US Foods Holding Corp. has agreed to buy five food businesses from Services Group of America for $1.8 billion, boosting the distributor’s presence in the Northwest.

The all-cash deal is the latest sign of consolidation in the low-margin and increasingly competitive business of getting food to stores, service businesses and restaurants. Illinois-based US Foods, the nation’s second-largest food distributor, has closed eight acquisitions since going public in 2016 including Monday’s deal for five of SGA’s business units.

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