La Bovida is a big shop specializing in kitchen equipment and gadgets. There are a lot of photos on Google Maps.
Le Comptoir de la Gastronomie is a gourmet grocery store and a restaurant. Here's the restaurant menu.
The restaurant called L'Escargot Montorgueil was just down the street from where I lived. I never had lunch or dinner there. Here's the web site, which says the restaurant has been serving snails (and much more) since 1832.
Le Marivaux is a café/restaurant on the Grands Boulevards, at the corner of the boulevard des Italiens and the rue Marivaux. It serves fondues and raclettes as well as French brasserie dishes. (I plan to make a Mexican fondue next week.)
The Palais du Fruit is a produce shop on the rue Montorgueil near where I lived for three years — 40 years ago.