Who competes with UNFI?

Who exactly are UNFI's competitors in the market, and what sets them apart from UNFI? Are there any major players in the same industry that pose a significant threat to UNFI's market share? Additionally, what strategies has UNFI implemented to stay ahead of its competitors and maintain its position in the market? Lastly, are there any emerging trends or technologies that UNFI's competitors may be leveraging to gain an edge over UNFI?