What departments does National Underground Group have?

National Underground Group has employees across 9 departments including Business, Business Development, Human Resources, Information Technology, Accounting.

What is the largest department at National Underground Group?

The largest department at National Underground Group is Human Resources with 2 employees.

Where are National Underground Group employees located globally?

National Underground Group has employees across 2 continents and 3 countries including United Kingdom Of Great Britain And Northern Ireland, Germany, United States Of America.

How has National Underground Group's team size changed over time?

National Underground Group's team has decreased from approximately 40 to 25 employees based on available data.

National Underground Group Employee Directory

ConstructionCalifornia, United States11-50 Employees

National Underground Group is a construction-focused company dedicated to underground infrastructure. With roots dating back to 1947, it provides a full spectrum of services to maintain and upgrade underground networks and operates through a family of specialized brands including Pro-Pipe, Tri-State Utilities, Accumark, Pipe Vision, and Benchmark. Based in Irvine, California, the company serves municipalities, utilities, government agencies, construction firms, and engineering practices across the United States. It positions itself as an integrated solutions provider for planning, installation, maintenance, and modernization of underground systems. These activities place the company within the broader underground construction sector, serving a diverse set of public and private sector clients.

National Underground Group Global Highlights

North America
71

United States Of America
71

Europe
3

United Kingdom Of Great Britain And Northern Ireland
2
Germany
1

National Underground Group's Leadership

D. H.
Vice President Of Risk
Mobile Phone
Email
Z. L.
Vice President And General Manager
Mobile Phone
Email
C. M.
Small Business Owner
Mobile Phone
Email
N. M.
Owner-Operator
Mobile Phone
Email
M. R.
Director Of Business Development
Mobile Phone
Email
J. L.
Regional Director Southwest
Mobile Phone
Email
K. J.
Human Resources Director
Mobile Phone
Email
K. B.
Branch Manager, Proffesional Pipe Services
Mobile Phone
Email

National Underground Group Employee Metrics

100%

50%

0%

2026

2025

Program & Project Management
Administrative
Civil Engineering & Construction
Consultant
Healthcare Services
Other
Human Resources
Business Development

Contact profiles from National Underground Group

Name

Title

Contact Info

Location

Last Update

C. M.
Small Business Owner
Mobile Phone
Email
Apr 25, 2025
N. M.
Owner-Operator
Mobile Phone
Email
Apr 23, 2025
D. H.
Vice President Of Risk
Mobile Phone
Email
United StatesVirginia
May 08, 2026
Z. L.
Vice President And General Manager
Mobile Phone
Email
Jul 30, 2024
M. R.
Director Of Business Development
Mobile Phone
Email
United StatesKentucky
May 08, 2026
J. L.
Regional Director Southwest
Mobile Phone
Email
United StatesArizona
Jan 06, 2025
K. J.
Human Resources Director
Mobile Phone
Email
United StatesArizona
Feb 23, 2024
K. B.
Branch Manager, Proffesional Pipe Services
Mobile Phone
Email
May 27, 2026
J. F.
Branch Manager, Proffesional Pipe Services
Mobile Phone
Email
Oct 24, 2024
T. O.
Branch Manager
Mobile Phone
Email
Oct 18, 2024

Frequently Asked Questions

What is National Underground Group known for?

National Underground Group operates in the Construction industry. The company's main headquarters is located in 47 Discovery Suite 250 Irvine, California 92618 United States; you can contact the main corporate office by phone at

+1-949-380-****

. Explore National Underground Group's company overview page for more information.

What is National Underground Group's most common email format?

National Underground Group employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more National Underground Group email formats with LeadIQ.

How many employees does National Underground Group have currently?

National Underground Group has approximately 50 employees as of June 2026. These team members are located across 2 continents, including North AmericaEurope.

Who are National Underground Group's key employees and leadership?

As of June 2026, National Underground Group's key employees include:

Vice President Of Risk: D. H.
Vice President And General Manager: Z. L.
Small Business Owner: C. M.
Owner-Operator: N. M.
Director Of Business Development: M. R.

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National Underground Group Employee Directory

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