Mackin & SON Automotive, Inc. 401(k) Plan
What public Form 5500 filings show about the Mackin & SON Automotive, Inc. 401(k) plan — and how to find and check your own account.
The Mackin & SON Automotive, Inc. 401(k) on its latest Form 5500
Mackin & SON Automotive, Inc. (EIN 93-0661919) reports MACKIN & SON AUTOMOTIVE, INC. PROFIT SHARING PLAN on its most recent Form 5500, with $4.8M in plan assets across 128 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 Mackin & SON Automotive, Inc. filing — schedules, fees, and providers.
Who runs the Mackin & SON Automotive, Inc. 401(k)?
The plan’s recordkeeper — the firm that runs the website and statements where you check your balance, change contributions, and manage your account — is ADP, based on the plan’s Schedule C service-provider disclosure. That’s the login you use for your Mackin & SON Automotive, Inc. 401(k).
Other service providers named on the filing (investment managers, trustees, auditors — not necessarily the recordkeeper): PINNACLE WEALTH ADVISORS.
How to check your Mackin & SON Automotive, Inc. 401(k)
- Log in to ADP’s participant portal (the site on your statements).
- Ask Mackin & SON Automotive, 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).

