Stealth Partner Group (“Stealth”) announces it has signed a definitive agreement to be acquired by AmWINS Group, Inc. : Merger will create the largest stop-loss wholesaler in the U.S. Dowling Hales served as exclusive financial advisor to Stealth Partner Group (“Stealth”) in its sale to AmWINS Group, Inc. Arizona based Stealth, one of the largest independent full-service general agencies in the U.S. specializing in medical stop-loss insurance, will combine with Stop Loss Insurance Services (“SLIS”), an AmWINS Group company, to form the premier stop-loss general agency in the United States. Operating under the Stealth brand and led by Patricia Berridge and Harley Barnes, the combined firm will be part of AmWINS’ Group Benefits division.