Six Decades of Experience
Superior Customer Service
Trust Through Transparency. No Hidden Costs.

Our team has the experience to keep your operation working smoothly and reliably.
Auditing, automation & controls, instrumentation, oil-flooded & oil-free rotary screw compressor technology, nitrogen generators, and more, guaranteed to help your system operate smoothly.
Stop paying for costly downtime.
Properly installed air compressors give you the air system you need when you need it.
Peace of Mind maintenance from an authorized distributor allows your factory to stay productive.
Our Service Team Provides
Contact us today for a free consultation to discuss your specific needs.
Avoid Unexpected Downtime and Expensive Emergency Service
AirShield solves the biggest headaches for plant operators by preventing costly downtime, eliminating surprise maintenance costs, and ensuring fast, 24/7 support when issues arise. It keeps your equipment under warranty, customizes service to your plant’s needs, and uses remote monitoring to catch problems early—saving time, money, and stress.

Your Partner for Compressor Assistance - Compressed Air Equipment Provider for North & South Carolina
With more than six decades of industry experience, Engineering Sales Associates is a recognized leader in providing the best industrial air compressor solutions to our customers. We are available around the clock to help resolve problems promptly, and we offer both remote diagnostics and field service as needed. Our mission is to get your equipment working optimally, providing reliable compressed air performance you can count on.

What Our Clients Say

Everybody at ESA collaborated as a team and got us going again. When you bark up the ladder, it gets to everyone at the company. When things have felt like the ball has been dropped- A TEAM came in to support us. Not one person- a TEAM!!!
Edward at Silver-Line Plastics


Their techs are friendly, Customer Support is good, and they are quick to respond to any outage. ESA’s ability to troubleshoot and get up here quickly really helps them get our business.
DANIEL AT STURM & RUGER CO. INC.
Get the Support You Need


Contact Us Anytime
We're available 24/7, and one of our service technicians will be available to talk with you the same day.


Get Remote Rescue
We can diagnose your air compressor issues over the phone or via video, potentially walking you through maintenance or repairs right away.


Schedule a Service
If we can't fix the compressor issue remotely, we'll send a trained tech directly to your business to diagnose your issues.


Develop a Plan
Based on your facility needs, we'll design a plan to get your complete line up and running optimally while keeping things as energy efficient and affordable as possible.
We're Here to Help
Since 1961, ESA's industrial air compressor air services experts have provided customers in the Carolinas and surrounding regions with expert assistance and, more importantly, customized solutions. Whether you need air compressor maintenance, a short-term rental, or new air equipment, we're here to help.
Air Compressor Services
At ESA, we offer a range of solutions when it comes to industrial air compressors and air equipment, including turn-key installations, custom installations, air end rebuilds, cooler flushes, motor repair, and more.
Air Compressor Equipment & Parts
ESA is an exclusive distributor of Gardner Denver air equipment and replacement parts, but we also offer Aircel, BEKO, Deltech, and Atlas Copco, along with many more high-performance air compressor manufacturers and major brands.
Air Compressor Rentals
Whether you need equipment for a day or a month, we've got you covered. ESA has fast, on-demand air rental solutions for all your needs.
Our Range of Product Offerings

We work with various models of Compressors, including Oil flooded, Oil Free, High Pressure, Reciprocating, Rotary Screw Compressors, Piston Compressors, and more.

Air Treatment Products
Our team has expertise with Compressed Air Dryers, Filters, Vacuum Systems, Industrial Blowers, and more to ensure proper air quality.

Particulate removal from fluid flow applications. Filter Bags, Cartridges, Strainers, and Mechanical Filtration.

Additional Services
We provide more than air equipment. We also provide solutions – rentals, audits, and surveys.
Frequently Asked Questions
Don’t see your question? Reach out to one of our compressed air experts for the answers.
Q: Who Works On Industrial Air Compressors Near Charlotte, NC?
A: Engineering Sales Associates provides expert service and repair for industrial air compressors throughout the Charlotte, NC area. Our skilled technicians service and repair all major brands and models, offering everything from preventive maintenance and troubleshooting to emergency repairs and complete rebuilds. Whether you need scheduled service or emergency repairs, ESA helps keep your compressed air system running efficiently to minimize downtime and maintain productivity. Learn more about our industrial air compressor services.
Q: How Do You Maintain an Industrial Air Compressor?
A: The best way to extend the life of your industrial air compressor is with consistent preventative maintenance. That means inspecting your equipment regularly, looking and listening for leaks, and fixing issues as they are discovered so they don’t go on to create bigger problems. Performing proper maintenance will help ensure that your system operates efficiently and minimize unscheduled downtime. Read a detailed list of industrial air compressor maintenance tips and best practices.
Q: How Do Industrial Air Compressors Work?
A: Industrial air compressors operate by drawing in atmospheric air, compressing it to a higher pressure, and storing it in a tank or delivering it directly to the point of use. This compressed air can then power pneumatic tools, operate machinery, or support manufacturing processes. There are several types of compressors, such as rotary screw, piston, and centrifugal, that work slightly differently depending on the application. Learn more about how industrial air compressors work.
Q: What Are Industrial Air Compressors Used For?
A: Industrial air compressors are used across many industries to power tools, automate production lines, operate machinery, and manage material handling systems. In manufacturing, they might run assembly equipment; in automotive shops, they power impact wrenches and paint sprayers; and in construction, they operate jackhammers and nail guns. Read more examples of applications and industries using air compressors.
Q: Can You Rent an Industrial Air Compressor?
A: Industrial air compressor rentals are a common and practical solution for manufacturing facilities, processing plants, construction sites, and special event operations that need reliable compressed, quickly and without the long-term capital investment.
ESA offers a fleet of trailer-mounted, electric industrial air compressors ready for immediate rental. Whether you need short-term backup power or a longer-term compressed air solution, ESA provides dependable equipment designed to keep your operation running smoothly.

ESA Supports theHeartbeat of Your Production
Our mission as a veteran-owned compressed air and fluid flow service provider is to support the heartbeat of your production.
Your requirements drive our solutions to ensure your production needs are always met.























