There are different Business Directories :

Try all different Business Directories offered by
Every Engine has different results,
Most companies are listed in serveral directories
but the results are not the same ...

Products / Produits

find products
and order them directly (example Perfume, Shoes, Schampoo)

Products via Amazon

Video about the Amazon Pop Up Store @ Cremerie de Paris,
the World's most famous Brand Expo location
and historic home of the Whitepages from many countries

Product Yellow Pages by Ali Express

Video about the Ali Express Pop Up Store @ Cremerie de Paris,
historic Telecom hotspot and former seat of the Postal Services
of King Louis XIV

Yellow Pages B2C
Business to Consumers - Companies froviding Products or Sevices for End Users
(example Perfume store) B2C Directory Yellow

Pagesjaunes.frB2C Directory Pages B2C Directory Yelp

Yellow Pages B2B
Business to Business - Companies providing Products for Professionals
(example Manufacturer of Store equipment)

Gov Pages

French Gov
search through the Government
France Gov Search
this search engine goes through
all the French ministeries,
maybe the person you are looking for
has been mentioned at some point.

other Countries
Phone Book of the
Phone Book of the
Annuaire du
maybe the person you are looking for has moved
and can be cound through the directory of another country

good luck ...