Facebook Linkedin

About Control Specialists

Control Specialists, a Relevant Industrial company, has been dedicated since 1983 to keeping our customers’ processes up and running by delivering reliable, high-quality products and services. Since joining Relevant Industrial in December 2024, we’ve expanded our capabilities and strengthened our commitment to providing innovative solutions across various industries.

We strive to offer quality products at affordable prices, backed by a knowledgeable and experienced team. Our staff is dedicated to assisting you in selecting or specifying the right equipment for your specific applications. In addition to product sales, our service department provides on-site and in-house services such as calibrations, NFPA combustion safety checks, burner tuning, troubleshooting, and Start-up/commissioning. We utilize NIST-certified or traceable equipment to meet the requirements of numerous industry standards, including AMS2750D, ASM, and ASTM.

Control Specialist is recognized as one of the leading suppliers and distributors of Process Instrumentation Control, Burner/Boiler Flame Safeguard Controls, and HVAC/Building Controls.

Headquartered in Evansville, Indiana, our strategic location allows us to provide excellent service coverage. With a well-stocked inventory of high-quality products, we offer fast and reliable support to meet our customers’ needs. Our highly skilled sales team is always at the forefront of the ever-evolving industry to ensure you get the best solutions available.
 
Contact Our Experts Today

Our Commitment to Excellence

At Control Specialists, we believe that our success comes from more than just providing high-quality products — it’s about delivering unmatched service, building lasting partnerships, and helping our customers achieve their goals. Our core belief is simple: we succeed when our customers succeed.

Learn About Our Products & Services

Our Values:

Reputation & Results

We are known for delivering results. Committed to seeing every project through, we go the extra mile to ensure success. Our passion drives us to create outstanding customer experiences.

Teamwork

Trust, respect, and collaboration are the foundation of Relevant. We communicate openly and often because we know that together, we achieve more.

Be Responsible

We own our actions and their impact. From our customers to our company, the environment, and each other—we act with care to ensure a safe and sustainable future.

Seize Opportunities

No matter the industry or challenge, we embrace every opportunity for growth and continuous improvement.

Enjoy the Ride

We believe in working hard and having fun along the way. We celebrate wins and value the connections we build together.

A Relevant Company

Contact Us

Our Company Profile

Awards We Have Received

CSI has received awards from various vendors for both sales and customer satisfaction.

CSI has been recognized with:

Honeywell Gold Channel Partner 2024
Honeywell Platinum Channel Partner 2023
Honeywell Platinum Channel Partner 2022
Honeywell Platinum Channel Partner 2019
Fireye 2019 Sales Excellence
Fireye 2018 Sales Excellence

Why Choose Control Specialists

CSI is recognized as the premier innovator in UL Panel and industrial process control solutions. Our experienced team provides expertise across multiple critical areas to ensure you receive reliable, high-quality support.

Key areas of our expertise include:

Burner Management Systems
System Integration
Process Instrumentation
HVAC / Building Control Systems
Engineered Solutions
UL508A Panel Shop
Fabrication Shop
Full On-Site Service Department

Can’t find what you are looking for or need additional help?
Contact our Control Specialists Team at (812) 425-9249

CSI_Logo_Rel_WHITE

Control Specialists LLC, now part of Relevant Industrial, is a trusted leader in combustion and controls systems since 1983. Headquartered in Evansville, Indiana, our strategic location allows us to provide excellent service coverage to our great customers. We provide parts, technical services and turn-key system integration packages that help ensure all of our customers stay up and running while meeting industry standards. Our knowledgeable team members allow Control Specialists LLC to be a one stop shop for all your industrial & control loop needs.

Learn About Relevant Industrial
Click To Shop Relevant

Evansville, IN Location

Directions
Control Specialists Evansville Office

Calvert City, KY Location

Directions
Control Specialists Calvert City, KY Office