---
title: "STACK BROS MECHANICAL CONTRACTORS INC | DOT 1280175 | Carrier Profile"
url: https://runalphaloops.com/carrier/wi/1280175/stack-bros-mechanical-contractors-inc
description: "STACK BROS MECHANICAL CONTRACTORS INC is a interstate carrier based in SUPERIOR, WI. Fleet size: 134 power units, 143 drivers. DOT# 1280175, MC# 1583591."
lang: en
---

Active

Interstate

# STACK BROS MECHANICAL CONTRACTORS INC

DBA: STACK BROS

Risk score · full evidence · 72-hour access · No account required

DOT #

1280175

MC #

1583591

Location

SUPERIOR, WI

Phone

7153982964

Power Units

134

Drivers

143

Trailers

13

Annual Miles

In full report

Entity Type

N/A

MCS-150 Date

Oct 15, 2026

## Risk Signals — STACK BROS MECHANICAL CONTRACTORS INC

Scanning active

Data available for 2 of 4 areas

The full report covers each area below with the underlying FMCSA records, linked carriers, and news sources.

Historical patterns

Included in the full report

DATA AVAILABLE

Safety record

Included in the full report

DATA AVAILABLE

Chameleon connections

No records on file

NO DATA

Recent news

No records on file

NO DATA

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## Inspection Summary

Recent Inspections (90 Days)

2

Vehicle OOS Rate

0%

0 of 2

National avg ~21%

Driver OOS Rate

0%

0 of 2

National avg ~5%

OOS Inspections

0

Driver + Vehicle OOS

Most recent

Oct 1, 2026 · WI

Clean rate (90d)

18%

Every inspection with date, location, level, violations found, and out-of-service results.

## Crash Summary

Crashes (24 Months)

0

FMCSA-reportable

Fatal Crashes

0

0 fatalities

Injury Crashes

0

0 people injured

Tow-Away Crashes

0

No injury or fatality

All records since Apr 2015

1 crashes · 0 fatal

Most recent crash

Apr 15, 2015

Based on FMCSA crash data. Includes all reportable crashes regardless of fault; each crash is counted once by its most severe outcome.

## Counterparty Reports

Email-verified, moderated transaction reports from brokers, shippers, and carriers who worked with STACK BROS MECHANICAL CONTRACTORS INC.

No verified counterparty reports yet

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## About STACK BROS MECHANICAL CONTRACTORS INC

Stack Brothers Mechanical Contractors, Inc. has been providing top-notch mechanical and HVAC system maintenance services since 1890. They operate within Minnesota, Wisconsin, and the Upper-Midwest. Their services include HydroVac, railroad maintenance, pipefitting, boiler services, oil and gas services, general contracting, electrical services, plumbing and HVAC services, civil and concrete services, cranes and heavy equipment, and heat treatment. They are dedicated to servicing the Duluth-Superior region with exceptional installation, repair, and maintenance services for mechanical and HVAC systems.

#### Key Features

Mechanical and HVAC systems maintenance

HydroVac services

Railroad maintenance

Pipefitting

Boiler services

Oil and gas services

General contracting

Electrical services

Plumbing and HVAC services

Civil and concrete services

Cranes and heavy equipment

Heat treatment

### Service Regions Active in 3 states

Top states:

WI

MN

IA

Full state-by-state operating volumes, inspection locations, and lane coverage analysis.

### CSA Safety Scores 5 BASICs

5 BASICs measured

Percentile rankings pending FMCSA publication — raw measures + violations available in the report.

Full BASIC percentiles, measure scores, BASIC + roadside alerts, and Acute Carrier flags from the latest FMCSA SMS snapshot.

## Operating Authority

Common Authority

Holds Active Authority(3 years)

Contract Authority

No Authority

Broker Authority

No Authority

### Insurance & Coverage

BIPD, cargo, and excess liability coverage amounts, policy history, and insurer names.

## Contact Information

7153982964

Physical Address

3119 HILL AVE

SUPERIOR, WI 54880

## Cargo & Operations

Cargo Carried

Building Materials

Machinery

Construction

### Violations by Category 19 total

Most common category

Vehicle Maintenance · 42% of violations

across 5 categories

Full violation breakdown by category, out-of-service rates, and historical trends over time.

### Fleet Analytics 30 trucks

Top manufacturers

FREIGHTLINER

STERLING

FORD

Sample units

1FT7X2B69GECXXXXX 2016 FORD F250

2FZSAZCK87AXXXXXX 2007 STERLING L9500

Full manufacturer, model, and model-year breakdown plus the VIN-level fleet roster.

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## About this data

Information on this page is compiled from public records and third-party sources, including FMCSA registration, inspection, and crash data and publicly available court and news records, and may include automated analysis. It is provided for general informational purposes only, may be incomplete, out of date, or contain errors, and is provided "as is" without warranties of any kind. Risk indicators and summaries reflect our assessment of the available data; they are not an FMCSA safety rating or a determination of any carrier's safety, fitness, or creditworthiness. Verify information with the carrier and original sources, such as FMCSA SAFER, before relying on it.

AlphaLoops is not a consumer reporting agency, and this information may not be used as a factor in determining eligibility for credit, insurance, employment, or any other purpose covered by the Fair Credit Reporting Act.

If you represent this carrier and believe information on this page is inaccurate, email hello@runalphaloops.com with your USDOT number and the item in question. See our Terms (https://runalphaloops.com/terms).

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