Bioriginal Marketing Ltd., a Delaware corporation

• EFASense Ltd., a Ontario (Canada) corporation

• EFA Labs Ltd., a Caribbean Limited

• Omega Health Products Inc., a Delaware corporation

• Omega International Marketing Company, a Delaware corporation

• Owns 99% of the equity of Omega Protein Mexico