LeadIQ logo
Learn more at LeadIQ.com
RJN Group, Inc. logo

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

Minus sign iconPlus sign icon
  • United States Of America
    230
  • Canada
    1

Asia
4

Minus sign iconPlus sign icon
  • India
    2
  • Malaysia
    1
  • Philippines
    1

Africa
2

Minus sign iconPlus sign icon
  • Namibia
    1
  • Morocco
    1

South America
1

Minus sign iconPlus sign icon
  • 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
  • Graduate Engineer at RJN Group, Inc.
    A. F.
    Graduate Engineer
    Mobile Phone
    Mar 25, 2026
  • Project Coordinator at RJN Group, Inc.
    N. H.
    Project Coordinator
    Mobile Phone
    May 30, 2026
  • Human Resources at RJN Group, Inc.
    B. B.
    Human Resources
    Mobile Phone
    Oct 23, 2024
  • Field Technician at RJN Group, Inc.
    B. E.
    Field Technician
    Mobile Phone
    Apr 25, 2025
  • Field Technician at RJN Group, Inc.
    C. R.
    Field Technician
    Mobile Phone
    Apr 24, 2025
  • Human Resources Coordinator at RJN Group, Inc.
    K. S.
    Human Resources Coordinator
    Mobile Phone
    Sep 23, 2026
  • Executive Assistant at RJN Group, Inc.
    L. T.
    Executive Assistant
    Mobile Phone
    Oct 16, 2024
  • Field Engineer at RJN Group, Inc.
    F. P.
    Field Engineer
    Mobile Phone
    Sep 02, 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?

Minus sign iconPlus sign icon

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.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

  • B2B data verified in real-time
  • Sync data to your CRM, & add it to an outreach sequence in one click
  • Integrations with your tech stack for optimal efficiency
  • A patented AI cold email generator
  • Account & contact-level job change tracking

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.