Company: MTZ
Filing Date: 2025-02-28
Form Type: S-3ASR
Source: 0001193125-25-042499
Chunk: 6

Company: MASTEC INC
Filing Date: 2025-02-28
Form: S-3ASR
Chunk 6
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 of Certain Documents by Reference” on page 37 of this prospectus for information about us and our financial statements.

We are a leading infrastructure construction company operating mainly throughout North America across a range of industries. Our primary activities include
the engineering, building, installation, maintenance and upgrade of communications, energy, utility and other infrastructure, such as: wireless, wireline/fiber and customer fulfillment activities; power delivery infrastructure, including
transmission, distribution, grid hardening and modernization, environmental planning and compliance; power generation infrastructure, primarily from clean energy and renewable sources; pipeline infrastructure, including for natural gas, water and
carbon capture sequestration pipelines and pipeline integrity services; heavy civil and industrial infrastructure, including roads, bridges and rail; and environmental remediation services. Our customers are primarily in these industries. Including
our predecessor companies, we have been in business for 95 years. For the twelve month period ended December 31, 2024, we had an average of approximately 33,000 employees and 780 locations, and as of December 31, 2024, we had approximately
32,000 employees and 770 locations. We offer our services under the MasTec and other service marks.

We provide integrated, solutions-based services to a diversified base of customers and a significant portion of our services are provided under master service
and other service agreements, which are generally multi-year agreements. The remainder of our work is generated pursuant to contracts for specific projects or jobs that require the construction or installation of an entire infrastructure system or
specified units within an infrastructure system.

We manage our operations under five operating segments, which represent our five reportable segments:
(1) Communications; (2) Clean Energy and Infrastructure; (3) Power Delivery; (4) Pipeline Infrastructure and (5) Other. This structure is generally focused on broad end-user markets
for our labor-based construction services. See the segment information set forth in the applicable notes to our consolidated financial statements that are filed with our periodic reports incorporated by reference, as described in “Incorporation
of Certain Documents by Reference” on page 37 of this prospectus, for additional information regarding our segment reporting and significant customer concentrations. During the fourth quarter of 2024, we renamed our Oil and Gas segment as the
Pipeline Infrastructure segment to better represent the nature of the segment’s operations, end markets and customer characteristics. There was no change to the composition of the segment or its historical results.

The Communications segment performs engineering, construction, maintenance and