 It also purchased Alliance Benefit Group North Central States, Inc. (ABG), in Albert Lea, Minnesota.Through the ABG acquisition, Alerus expanded its offerings to include HSA/FSA/HRA, payroll administration, and COBRA services.Alerus operates 5 full-service banks and wealth management offices in Greater Grand Forks and 3 full-service banks and wealth management offices in Fargo-Moorhead in North Dakota.