Insights

Infrastructure Expertise Three Phase Line Construction Inc. specializes in high-voltage energy infrastructure projects up to 500kv, indicating a strong capability to handle large-scale transmission and substation projects, making them a suitable partner for utility companies and energy providers expanding or upgrading their grids.

Comprehensive Services The company's end-to-end offerings, including engineering, procurement, construction, and long-term maintenance, present opportunities for integrated service contracts with utilities, telecommunications firms, and government agencies seeking consolidated infrastructure solutions.

Parent Company Support As a subsidiary of MasTec Inc., a large multinational infrastructure construction firm, Three Phase Line Construction benefits from extensive resources and industry experience, which can be leveraged for large or complex projects requiring reliable and scalable execution.

Technology Adoption Utilizing modern technological tools such as Microsoft Azure and Nginx indicates a focus on digital efficiency and data management, offering prospects for clients interested in innovative, tech-enabled infrastructure solutions.

Growth Potential With revenues estimated between 25 million and 50 million dollars and an employee base of up to 200, the company appears to be growing, providing opportunities to collaborate on upcoming infrastructure projects driven by increasing demands in energy distribution and telecommunications.

3 Phase Line Construction Inc.'s Email Address Formats

3 Phase Line Construction Inc. uses at least 2 format(s):

3 Phase Line Construction Inc. Email Formats	Example	Percentage
First.Last@3phaseline.com	John.Doe@3phaseline.com	70%
FLast@3phaseline.com	JDoe@3phaseline.com	24%
First@3phaseline.com	John@3phaseline.com	3%
Last@3phaseline.com	Doe@3phaseline.com	3%
First@linebylineindexing.com	John@linebylineindexing.com	100%

3 Phase Line Construction Inc. Email Formats

Example

Percentage

First.Last@3phaseline.com

John.Doe@3phaseline.com

70%

FLast@3phaseline.com

JDoe@3phaseline.com

24%

First@3phaseline.com

John@3phaseline.com

Last@3phaseline.com

Doe@3phaseline.com

First@linebylineindexing.com

John@linebylineindexing.com

100%

Frequently Asked Questions

Where is 3 Phase Line Construction Inc.'s headquarters located?

3 Phase Line Construction Inc.'s main headquarters is located at 125 Parrott Avenue Portsmouth, New Hampshire 03801 United States. The company has employees across 2 continents, including North AmericaAfrica.

What is 3 Phase Line Construction Inc.'s phone number?

You can contact 3 Phase Line Construction Inc.'s main corporate office by phone at

+1-603-277-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is 3 Phase Line Construction Inc.'s official website and social media links?

3 Phase Line Construction Inc.'s official website is 3phaseline.com and has social profiles on LinkedIn.

What is 3 Phase Line Construction Inc.'s NAICS code?

3 Phase Line Construction Inc.'s NAICS code is 23 - Construction.

How many employees does 3 Phase Line Construction Inc. have currently?

As of April 2026, 3 Phase Line Construction Inc. has approximately 68 employees across 2 continents, including North AmericaAfrica. Key team members include Cfo: S. P.Owner/President: K. P.Owner: J. L.. Explore 3 Phase Line Construction Inc.'s employee directory with LeadIQ.

What industry does 3 Phase Line Construction Inc. belong to?

3 Phase Line Construction Inc. operates in the Construction industry.

What technology does 3 Phase Line Construction Inc. use?

3 Phase Line Construction Inc.'s tech stack includes jQueryMicrosoft AzurePHPNginx.

What is 3 Phase Line Construction Inc.'s email format?

3 Phase Line Construction Inc.'s email format typically follows the pattern of First.Last@3phaseline.com. Find more 3 Phase Line Construction Inc. email formats with LeadIQ.

When was 3 Phase Line Construction Inc. founded?

3 Phase Line Construction Inc. was founded in 1996.

3 Phase Line Construction Inc.

Q: What technology does 3 Phase Line Construction Inc. use?

3 Phase Line Construction Inc.'s tech stack includes jQuery, Microsoft Azure, PHP, Nginx.

Q: What is 3 Phase Line Construction Inc.'s NAICS code?

3 Phase Line Construction Inc.'s NAICS code is 23 (Construction).

ConstructionNew Hampshire, United States51-200 Employees

Three Phase Line Construction Inc. is a full service infrastructure construction organization that focuses on Transmission, Distribution, Telecommunication, Substation and Switchyard services as well as long-term maintenance services. We also engineer, procure and construct to deliver a functioning customized solution to our clients. Our crews are trained and equipped to perform work on energy infrastructure projects with voltages ranging up to 500kv. Three Phase Line Construction, Inc. has been a subsidiary of MasTec, Inc. since 2007. MasTec, Inc. is a publicly owned, multi-national infrastructure construction company.

To learn more about Three Phase Line Construction's services, visit http://www.threephaseline.com 
To join our team, visit http://www.threephaseline.com/careers/

Insights

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