Plumbers & Steamfitters Local 434 Local 434 401(k) Plan
What public Form 5500 filings show about the Plumbers & Steamfitters Local 434 Local 434 401(k) plan — and how to find and check your own account.
The Plumbers & Steamfitters Local 434 Local 434 401(k) on its latest Form 5500
Plumbers & Steamfitters Local 434 Local 434 (EIN 39-1905166) reports PLUMBERS & STEAMFITTERS LOCAL 434 AND MCA SUPPLEMENTAL 401K on its most recent Form 5500, with $115.4M in plan assets across 1,748 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 Plumbers & Steamfitters Local 434 Local 434 filing — schedules, fees, and providers.
Who runs the Plumbers & Steamfitters Local 434 Local 434 401(k)?
Plumbers & Steamfitters Local 434 Local 434’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 Plumbers & Steamfitters Local 434 Local 434HR for the recordkeeper’s name and login.
Other service providers named on the filing (investment managers, trustees, auditors — not necessarily the recordkeeper): MILLIMAN, REINHART BOERNER VAN DUREN, COMBINED CRAFTS, FR SECURE, MATRIX TRUST, WILSON-MCSHANE.
How to check your Plumbers & Steamfitters Local 434 Local 434 401(k)
- Log in to the plan’s recordkeeper portal (the site on your statements).
- Ask Plumbers & Steamfitters Local 434 Local 434 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).

