Bison Engineering, Inc.

Form 5500

BISON ENGINEERING, INC.

3143 E. Lyndale, Helena, Mt 59601 (406) 442-5768 EIN:81-0453817 Plan Admin:Kevin Casey

Year	Plan Name	Participants BOY/EOY	Assets BOY/EOY
2022	Plan NameBISON ENGINEERING 401K PROFIT SHARING PLAN Plan #002 Participants BOY/EOY49 / 53 Assets BOY/EOY$4,029,611 / $3,580,480	2022	BISON ENGINEERING 401K PROFIT SHARING PLAN - Plan #002	49 / 53	$4,029,611 / $3,580,480
2022	Plan NameBISON ENGINEERING, INC. ESOP Plan #001 Participants BOY/EOY52 / 54 Assets BOY/EOY$0 / $0	2022	BISON ENGINEERING, INC. ESOP - Plan #001	52 / 54	$0 / $0
2021	Plan NameBISON ENGINEERING 401K PROFIT SHARING PLAN Plan #002 Participants BOY/EOY48 / 46 Assets BOY/EOY$4,292,095 / $4,029,611	2021	BISON ENGINEERING 401K PROFIT SHARING PLAN - Plan #002	48 / 46	$4,292,095 / $4,029,611
2021	Plan NameBISON ENGINEERING, INC. ESOP Plan #001 Participants BOY/EOY53 / 52 Assets BOY/EOY$0 / $0	2021	BISON ENGINEERING, INC. ESOP - Plan #001	53 / 52	$0 / $0
2020	Plan NameBISON ENGINEERING 401K PROFIT SHARING PLAN Plan #002 Participants BOY/EOY54 / 48 Assets BOY/EOY$3,698,353 / $4,292,095	2020	BISON ENGINEERING 401K PROFIT SHARING PLAN - Plan #002	54 / 48	$3,698,353 / $4,292,095
2020	Plan NameBISON ENGINEERING, INC. ESOP Plan #001 Participants BOY/EOY53 / 53 Assets BOY/EOY$0 / $0	2020	BISON ENGINEERING, INC. ESOP - Plan #001	53 / 53	$0 / $0
2019	Plan NameBISON ENGINEERING 401K PROFIT SHARING PLAN Plan #002 Participants BOY/EOY52 / 53 Assets BOY/EOY$2,859,794 / $3,698,353	2019	BISON ENGINEERING 401K PROFIT SHARING PLAN - Plan #002	52 / 53	$2,859,794 / $3,698,353
2019	Plan NameBISON ENGINEERING, INC. ESOP Plan #001 Participants BOY/EOY54 / 53 Assets BOY/EOY$0 / $0	2019	BISON ENGINEERING, INC. ESOP - Plan #001	54 / 53	$0 / $0