Proos Manufacturing, INC.

Grand Rapids, MI, 49505

EIN 38-3383020

Plans: 1
Total participants: 285
Filing years: 2022, 2021, 2020
NAICS: 332700

Benefit plans on file

Year	Form	Plan #	Plan name	Participants
2022	Form 5500	001	Proos Employees 401(K) Plan	76
2021	Form 5500	001	Proos Employees 401(K) Plan	106
2020	Form 5500	001	Proos Employees 401(K) Plan	103

Data shown as filed with the U.S. Department of Labor (EBSA), filing years 2020–2025; not validated by OpenERISA. View official filings for this EIN on the DOL EFAST2 search.

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Benefit plans on file

Other plan sponsors in Michigan

1 Rivet US INC.

1 Sit Close LLC

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10 And 2 Driving Academy LLC

10 More Yards INC.

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100x, LLC