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RJN Group, Inc. Employee Directory

Civil EngineeringIllinois, United States201-500 Employees

RJN Group, Inc. is a civil engineering firm that operates nationwide and provides engineering and pipeline condition assessment services for water and wastewater collection and distribution systems. The company focuses on practical solutions for the operation and maintenance of underground infrastructure. For about 50 years, RJN Group has delivered efficient and innovative approaches to these challenges and has been named a Best Firm to Work For. The firm is 100% employee-owned (ESOP) and employs between 201 and 500 people. Its address is 2655 Warrenville Road, Suite 225, Downers Grove, Illinois 60515, United States, and its website is https://rjn.com.

Find RJN Group, Inc. employees' phone numbers or email addresses

RJN Group, Inc. Global Highlights

Location
Employees

North America
231

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  • United States Of America
    230
  • Canada
    1

Asia
4

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  • India
    2
  • Malaysia
    1
  • Philippines
    1

Africa
2

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  • Namibia
    1
  • Morocco
    1

South America
1

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  • Brazil
    1

RJN Group, Inc.'s Leadership

  • Chief Executive Officer And Chairman at RJN Group, Inc.
    M. H.
    Chief Executive Officer And Chairman
    Mobile Phone
  • President at RJN Group, Inc.
    E. K.
    President
    Mobile Phone
  • President at RJN Group, Inc.
    R. N.
    President
    Mobile Phone
  • President at RJN Group, Inc.
    R. W.
    President
    Mobile Phone
  • President at RJN Group, Inc.
    R. U.
    President
    Mobile Phone
  • Sr. Vice President at RJN Group, Inc.
    D. J.
    Sr. Vice President
    Mobile Phone
  • Director Of Infrastructure at RJN Group, Inc.
    T. S.
    Director Of Infrastructure
    Mobile Phone
  • Marketing Director at RJN Group, Inc.
    W. C.
    Marketing Director
    Mobile Phone

RJN Group, Inc. Employee Metrics

100%
50%
0%
2026
2025
  • Program & Project Management
  • Engineering
  • Administrative
  • Arts & Design
  • Accounting
  • Other
  • Human Resources
  • Business

Contact profiles from RJN Group, Inc.

Name
Title
Contact
Location
Last Update
  • President at RJN Group, Inc.
    E. K.
    President
    Mobile Phone
    Oct 17, 2024
  • Chief Executive Officer And Chairman at RJN Group, Inc.
    M. H.
    Chief Executive Officer And Chairman
    Mobile Phone
    Oct 21, 2024
  • President at RJN Group, Inc.
    R. N.
    President
    Mobile Phone
    Oct 18, 2024
  • President at RJN Group, Inc.
    R. W.
    President
    Mobile Phone
    Oct 24, 2024
  • President at RJN Group, Inc.
    R. U.
    President
    Mobile Phone
    Oct 17, 2024
  • Sr. Vice President at RJN Group, Inc.
    D. J.
    Sr. Vice President
    Mobile Phone
    Feb 05, 2026
  • Director Of Infrastructure at RJN Group, Inc.
    T. S.
    Director Of Infrastructure
    Mobile Phone
    Sep 28, 2026
  • Marketing Director at RJN Group, Inc.
    W. C.
    Marketing Director
    Mobile Phone
    Oct 21, 2024
  • Hydraulic Data Manager at RJN Group, Inc.
    J. C.
    Hydraulic Data Manager
    Mobile Phone
    Jun 28, 2026
  • Project Manager, Associate at RJN Group, Inc.
    A. B.
    Project Manager, Associate
    Mobile Phone
    Sep 14, 2026

Frequently Asked Questions

What is RJN Group, Inc. known for?

Minus sign iconPlus sign iconRJN Group, Inc. was founded in 1975 and operates in the Civil Engineering industry. You can contact RJN Group, Inc.'s main corporate office by phone at
+1-630-682-****
. Explore RJN Group, Inc.'s company overview page for more information.

What is RJN Group, Inc.'s most common email format?

Minus sign iconPlus sign iconRJN Group, Inc. employees' email format typically follows the pattern of FLast@rjn.com. Trying to find reliable and up-to-date employee contact data? Find more RJN Group, Inc. email formats with LeadIQ.

How many employees does RJN Group, Inc. have currently?

Minus sign iconPlus sign iconRJN Group, Inc. has approximately 219 employees as of October 2026. These team members are located across 4 continents, including North America, Asia and Africa.

Who are RJN Group, Inc.'s key employees and leadership?

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As of October 2026, RJN Group, Inc.'s key employees include:

  • Chief Executive Officer And Chairman: M. H.
  • President: E. K.
  • President: R. N.
  • President: R. W.
  • President: R. U.

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