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R.A. Ross & Associates is a full service distributor serving Kentucky, Indiana and Ohio for over 25 years.

Custom Packages

We specialize in Custom packages…



Gas Compressors

Complete Repair Service

Factory trained and authorized service and repair on all makes and models of pumps, blowers and gas compressors.

Thousands of Items In Stock

Thousands of items in stock in our Louisville warehouse.

Award-winning Customer Service

R.A. Ross & Associates has been recognized many times over the past 25 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!

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Welcome to R.A. Ross and Associates, Inc.

We’re growing!

Introducing two new members of our team...

william yarberPlease welcome William Yarber to our inside sales team.

William is joining us following nearly 14 years in the health care industry with Passport Health Plan and Evolent Health.
Prior, William worked for the Cabinet of Economic Development for the state of KY and as a loan processing branch and marketing manager.
William attended Mayfield High School and U of L.

At University of Louisville, William received his bachelors in Psychology with a minor in Business Administration. He also completed courses and was just short of his master’s degree in higher education administration.

William and his wife Colleen have three children and live in Simpsonville, KY. Feel comfortable to discuss any aspect of Simpsonville, KY. Feel comfortable to discuss any aspect of sports with William as he is an avid fan.

William’s email address is This e-mail address is being protected from spambots. You need JavaScript enabled to view it. .

And, please welcome Zachary (Zach) Hornschemeier (you can just call him Zach:) to our employment as outside sales specialist. Zach will be handling southern Ohio (Columbus and south) and West Virginia. Outside sales specialist Dave Lunn will be working closely

with Zach to cover the territory for all our product lines. Zach will be specializing in blowers and vacuum pumps; filtration products; and non-metallic polyethylene storage tanks.zachery hornschemeier 082016

Zach joins us following 4 years with Fischer Process Industries based in Loveland Ohio. Zach brings his technical knowledge of pumps and other process equipment learned as an inside application engineer. He also was instrumental in Fischer’s launch of its internet store.

Enjoying sports and growing up in the Cincinnati area, Zach pitched at University of Cincinnati Clermont while attending college at UC. Now he and his wife enjoy camping and going to watch NASCAR races.

Fun fact: his friends used to call him the “weather man” while he was growing up as he thought about being a meteorologist as a child.

He and his wife Katherine live in Amelia, Ohio and Zach works from our new office located at 233 East Main St, Suite 6, Batavia, OH 45103. Contact Zach at This e-mail address is being protected from spambots. You need JavaScript enabled to view it. ; 513-685-3942 Office and Cell Phone; 513-685-6447 Fax or 800-489-8677 Toll-Free.

Introducing Tuthill's new CP Blowers with 18 PSI ratings!
(Highest rating in the light-duty blower arena.)


Tuthill blowers and vacuum boosters offer flows to over 10,000 CFM and differential pressures to 20 psig (17 in. Hg vacuum).*

(That's engineer speak for "We've got you covered.")

When it comes to blowers, it doesn't get any better than Tuthill. Tuthill MD-Pneumatics blowers and vacuum boosters are high-performance, reliable and engineered systems designed for ready installation.

  • CP models rated to 18 PSIGtuthill-blowers
  • Quieter operation
  • Better gearing for longer life
  • Sight glasses available on all CP Models
  • Magnetic drain plugs
  • Longer seal life
  • Drop-in replacements for:
  • Gardner-Denver Sutorbilt Legend
  • Roots URAI
  • Ultra quick delivery (we stock many models)

(Not all features apply to all models).

*Vacuum boosters develop extremely high vacuum levels to the micron range.

Be sure and check out our line of blowers and applications!

Why R. A. Ross?

  • Engineer based company
  • Continuing factory education
  • Knowledge
  • Team-based approach
  • Ultra-fast response policy
  • New equipment
  • Rebuilt equipment
  • Repairs
  • Parts/parts kits
  • Custom built solutions


For exact model and size information, click here for FREE Tuthill Kinney VBXpert sizing software.

How to take control of what you pump

Here is a product that will let you completely control what you process! The ARO Controller and electronic interface pumps allow you to set precise fluid amounts, then push a button and step away and let ARO take control. Set it and forget it!

  • Set control and walk away
  • Precision fluid management
  • Operates in hazardous environments

“With the ARO controller my spillage has gone down, and the time it takes to fill a container has lowered”

Greg Blanchard
Owner, Pro Chem Cleaning Systems

Click below to watch a video of how the ARO controller has helped Pro Chem Cleaning Systems solve overfill and underfill problems.

Perfect for:

  • Paints aro-pump
  • Detergents
  • Chemicals 
  • Coatings
  • Ink 
  • Water/wastewater

The ARO Electronic Interface Pump is an air-operated diaphragm pump that provide accurate, electronically controlled dosing.

  • Configurable for use with the ARO Controller
  • Built-in solenoid control seamlessly integrates with other electronic components
  • Internal cycle counter and end-of-stroke pressure signals track end-of- stroke feedback and pump data
  • Leak detection option detects diaphragm failure to help reduce costly production downtime
  • Factory-installed cycle counter and leak detection kits
  • Five-year warranty

More Articles...



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Custom Packages

Custom mechanical seal arrangements

Custom Mechanical Seal Arrangements

Refrigerated Gas Recovery Packages


Blower Packages


Pump Packages



2231A Ampere Drive
Louisville, Kentucky 40299
(502) 267-8677 | (800) 489-8677
(502) 266-7928 Fax


501 S. Ninth Street
Suite #102
Noblesville, Indiana 46060
(800) 489-8677 (Toll-free)
(502) 266-7928 Fax

Falling Waters

102 Left Street
Falling Waters WV
(800) 489-8677 (Toll-free)
(502) 266-7928 Fax


3375 Trace Creek Rd.
Mayfield, Kentucky 42066
(800) 489-8677 (Toll-free)
(502) 266-7928 Fax

Batavia (Cincinnati)

233 E. Main Street, Suite 6
Batavia, OH 45103
800 489-8677 Toll Free

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