Insights

Infrastructure Expertise Three Phase Line Construction specializes in high-voltage energy infrastructure projects up to 500kv, indicating strong expertise in complex transmission and substation services, ideal for utility companies seeking reliable infrastructure upgrades or maintenance.

Growth Potential With annual revenues ranging from 10 to 50 million dollars and a workforce of up to 200 employees, the company presents opportunities for scalable partnership engagements and contract expansions in infrastructure development.

Parent Company Leverage As a subsidiary of MasTec Inc., a major multinational with extensive project resources and funding, Three Phase Line Construction can access large-scale projects and joint ventures to enhance bidding success and project scope.

Industry Focus The company’s focus on transmission, distribution, telecommunication, and switchyard services aligns well with energy providers, telecom companies, and government agencies seeking infrastructure modernization and maintenance solutions.

Technological Capabilities Utilizing advanced technology stacks like Microsoft Azure and Nginx suggests a modern operational approach, enabling seamless project management and data integration—potentially appealing to clients prioritizing innovative, tech-enabled solutions.

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 Ave., Portsmouth, New Hampshire 03801, US. 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 October 2025, 3 Phase Line Construction Inc. has approximately 68 employees across 2 continents, including North AmericaAfrica. Key team members include Vice President Operations: C. M.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.

ConstructionUnited 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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