- Legal name
- Stack Bros Mechanical Contractors INC
- DBA
- Stack Bros
- USDOT number
- 1280175
- MC docket
- MC1583591
- Physical address
- 3119 Hill Ave, Superior, WI, 54880
- b•••@s•••.com Unlock
- Power units
- 134
- Drivers
- 143
- Operation
- Interstate
- Operating radius
- Interstate 100+ mi
- Cargo
- Building Materials, Machinery, Large Objects, Construction
- Operation class
- Authorized For-Hire, Private Property
- Last MCS-150 filing
- May 27, 2025
- Common authority
- Active
- Broker authority
- Not held
- Authority granted
- Aug 27, 2004
- MCSIP step
- 0
- Insurer (writing paper)
- Travelers
- Filing form
- BMC-91X
- Coverage amount
- $750,000
- BI/PD on file
- $750,000
- Estimated renewal window
- Q3 2026
Working this account? See the current renewal estimate free with the X-date lookup.
- FMCSA safety rating
- Not rated
- Roadside inspections (24 mo)
- 8
- Out-of-service inspections
- 4
- Inspections with violations
- 7
- BASICs with acute/critical violations
- 0
- SMS population
- Interstate
Is Stack Bros Mechanical Contractors INC insured?
Yes. Stack Bros Mechanical Contractors INC (USDOT 1280175) has active BI/PD liability insurance on file with FMCSA, currently written by Travelers, with $750,000 in coverage on the filing.
What insurance company does Stack Bros Mechanical Contractors INC use?
Stack Bros Mechanical Contractors INC's current BI/PD filing is written by Travelers. Insurer changes show up in the daily-refreshed federal filing record.
What is Stack Bros Mechanical Contractors INC's MC number?
Stack Bros Mechanical Contractors INC's FMCSA docket is MC1583591, paired with USDOT 1280175.
Is Stack Bros Mechanical Contractors INC safe to work with?
Stack Bros Mechanical Contractors INC's FMCSA safety rating is not rated (most carriers never receive one), with 8 roadside inspections in the last 24 months, 0 of the five public BASICs carrying an acute or critical violation from an FMCSA investigation. The full inspection-level record is on this page.
When does Stack Bros Mechanical Contractors INC's insurance renew?
Based on its filing history, Stack Bros Mechanical Contractors INC's BI/PD policy is estimated to renew in Q3 2026. The exact estimated X-date, with alerts when it changes, is in Market Tracker. Unlock USDOT 1280175’s exact X-date →
How many trucks does Stack Bros Mechanical Contractors INC operate?
Stack Bros Mechanical Contractors INC reports 134 power units and 143 drivers in its latest MCS-150 census filing.
Source: FMCSA census, Licensing & Insurance (L&I) and SMS publications, mirrored and refreshed daily. Record last synced Sep 15, 2026. Native Base is not affiliated with FMCSA; always confirm against the live federal record before binding.
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This page republishes the public FMCSA record for USDOT 1280175. If you are connected to this carrier and want your details removed, request removal.