What public Form 5500 filings show about the Mainstream Fluid & Air LLC 401(k) plan — and how to find and check your own account.
Mainstream Fluid & Air LLC (EIN 04-3784128) reports MAINSTREAM FLUID & AIR LLC on its most recent Form 5500, with $341K in plan assets across 35 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 Mainstream Fluid & Air LLC filing — schedules, fees, and providers.
Mainstream Fluid & Air LLC’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 Mainstream Fluid & Air LLCHR for the recordkeeper’s name and login.
