R.A. ROSS
Welcome!
Thank you for visiting raross.com! R. A. Ross & Associates, Inc. is a full service distributor serving Kentucky, Indiana, Michigan, Ohio and West Virginia for over 30 years.
AWARD WINNING
Customer Service
R. A. Ross & Associates, Inc. has been recognized many times over the past 30 years by the companies we represent for providing outstanding customer service to our mutual customer base. Give us a call and we will show you why.
COMPLETE
Repair Service
Factory trained and authorized service and repair on all makes and models of pumps, blowers and gas compressors.
CUSTOM
Packages
We specialize in Custom packages… Pumps, Blowers, Gas Compressors
ONLINE
Ordering
We’ll be adding the ability to shop online soon!
Products We Carry
When NOT to use a pump for liquid transfer.
A case study in how to transfer liquified gases (propylene, in this application) using the vapor itself.
Read the article
Take a look at our product line cards!
View our municipal line card 
Got Questions?
Call 1-800-489-8677
NEW PRODUCTS FROM R. A. ROSS
Why we added Summit Pumps to our already great line of products.
To become a part of our product line, a product and manufacturer has to meet certain standards. After all, our company’s reputation rests not only on our team, our knowledge and service, but on the products we represent. QUALITY An OEM with a formal Quality Assurance...
The R. A. Ross & Associates Story
ESTABLISHED
YEARS EXPERIENCE
LOCATIONS
EMPLOYEES
“Without pumps, our business shuts down. Pumps are vital to our production line. We pump a chemical that, in the past, would eat up a pump diaphragm. Our Ross associate recommended Aro pumps with stainless steel bodies and a diaphragm designed to withstand the chemicals we use. We manufacture over 250,000 fluorescent lights per year. Ross was a huge help in keeping our plant up and running 24/7. These people know their business.”
OUR RECENT ARTICLES
An Easy Open and Shut Case…
Open or Closed Tanks and the Effect on NPSHA Calculations When working through NPSHA calculations for pump applications we need to know if the suction supply tank is open to the atmosphere or not. If it is an open tank the calculation is easy; as we just convert the...
Why Are There Holes in My New Impeller? Part 1
Common Pumping Mistakes by Jim Elsey 08/12/2020 Ever wonder why some impellers, all sparkly fresh and new from the factory, have holes in them, or why some impellers have those funny mini-vanes on the back side? The short answer is to reduce axial thrust,...
What’s the speed limit?
How fast was I going officer? Speed is a critical limit for any pump, but even more so for Positive Displacement (PD) pumps. The maximum allowable speed of a PD pump is determined by several factors including the viscosity and temperature of the pumpage. Other...
Louisville
HEADQUARTERS
2231-A Ampere Drive
Louisville, Kentucky 40299
(502) 267-8677 | (800) 489-8677
(502) 266-7928 Fax
OUR OTHER LOCATIONS
NOBLESVILLE
FALLING WATERS
MAYFIELD
3375 Trace Creek Rd.
Mayfield, Kentucky 42066
(800) 489-8677 (Toll-free)
(502) 266-7928 Fax
LANCASTER
117 West Main Street
Room 110D
Lancaster, OH 43130
(800) 489-8677 (Toll-free)
(502) 266-7928 Fax
SANFORD
4239 N Francis Shores Rd
Sanford, MI 48657
(989) 615-5552 (Direct)
(800) 489-8677 (Toll-free)
(502) 266-7928 Fax