The FTC is considering a possible antitrust suit to block the merger of Sysco and US Foods, concerned that combining the nation's two biggest food-service suppliers could threaten competition, according to people familiar with the matter. If merged, the new company would have 25% of the market share. The companies have said the combined entity will remain subject to intense competition from the rest of the industry, which is largely fragmented among thousands of local and specialty distributors.

What would be the typical issues associated with a merger? What type of merger this would be?