1935 Owned a milk delivery service after which he and associate, Georges Cadet, opened a Perfume Factory, Cadet-Decatrel, which included a store called ”Parfums des Fleurs”, at Grand’Rue No. 81, Port-au-Prince, Haiti. Subsequently added a Liquor Factory/Store at the same location.
1946 Owned and operated a Sisal Shoe Factory for export.
1950 Started a Manufacturer’s Representative Agency and merged with an Import - Export Firm (IMPEXSA).
1950 While in exile in New York City, NY started a Freight Forwarding Agency.
September 29th, 1951 - Established the firm, Louis Decatrel & Sons in partnership with two of his older sons, Carl-Henri and Pierre-Eugene. The firm represented many large US and European corporations, such as NCR Corp, Owens Illinois Glass Co., Eagle Electric Co., Botany Mills Co., Eagle Pencil Co., “Les Miroiteries de Charleroi” and “ l’Union des Verreries Mechaniques Belge”, Centrotex and “Jean Patou” a well-known Parisian perfume manufacturer.