Flow control experience makes the difference.
Providing steam specialties, process control instrumentation, HVAC, and plumbing systems, products and services for over 90 years.
At RL Stone Company, Inc., we do far more than simply supply the energy-efficient components you need to keep your systems running. Our highly-trained and experienced personnel offer solutions to help specify, install, service and maintain your equipment. In industrial, commercial and municipal industries – where accuracy is everything – we make it our business to assure your processes run safely and efficiently.

WE KNOW PROCESS CONTROL INSTRUMENTATION.
Our application engineers can deliver expert process instrumentation solutions for mechanical, electrical, instrumentation, valve, pump and steam specialties. The combination of experienced staff and access to the finest quality equipment enables us to provide solutions and a wide array of services to the industrial, commercial and municipal marketplaces.

WE SPECIALIZE IN ALL THINGS HVAC.
Faced with a challenging project? Our team of experts can engineer an applications solution based on the specifications you provide to improve your industrial HVAC system design and efficiency.
- Air handlers
- Hot water boilers and heaters
- Pre-insulated underground piping
- Liquid and gas BTU and flow meters
- Expansion loops and isolators
- Building and booster pumps