In 1941, Convenient Systems, Inc. of Winston-Salem, North Carolina purchased the chain, then numbering 50 stores.

Fuel at High's gas stations was previously supplied by Shell and Citgo.

High's first made a foray into proprietary fuel branding in 2011, when it was rolled out at a prototype station in Chester, Maryland.

[3] On March 1, 2012, High's, then based in Hanover, Maryland, was acquired by the Carroll Independent Fuel Company.

High's still sells its own brand of ice cream in quart sized containers, along with several selections of hand dipped varieties.