Mechanical Systems West, Inc. 401(k) Plan
What public Form 5500 filings show about the Mechanical Systems West, Inc. 401(k) plan — and how to find and check your own account.
The Mechanical Systems West, Inc. 401(k) on its latest Form 5500
Mechanical Systems West, Inc. (EIN 20-5766341) reports MECHANICAL SYSTEMS WEST 401(K) PLAN on its most recent Form 5500, with $115K in plan assets across 2 active participants. Form 5500 is the annual report employers file with the U.S. Department of Labor for their retirement plans, and it’s public.
See the full Mechanical Systems West, Inc. filing — schedules, fees, and providers.
Who runs the Mechanical Systems West, Inc. 401(k)?
Mechanical Systems West, Inc.’s Form 5500 doesn’t separately disclose a recordkeeper we can confirm. The firms named on its Schedule C are service providers — which can include investment managers, trustees, and auditors, and are not necessarily the company that runs your account. To find who runs your 401(k), check your enrollment paperwork or a recent statement, or ask Mechanical Systems West, Inc.HR for the recordkeeper’s name and login.
How to check your Mechanical Systems West, Inc. 401(k)
- Log in to the plan’s recordkeeper portal (the site on your statements).
- Ask Mechanical Systems West, Inc. HR or benefits for the recordkeeper name and enrollment link.
- Left the company? Your balance stays in the plan until you roll it over — see how to find a lost 401(k).

