The Gary E. Krein Agency Inc. is an independent insurance agency currently providing insurance services to clientele across the states of North and South Dakota. The Krein Agency has a reputation of dedicated customer service. Do not hesitate to contact the agency at PO Box 515, Eureka, SD 57437-0515. Phone # 605-284-5217 ext.15 or 701-426-2131. Email:firstname.lastname@example.org.The office site is located at 705 G Ave. E-mail customer service is now available.