Allstate's main rival is AETNA, a health insurance company with 5 letters. Another rival is ARENA, a financial services company also with 5 letters. Lastly, Elle, a 4 letter company, is also a competitor of Allstate. Allstate is an American insurance company that provides auto, home, life, and other types of insurance. AETNA is a health insurance company that provides medical, dental, pharmacy, group life, disability, and long-term care insurance and employee benefits. ARENA is a financial services company that offers banking, investments, and insurance products. Elle is a global fashion magazine that focuses on women's lifestyle.