MDU Resources Group, Inc. 401(k) Retirement Planhttps://pcaobus.org/form-ap-filings/58113/58113MDU Resources Group, Inc. 401(k) Retirement Plan581136/30/2020 10:15:07 AM2019b27e7e3a-07b4-46fc-ba9b-8c7db4cb031823Baker Tilly Virchow Krause, LLP6379MDU Resources Group, Inc. 401(k) Retirement Plan67716MDU0002300044Steven Ernst Stensrud0002300044True
H.B. Fuller Company 401(k) and Retirement Planhttps://pcaobus.org/form-ap-filings/57468/57468H.B. Fuller Company 401(k) and Retirement Plan574686/16/2020 3:31:20 PM2019add273c9-53c8-4ee5-9955-4deb1b13e58b23Baker Tilly Virchow Krause, LLP3831H.B. Fuller Company 401(k) and Retirement Plan39368FUL0002300044Steven Ernst Stensrud0002300044True
Donaldson Company, Inc. Retirement Savings and Employee Stock Ownership Planhttps://pcaobus.org/form-ap-filings/57261/57261Donaldson Company, Inc. Retirement Savings and Employee Stock Ownership Plan572616/10/2020 10:51:49 AM201948ed233d-53a9-4755-9cf5-bf35732bbc0123Baker Tilly Virchow Krause, LLP2777Donaldson Company, Inc. Retirement Savings and Employee Stock Ownership Plan29644DCI0002300044Steven Ernst Stensrud0002300044True
Nortech Systems Incorporatedhttps://pcaobus.org/form-ap-filings/53939/53939Nortech Systems Incorporated539394/1/2020 1:35:45 PM2019cc93e617-6e5f-4082-a33f-ec3c0d40d93123Baker Tilly Virchow Krause, LLP18173Nortech Systems Incorporated722313NSYS0002300044Steven Ernst Stensrud0002300044True
CHF Solutions, Inc.https://pcaobus.org/form-ap-filings/52055/52055CHF Solutions, Inc.520553/18/2020 10:47:18 AM201943bb0fcd-8bda-4907-9625-e2070b43807123Baker Tilly Virchow Krause, LLP676158CHF Solutions, Inc.1506492CHFS0002300044Steven Ernst Stensrud0002300044True
MDU Resources Group, Inc. 401(k) Retirement Planhttps://pcaobus.org/form-ap-filings/26517/43434MDU Resources Group, Inc. 401(k) Retirement Plan434347/1/2019 8:39:42 AM2017a7e057aa-261d-4c31-bd1a-f14c6524dcd023Baker Tilly Virchow Krause, LLP6379MDU Resources Group, Inc. 401(k) Retirement Plan67716MDU0002300044Steven Ernst Stensrud0002300044True
MDU Resources Group, Inc. 401(k) Retirement Planhttps://pcaobus.org/form-ap-filings/43079/43433MDU Resources Group, Inc. 401(k) Retirement Plan434337/1/2019 8:39:35 AM2018e022ebcb-990b-420d-b280-8ad4b20541cb23Baker Tilly Virchow Krause, LLP6379MDU Resources Group, Inc. 401(k) Retirement Plan67716MDU0002300044Steven Ernst Stensrud0002300044True
Donaldson Company, Inc. Retirement Savings and Employee Stock Ownership Planhttps://pcaobus.org/form-ap-filings/43074/43074Donaldson Company, Inc. Retirement Savings and Employee Stock Ownership Plan430746/24/2019 3:59:22 PM2018d3b806c1-f61b-450a-b9f8-e25c339f751723Baker Tilly Virchow Krause, LLP2777Donaldson Company, Inc. Retirement Savings and Employee Stock Ownership Plan29644DCI0002300044Steven Ernst Stensrud0002300044True
H.B. Fuller Company 401(k) and Retirement Planhttps://pcaobus.org/form-ap-filings/43085/43085H.B. Fuller Company 401(k) and Retirement Plan430856/24/2019 3:58:58 PM2018abff5a0c-820b-4d71-b390-29a515f22c8023Baker Tilly Virchow Krause, LLP3831H.B. Fuller Company 401(k) and Retirement Plan39368FUL0002300044Steven Ernst Stensrud0002300044True
Nortech Systems Incorporatedhttps://pcaobus.org/form-ap-filings/38191/38191Nortech Systems Incorporated381914/4/2019 3:31:57 PM2018283a1a9a-77d2-4234-8a9c-474704a3a6b523Baker Tilly Virchow Krause, LLP18173Nortech Systems Incorporated722313NSYS0002300044Steven Ernst Stensrud0002300044True