Insights

Strategic Acquisitions RSI EnTech has demonstrated strong growth and market expansion through recent acquisitions of Sigma Science and Envirachem, indicating a proactive approach to broadening its service offerings and strengthening its position in the Department of Energy nuclear and environmental sectors.

Government Sector Focus With a nearly 30-year track record partnering with federal agencies and occupying a niche in nuclear and environmental project delivery, RSI EnTech presents significant opportunities for vendors targeting government contracts and compliance-driven projects.

Financial Scale The company's substantial revenue range of 500 million to one billion dollars signifies a proven capacity for large-scale projects, making it an attractive target for suppliers of advanced tech solutions, specialized consulting, or regulatory compliance services.

Industry Positioning As a certified Small Disadvantaged Business and an 8(a) company, RSI EnTech is well-positioned to leverage federal contracting advantages, creating opportunities for partners who offer small business-friendly solutions or want to collaborate on joint ventures.

Technology Ecosystem RSI EnTech's usage of diverse technical tools such as MATLAB, Esri ArcGIS, and Microsoft VBA indicates a reliance on advanced environmental and data analysis technologies, opening avenues for vendors providing software, data analytics, and GIS solutions tailored to complex environmental and nuclear projects.

RSI EnTech, LLC Tech Stack

RSI EnTech, LLC uses 8 technology products and services including MATLAB, LinkedIn Recruiter, Squarespace, and more. Explore RSI EnTech, LLC's tech stack below.

  • MATLAB
    Advanced Analytics And Data Science
  • LinkedIn Recruiter
    Applicant Tracking Systems
  • Squarespace
    Content Management System
  • WinEst
    Facilities Management
  • Esri ArcGIS
    Mapping And Gis
  • reCAPTCHA
    Security
  • Microsoft Visual Basic for Applications
    Software Development
  • Contact Form 7
    Web Platform Extensions

RSI EnTech, LLC's Email Address Formats

RSI EnTech, LLC uses at least 1 format(s):
RSI EnTech, LLC Email FormatsExamplePercentage
FLast@rsienv.comJDoe@rsienv.com
93%
First.Last@rsienv.comJohn.Doe@rsienv.com
5%
FirstLast@rsienv.comJohnDoe@rsienv.com
1%
Last@rsienv.comDoe@rsienv.com
1%

Frequently Asked Questions

Where is RSI EnTech, LLC's headquarters located?

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RSI EnTech, LLC's main headquarters is located at 151 Lafayette Drive Suite 100 Oak Ridge, Tennessee United States. The company has employees across 4 continents, including North AmericaAsiaEurope.

What is RSI EnTech, LLC's stock symbol?

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RSI EnTech, LLC is a publicly traded company; the company's stock symbol is RSI.

What is RSI EnTech, LLC's official website and social media links?

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RSI EnTech, LLC's official website is rsienv.com and has social profiles on LinkedIn.

What is RSI EnTech, LLC's NAICS code?

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RSI EnTech, LLC's NAICS code is 54162 - Environmental Consulting Services.

How many employees does RSI EnTech, LLC have currently?

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As of April 2026, RSI EnTech, LLC has approximately 496 employees across 4 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: W. G.Vice President And General Manager: M. G.Vice President Business Services: R. M.. Explore RSI EnTech, LLC's employee directory with LeadIQ.

What industry does RSI EnTech, LLC belong to?

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RSI EnTech, LLC operates in the Environmental Services industry.

What technology does RSI EnTech, LLC use?

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RSI EnTech, LLC's tech stack includes MATLABLinkedIn RecruiterSquarespaceWinEstEsri ArcGISreCAPTCHAMicrosoft Visual Basic for ApplicationsContact Form 7.

What is RSI EnTech, LLC's email format?

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RSI EnTech, LLC's email format typically follows the pattern of FLast@rsienv.com. Find more RSI EnTech, LLC email formats with LeadIQ.

When was RSI EnTech, LLC founded?

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RSI EnTech, LLC was founded in 1996.

RSI EnTech, LLC

Environmental ServicesTennessee, United States201-500 Employees

Representing the AIS Environmental and Nuclear business line, RSI is dedicated to advancing the missions of our clients in the environmental, nuclear, energy, construction, and project delivery sectors. With nearly 30 years of experience, we have successfully partnered with federal agencies and private industry to plan and execute complex projects that prioritize safety, performance excellence, and strong returns for our clients. Our strength lies in our talented workforce who demonstrate the core values that define us. We work with a shared purpose and remain committed to each other, the clients and communities we serve, and the greater mission of our Iñupiaq shareholders. Based in Oak Ridge, Tennessee, RSI companies are certified Small Disadvantaged Businesses with 8(a) advantages. We invite you to visit us at rsienv.com to learn more about our story, people, and purpose.

About ASRC Industrial 
Headquartered in Tempe, AZ, ASRC Industrial is a wholly-owned subsidiary of Arctic Slope Regional Corporation. ASRC Industrial is organized within three capability based operating groups: construction, maintenance and repair; remediation and response services; and environmental engineering and professional services. ASRC Industrial has 4,000 employees and operations throughout the Continental United States. ASRC Industrial and its subsidiaries are considered minority business enterprises. Learn more about ASRC Industrial at www.asrcindustrial.com.

Section iconCompany Overview

Headquarters
151 Lafayette Drive Suite 100 Oak Ridge, Tennessee United States
Website
rsienv.com
Stock Symbol
RSI
NAICS Code
54162 - Environmental Consulting Services
Founded
1996
Employees
201-500

Section iconFunding & Financials

  • $500M$1B

    RSI EnTech, LLC's revenue is estimated to be in the range of $500M$1B

Section iconFunding & Financials

  • $500M$1B

    RSI EnTech, LLC's revenue is estimated to be in the range of $500M$1B

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