The resources on this page help you to get a broad understanding of the industry. Make sure you use multiple sources to get the most well-rounded view of the industry as possible.
IbisWorld is a great place to get started with researching the industry
Simply search for “grocery stores”, “food store," "food retail," "supermarkets,” etc. to find reports to get a broad understanding of the U.S. industry.
The industry reports in First Research compliment IbisWorld for a general understanding of the industry
Search for "grocery stores" to find relevant reports that may offer another perspective on the industry.
These publications and more can be found by searching for articles in Business Source Complete. Limit to "trade publications" to find these publications and others like them.
Below are a few trade sites and organizations that provide useful information grocery stores industry. I will add to the list as I discover additional useful links. Note that these links goe to the free websites. We do not subscribe so some reports may be behind a paywall.