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Cintas Corporation: who to call about your old retirement account

Cintas Corporation (formerly Mechanics Uniform) Union 401(K) Plan. MASON, OH. From the plan’s 2026 filing with the U.S. Department of Labor.

Good news: this plan is still running.

It filed for 2026, so if you left money in it, the account should still be there under your name. One phone call usually finds it.

Is this your plan?

From the plan’s public filings. Check that it sounds like the place you worked.

Employer: Cintas Corporation
Address on file: 6800 Cintas Blvd. · Mason, OH · 45040
Industry: Other Services (except Public Admin)
Plan: Cintas Corporation (formerly Mechanics Uniform) Union 401(K) Plan401(k) plan
When: Start date on the filing: 1989Still running: latest filing is for 2026Has filed since at least 2009
Size: about 100 people in the plan, about $4.5 million in total40 of them no longer work there and still have money in it. Leaving a balance behind is common.
You may remember: • The company put money into employees’ accounts
• Allowed loans from the account
• Covers union employees

Not the right one? Cintas Corporation has 8 other retirement plans:

Cintas Partners' Plan · 401(k) plan · about 71,000 people · filed 2025
Cintas Corporation (g&k Services) Pension Plan · Pension plan · about 2,300 people · filed 2024
Mechanics Laundry & Supply, Inc. Teamsters Employees Pension Plan · Pension plan · about 310 people · filed 2024
Cintas Corporation (formerly Mechanics Laundry) Union 401(K) Plan · 401(k) plan · about 110 people · filed 2024
Cintas Corporation (g&k Services) 401(K) Savings Incentive Plan · 401(k) plan · about 110 people · filed 2024
Cintas Corporation (g&k Services) Thrift and Retirement Plan · 401(k) plan · 9 people · filed 2025
Cintas Corporation (formerly Unitog) Money Match 401(K) Plan · 401(k) plan · closed 2023
Cintas Corporation (g&k Services) Non-Contributory Pension Plan for Collective Bargaining Employees · Pension plan · closed 2023

Doesn’t sound like it? Search again. Try the company’s legal name, or the name it had when you worked there.

Get this plan’s contact details, free

Tell us where to send them and we’ll email you a link that opens:

✓ The phone number on the plan’s filing
✓ What to say on the call, word for word
✓ The plan ID numbers they will ask you for

If nobody can find you

These official and non-profit registries are free:

DOL Abandoned Plan Search ↗
plans wound down by a custodian after the employer walked away
DOL Retirement Savings Lost & Found ↗
the Department of Labor’s registry of accounts owed to former participants
National Registry of Unclaimed Retirement Benefits ↗
employers and plan administrators list balances they could not deliver
Your state’s unclaimed property office ↗
uncashed distribution checks often end up here

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401kHunter is not affiliated with, endorsed by, or connected to CINTAS CORPORATION. Plan figures on this page come from public U.S. Department of Labor Form 5500 filings and reflect the plan’s final reported year. This page is educational and is not investment, tax, or legal advice.