Purple Squirrel · FMCSA Background Report
NATIONAL TANK SERVICE OF WISCONSIN INC
DOT 245495
Report DateJune 26, 2026
⚠️CAUTION — flags found, review before proceeding
Always call back on the FMCSA-registered number (414-257-0030) — not the number that contacted you. Scammers impersonate legitimate carriers and brokers.
Company Information
Legal NameNATIONAL TANK SERVICE OF WISCONSIN INC
Registered Since04/13/1984
Registered Address1813 S 73RD ST, MILWAUKEE, WI, 53214-4723
Phone414-257-0030
Email on FileNATIONALTANK@AOL.COM
Company OfficerBRIAN JAMES
Risk Assessment
MCS-150 last filed 11+ years ago — may be inactive
Authority held for 42.3 years
Active FMCSA authority: Authorized to operate
Authority & Licensing
Broker AuthorityNone
Common CarrierNone
Contract CarrierNone
Fleet & Safety
Power Units3
Drivers1
Authority History

No authority history found on file.

Other Companies at This Address

No other FMCSA-registered entities found at this address — clean address signal.

Hire Faster. Spend Less.

Finding and vetting drivers is expensive and slow. Purple Squirrel cuts both.

  • One bad hire costs more than a year of Purple Squirrel. We run MVR and CSA checks before you onboard.
  • Faster time-to-hire — pre-screened candidates, no job board noise.
  • Protect your authority. Driver violations become your safety score. Vet first.
Find Better Drivers →
Get Full Report — Free

Get a copy emailed to you

Keep this report on file or forward to your team.

Verify an Email You Received

Did this company contact you by email?

Enter the email address they used. We'll check if the domain is legitimate, how old it is, and whether it matches what FMCSA has on file.

Data sourced from FMCSA. Report generated June 26, 2026. Informational only — always verify directly with FMCSA.  ·  ← Run another lookup