MASHINIi

MasTec Inc..

MTZ.US | Construction of other civil engineering projects

MasTec, Inc. is a leading infrastructure construction company operating mainly in North America. The company's services include engineering, building, installation, maintenance, and upgrade of energy, utility, and communications infrastructure. MasTec operates through segments such as Communications...Show More

Ethical Profile

Mixed.

MasTec Inc.'s ethical profile is mixed. The company faced a significant data breach affecting approximately 22,000 employees, with personal data allegedly compromised via a third-party system. A class action lawsuit points to 'grossly inadequate' cybersecurity and a reported 153-day delayed notification. In environmental matters, MasTec was fined $1.5 million for Clean Water Act violations during pipeline construction in Oregon. While involved in clean energy projects, its operations also include oil and gas infrastructure. Additionally, reports suggest MasTec has faced penalties for safety-related and employment-related violations.

Value Scores

Better Health for All0
-100100
Fair Money & Economic Opportunity0
-100100
Fair Pay & Worker Respect-20
-100100
Fair Trade & Ethical Sourcing0
-100100
Honest & Fair Business0
-100100
Kind to Animals0
-100100
No War, No Weapons0
-100100
Planet-Friendly Business0
-100100
Respect for Cultures & Communities0
-100100
Safe & Smart Tech-10
-100100
Zero Waste & Sustainable Products0
-100100

Better Health for All

0

MasTec Inc. is an infrastructure construction company, and its core business activities do not directly align with the health-focused KPIs of the 'Better Health for All' value, which typically pertain to healthcare, pharmaceutical, or food companies. The provided articles contain no specific, concrete data points regarding the net health effect of the company's principal goods or services, harmful revenue share, user safety record, price accessibility of health products, reach to vulnerable populations for health needs, health risk transparency, health innovation investment, indirect health externalities with quantified health impact or mitigation, health equity programs, healthcare workforce support, preventative health measures, healthcare data responsibility, global health crisis response, mental health initiatives, or healthcare education. Evidence related to employee safety and general environmental violations is explicitly excluded from this value category.

Fair Money & Economic Opportunity

0

No evidence available to assess MasTec Inc. on Fair Money & Economic Opportunity.

Fair Pay & Worker Respect

-20

MasTec Inc. recorded six substantiated labor-law violations in the past three years (2023-2025), comprising one wage & hour violation in 2023

1
and five workplace safety & health violations across 2023, 2024, and 2025
2
. The company's CEO-to-median worker pay ratio was 73:1.
3

Fair Trade & Ethical Sourcing

0

The provided articles do not contain specific quantitative data points for any of the KPIs under Fair Trade & Ethical Sourcing. While MasTec states its commitment to human rights

1
, opposition to forced and child labor
2
, and expects ethical conduct from suppliers
3
, there is no evidence regarding the percentage of fair-trade certified spend, audit frequency, number of forced/child labor incidents, traceability coverage, remediation speed, ethical clause coverage in supplier contracts, share of high-risk materials, or supplier diversity spend.

Honest & Fair Business

0

No evidence available to assess MasTec Inc. on Honest & Fair Business.

Kind to Animals

0

The provided articles contain no data relevant to MasTec Inc.'s performance regarding the 'Kind to Animals' ethical value. Both articles explicitly state that they do not address animal welfare, testing, or sourcing practices for MTZ.US.

1

No War, No Weapons

0

No evidence available to assess MasTec Inc. on No War, No Weapons.

Planet-Friendly Business

0

No quantitative data was provided in the articles to assess MasTec Inc.'s performance against the Planet-Friendly Business ethical value. The articles explicitly state a lack of information regarding emissions, renewable energy use, water consumption, waste diversion, and other key environmental metrics.

1
While regulatory actions and fines for environmental violations were mentioned, the information was not specific enough to quantify annual compliance violations according to the rubric's precise requirements for 'minor' versus 'major' incidents.

Respect for Cultures & Communities

0

No specific, quantifiable evidence was found in the provided articles to assess MasTec Inc. (MTZ.US) against the KPIs for Respect for Cultures & Communities. The available information either pertains to a subsidiary (MasTec Network Solutions)

1
or explicitly states a lack of data relevant to the defined metrics for the parent company
2
.

Safe & Smart Tech

-10

MasTec experienced two data breaches within the past three years. In May 2023, a breach affected approximately 22,000 current and former employees, exposing sensitive personal information including Social Security numbers

1
, with notification delayed for 153 days.
2
A separate data breach by CL0P was reported in October 2025, though its scale is unknown.
3
The company's security training program is robust, with all employees undergoing security awareness training, including regular testing via simulated phishing emails
4
, and specialized training for certain roles.
5
MasTec provides industry-standard user data controls, including the right for California residents to access and delete their personal information
6
, and an option to opt-out of marketing emails
7
, though it does not respond to "Do Not Track" signals.
8
The company conducts regular security testing, including simulations, drills, assessments
9
, and periodic external penetration tests.
10
MasTec states compliance with the California Consumer Privacy Act (CCPA)
11
and aligns its cybersecurity risk management program with the NIST framework.
12

Zero Waste & Sustainable Products

0

No evidence available to assess MasTec Inc. on Zero Waste & Sustainable Products.

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AI-generated analysis based on publicly available data. Not financial advice. Ratings are expressions of opinion derived from automated models and may contain inaccuracies. See our Risk Disclosure for full details.