What departments does RSI have?

RSI has employees across 11 departments including Marketing, Manufacturing, Operations, Research, Administrative.

What is the largest department at RSI?

The largest department at RSI is Marketing with 2 employees.

Where are RSI employees located globally?

RSI has employees across 5 continents and 6 countries including Egypt, Thailand, India, Armenia, United States Of America.

How has RSI's team size changed over time?

RSI's team has grown from approximately 386 to 414 employees based on available data.

RSI Employee Directory

Environmental ServicesTennessee, United States501-1000 Employees

RSI is an environmental services firm based in Oak Ridge, Tennessee, operating as the AIS Environmental and Nuclear business line. It serves clients across environmental, nuclear, energy, construction, and project delivery sectors, providing planning and execution support for complex initiatives. With almost 30 years of experience, RSI has partnered with federal agencies and private industry to plan and execute projects that prioritize safety and performance. The organization emphasizes its workforce and its status as a Small Disadvantaged Business with 8(a) advantages.

Based in Oak Ridge, RSI focuses on assisting public and private sector projects in environmental and nuclear contexts, prioritizing safe, compliant project delivery. More information is available at rsienv.com.

RSI Global Highlights

North America
446

United States Of America
446

Asia
2

Thailand
1
India
1

Africa
1

Egypt
1

Europe
1

Armenia
1

South America
1

Colombia
1

RSI's Leadership

W. G.
Chief Executive Officer
Mobile Phone
Email
I. M.
Vice President/General Manager
Mobile Phone
Email
S. K.
Vp, Strategy And Growth
Mobile Phone
Email
T. K.
Document Production Manager/Cam
Mobile Phone
Email
L. W.
Rocky Flats Surface Water Field Lead
Mobile Phone
Email
A. A.
Field Integration Lead
Mobile Phone
Email
M. F.
Umtrca Site Lead
Mobile Phone
Email
D. W.
Technician Ii
Mobile Phone
Email

RSI Employee Metrics

100%

50%

0%

2026

2025

Administrative
Program & Project Management
Biotechnology
Human Resources
Healthcare Services
Other

Contact profiles from RSI

Name

Title

Contact

Location

Last Update

W. G.
Chief Executive Officer
Mobile Phone
Email
Oct 17, 2024
I. M.
Vice President/General Manager
Mobile Phone
Email
Sep 03, 2026
S. K.
Vp, Strategy And Growth
Mobile Phone
Email
Oct 05, 2026
T. K.
Document Production Manager/Cam
Mobile Phone
Email
Oct 17, 2024
L. W.
Rocky Flats Surface Water Field Lead
Mobile Phone
Email
Dec 31, 2025
A. A.
Field Integration Lead
Mobile Phone
Email
Jun 26, 2026
M. F.
Umtrca Site Lead
Mobile Phone
Email
Dec 30, 2025
D. W.
Technician Ii
Mobile Phone
Email
Sep 03, 2026
C. B.
Site Operations Field Lead
Mobile Phone
Email
Sep 04, 2026
B. H.
Engineer And Scientist Ii
Mobile Phone
Email
Apr 23, 2025

Frequently Asked Questions

What is RSI known for?

RSI was founded in 1996 and operates in the Environmental Services industry. Explore RSI's company overview page for more information.

What is RSI's most common email format?

RSI employees' email format typically follows the pattern of FLast@rsienv.com. Trying to find reliable and up-to-date employee contact data? Find more RSI email formats with LeadIQ.

How many employees does RSI have currently?

RSI has approximately 538 employees as of October 2026. These team members are located across 5 continents, including North America, Asia and Africa.

Who are RSI's key employees and leadership?

As of October 2026, RSI's key employees include:

Chief Executive Officer: W. G.
Vice President/General Manager: I. M.
Vp, Strategy And Growth: S. K.
Document Production Manager/Cam: T. K.
Rocky Flats Surface Water Field Lead: L. W.

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RSI Employee Directory

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