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- U.S. Fish and Wildlife Service. Division of Fish Hatcheries. Branch of Production and Distribution.
- U.S. Fish and Wildlife Service. Division of Fishery Research.
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- U.S. Fish and Wildlife Service. Missouri River Basin Studies.
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- U.S. Fish and Wildlife Service. Region 1.
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- U.S. Fish and Wildlife Service. Region 6.
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- U.S. Lake Survey.
- U.S. Livestock Insects Laboratory.
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- U.S. Plant, Soil, and Nutrition Laboratory.
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- Uğurlu, Zübeyde
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- Uimari, Anne
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- Ulisses, Cláudia
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- Ulloa, Wilson
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