Insights

Specialized Testing Capabilities RRJ's in-house laboratory and field testing services for building materials and façade systems position them as a comprehensive resource for clients needing rigorous assessment and validation, presenting opportunities to expand testing service contracts.

Growth through Strategic Hires Recent additions of key personnel such as a business development consultant and an equity principal indicate RRJ's focus on expanding client relationships and enhancing leadership, signaling potential for increased outreach and new project acquisition.

Public Sector Collaborations Partnerships with government organizations like the National Park Service highlight RRJ’s reputation in restoration and preservation projects, enabling targeted marketing to other public agencies and heritage conservation initiatives.

Industry Recognition As a nationally recognized firm with a diverse team of engineers, architects, and technicians, RRJ is well-positioned to leverage its expertise in structural assessments and forensic investigations to attract complex, high-value projects from both public and private clients.

Sustainability and Preservation Focus RRJ’s involvement in historic restoration projects underscores an emphasis on sustainability and adaptive reuse, offering sales opportunities in environmentally responsible building assessments and preservation consulting.

Raths, Raths & Johnson, Inc. Tech Stack

Raths, Raths & Johnson, Inc. uses 8 technology products and services including Open Graph, Shopify, Mailchimp, and more. Explore Raths, Raths & Johnson, Inc.'s tech stack below.

  • Open Graph
    Content Management System
  • Shopify
    E-commerce
  • Mailchimp
    Email
  • Google Cloud
    Infrastructure As A Service
  • jQuery
    Javascript Libraries
  • Yoast SEO
    Search Engines
  • reCAPTCHA
    Security
  • Google Analytics
    Web Analytics

Raths, Raths & Johnson, Inc.'s Email Address Formats

Raths, Raths & Johnson, Inc. uses at least 1 format(s):
Raths, Raths & Johnson, Inc. Email FormatsExamplePercentage
FirstLast@rrj.comJohnDoe@rrj.com
52%
First.Last@rrj.comJohn.Doe@rrj.com
28%
FLast@rrj.comJDoe@rrj.com
12%
Last@rrj.comDoe@rrj.com
8%

Frequently Asked Questions

Where is Raths, Raths & Johnson, Inc.'s headquarters located?

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Raths, Raths & Johnson, Inc.'s main headquarters is located at 500 Joliet Road Suite 200 Willowbrook, Illinois 60527 United States. The company has employees across 1 continents, including North America.

What is Raths, Raths & Johnson, Inc.'s phone number?

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You can contact Raths, Raths & Johnson, Inc.'s main corporate office by phone at . 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 Raths, Raths & Johnson, Inc.'s official website and social media links?

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Raths, Raths & Johnson, Inc.'s official website is rrj.com and has social profiles on LinkedIn.

What is Raths, Raths & Johnson, Inc.'s NAICS code?

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Raths, Raths & Johnson, Inc.'s NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does Raths, Raths & Johnson, Inc. have currently?

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As of April 2026, Raths, Raths & Johnson, Inc. has approximately 41 employees across 1 continents, including North America. Key team members include Senior Project Architect: A. B.Senior Project Engineer | Building Enclosure Consultant: E. L.Principal: O. G.. Explore Raths, Raths & Johnson, Inc.'s employee directory with LeadIQ.

What industry does Raths, Raths & Johnson, Inc. belong to?

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Raths, Raths & Johnson, Inc. operates in the Civil Engineering industry.

What technology does Raths, Raths & Johnson, Inc. use?

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Raths, Raths & Johnson, Inc.'s tech stack includes Open GraphShopifyMailchimpGoogle CloudjQueryYoast SEOreCAPTCHAGoogle Analytics.

What is Raths, Raths & Johnson, Inc.'s email format?

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Raths, Raths & Johnson, Inc.'s email format typically follows the pattern of FirstLast@rrj.com. Find more Raths, Raths & Johnson, Inc. email formats with LeadIQ.

When was Raths, Raths & Johnson, Inc. founded?

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Raths, Raths & Johnson, Inc. was founded in 1966.

Raths, Raths & Johnson, Inc.

Civil EngineeringIllinois, United States11-50 Employees

Raths, Raths & Johnson, Inc. (RRJ) is a nationally recognized engineering, architecture, and forensics consulting firm that provides investigative, design, repair, and testing services for building structures, enclosures, and materials. With a professional staff of structural engineers, architects, and field / laboratory technicians, RRJ employs an evaluation methodology that combines an in depth knowledge of building sciences and construction materials with the firm's analytical and testing capabilities to deliver an integrated approach to assess and resolve structural, architectural and building system behavior and performance issues. 

RRJ's structural engineering and architectural expert services are augmented by its private laboratory and field testing capabilities.  RRJ performs tests from ASTM standards to specific, customized methods including  façade systems and curtain wall components, structural elements and components, and construction materials.

Section iconCompany Overview

Headquarters
500 Joliet Road Suite 200 Willowbrook, Illinois 60527 United States
Phone number
Website
rrj.com
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
1966
Employees
11-50

Section iconFunding & Financials

  • $10M$25M

    Raths, Raths & Johnson, Inc.'s revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Raths, Raths & Johnson, Inc.'s revenue is estimated to be in the range of $10M$25M

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