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2006: Summa started Summa Physicians Inc., a medical practice now known as Summa Health Medical Group.
November 2007: Summa acquired Wadsworth-Rittman Hospital.
June 2009: Western Reserve Hospital Partners and Summa formed a joint venture to own and operate the former Cuyahoga Falls General Hospital, now called Western Reserve Hospital.
2011: Summa opened its satellite emergency department and outpatient medical facility in Medina County.
September 2013: HealthSpan Partners — an auxiliary of Cincinnati-based Catholic Health Partners (now Mercy Health) — acquired a 30 percent ownership stake in Summa in a $250 million deal.
December 2014: Summa sold its minority stake in Crystal Clinic Orthopaedic Center.
September 2018: The accrediting agency for physician training programs nationwide denied Summa’s request to restart its emergency medicine residency program.
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| Company name | Founded date | Revenue | Employee size | Job openings |
|---|---|---|---|---|
| Universal Insurance Holdings | 1990 | $1.4B | 1,047 | 23 |
| World Insurance Associates | 2012 | $11.3M | 3,000 | 294 |
| Alfa | 1983 | $16.6B | 68,000 | 106 |
| CURE Auto Insurance | 1990 | $51.0M | 6 | 25 |
| AAA Carolinas | 1902 | $110.0M | 720 | 16 |
| Country-Wide Insurance | 1963 | $400,000 | 50 | 8 |
| Time Insurance Agency | 1961 | $690,000 | 50 | - |
| The American Insurance Company Corp | - | $329.7M | 4,400 | 3 |
| Nation Safe Drivers | 1962 | $31.0M | 375 | - |
| Iscential | 1993 | $8.9M | 111 | - |
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Summa Insurance Company, Inc may also be known as or be related to Summa Insurance Company, Summa Insurance Company Inc and Summa Insurance Company, Inc.