The Société Industrielle du Cuir : Le Smelco Français is an industrial shoe repairer belonging to the Ehrlich shoe companies group.

Rhum Saint Paul. At the bottom of the work is written: "out of gluttony... / out of hygiene...".

Pasta

House Foullon's praline chocolates in Paris.

The transatlantic liner Giuseppe Verdi, launched in 1915 in the port of Genoa, was built in the shipyards of the Transatlantica Italiana Società Anonima di Navigazione. The same company acquired and rebuilt the Colombia Hotel in Genoa between 1921 and 1928. The poster obviously advertises the hotel but also the transatlantic shipping company.
An initial sketch only focused on the hotel.

Paris Gas Company (SGP).
This drawing follows a first draft. The model follows the photo of the second black and white draft above.