What public Form 5500 filings show about the Mainline Traffic Control Services LLC 401(k) plan — and how to find and check your own account.
Mainline Traffic Control Services LLC (EIN 88-2237699) reports MAINLINE TCS 401(K) RETIREMENT PLAN on its most recent Form 5500, with $105K in plan assets across 16 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 Mainline Traffic Control Services LLC filing — schedules, fees, and providers.
Mainline Traffic Control Services 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 Mainline Traffic Control Services LLCHR for the recordkeeper’s name and login.
