Only the designated employers in the Atlantic Provinces can offer job to the prospective immigrants to Canada. The list of designated employers can be found in their websites or can be assessed by going to the following links. 

New Brunswick https://www.welcomenb.ca/content/dam/wel-bien/pdf/atlantic_immigration_pilot_project_designated_employers_list.pdf 

Newfoundland and Labrador https://www.gov.nl.ca/immigration/immigrating-to-newfoundland-and-labrador/atlantic-immigration-pilot-program/designated-employers/ 

Nova Scotia https://novascotiaimmigration.com/wp-content/uploads/Designated_AIP_employers.pdf 

Prince Edward Island https://www.princeedwardisland.ca/en/information/office-immigration/atlantic-immigration-pilot-designated-employers