As of 2021[update], Erie Insurance Group is ranked 347th on the 2021 Fortune 500 list of largest American corporations, based on total revenue for the 2020 fiscal year.

[1] Rated A+ (Superior) by A.M. Best,[2] Erie has more than 6 million policies in force and operates in 12 states and the District of Columbia, including Illinois, Indiana, Kentucky, Maryland, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia and Wisconsin.

In three months and 20 days, the two convinced 90 stockholders to invest using a hand-written business plan, raising $31,000 to begin their own auto insurance company.

The company's first adjuster and full-time claims manager, Sam P. Black Jr., had a phone extension installed in his room at the local YMCA, offering 24-hour service to policyholders.

Its footprint continued to expand, reaching outside of Pennsylvania and opening a branch campus in Silver Spring, Maryland, in 1953.

[12] In a February 2013 interview with the Erie Times-News, CEO Terry Cavanaugh reaffirmed the company's commitment to this distribution channel while acknowledging the importance of also enabling customers to pay bills and file claims online.

[19] Ward's 50 ranks property-casualty insurance companies based on their financial safety, consistency, and performance over a five-year period.

[4] In 2018, Erie Insurance became the title sponsor of Roar on the Shore motorcycle rally,[23] which is no longer running.