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STACK BROS MECHANICAL CONTRACTORS INC

DOT 1280175MC 1583591ActiveMotor CarrierInterstateTravelers Indemnity CoSUPERIOR, WI

COMPANY

Authority since
2023-10-12
MCS-150
2025-05-27 · 600,000 mi (2022)
Fleet
134 units · 35 trailers · 143 drivers
Annual mileage (VMT)
600,000 mi (2022)
Owner origin
Anglosphere
Origin candidates
English 80%

ADDRESS

Physical
3119 HILL AVE
SUPERIOR, WI 54880
Mailing
Same as physical

CONTACT

Phone
7153982964
Email
bill@stackbr.com

OFFICERS

Primary Officer
WILLIAM E STACK
Title
PRESIDENT
Origin
Anglosphere

OPERATION & CARGO

Operation classification
Private Property · Authorized For Hire
Specialty
Construction & Building Materials
Cargo types
3
Building MaterialsMachinery, Large ObjectsConstruction
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
35 mo
Active authority
INSURANCE
1 active
Travelers Indemnity Co
RISK GRADE
Minimal Risk
0 risk factors · 2 strengths
OOS RATE
21.7%
5 / 23 inspections

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Checking local VIN index…

Minimal Risk

0 risk factors · 2 strengths · 2 data points

SAFETY PERFORMANCE

Crash Record
1 crashes · 0 fatal · 0 with injuries · 1 tow-away
Clean Inspection Rate
78% — 18 clean of 23 inspections
Out-of-Service Rate
21.7% — driver OOS 1, vehicle OOS 4

COMPLIANCE & AUTHORITY

Operating Authority
Active operating authority on file
Authority Events
2 historical event(s) on file
MCS-150 Filing
Last filed 2025-05-27

INSURANCE

Active Coverage
1 policy(ies) on file · total max coverage $750,000

SUMMARY

No crashes in the last 24 months
Active insurance on file

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