SB
STACK BROS MECHANICAL CONTRACTORS INC
DOT 1280175MC 1583591ActiveMotor CarrierInterstateTRAVELERS INDEMNITY COMPANY · $750,000 · 1 policySUPERIOR, WI
COMPANY
Authority since
2023-10-12
MCS-150
2025-05-27 · 600,000 mi (2022)
Fleet
134 units · 35 trailers · 143 drivers
ADDRESS
Physical
3119 HILL AVE
SUPERIOR, WI 54880
SUPERIOR, WI 54880
Mailing
Same as physical
CONTACT
Phone
7153982964
Email
BILL@STACKBR.COM
OFFICERS
Primary Officer
—
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.
AUTHORITY
35 mo
Active authority
INSURANCE
1 active
TRAVELERS INDEMNITY COMPANY
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
0/100 risk points0 risk factors · 2 strengths · 2 data pointsmedium confidenceWeighted heuristic: crashes are decayed by recency and normalized per 100 power units, out-of-service and violation rates use a rolling 24-month window, plus FMCSA BASIC alerts and the CarrierIntel Safety Score (which also decays when compliance has not been verified by a recent inspection). Not the official FMCSA SMS score.
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
1 historical event(s) on file
MCS-150 Filing
Last filed 2025-05-27
INSURANCE
Active Coverage
1 active policy(ies) · total max coverage $750,000
SUMMARY
No crashes in the last 24 months
Active insurance on file
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