Banks with branches located in Port Sulphur, LA

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Port Sulphur, LA

Port Sulphur is a census-designated place (CDP) on the West Bank of the Mississippi River in Plaquemines Parish, Louisiana, United States. The population was 3,115 at the 2000 census. The name Port Sulphur derives from the Freeport Sulphur Company in the early 1930s, when it set up logistics, refining, storage and shipping operations to support its Frasch Process sulphur mine at Lake Grande Ecaille, located 10 miles west of the town in the nearby marsh.

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