Manufacturers Representative | Industrial Instrumentation

Our Company

ERNIEGRAVES, a 3rd generation manufacturers representative, has been specifying, supplying and supporting local industrial instrumentation since 1955.

Old-School Values,

New-School Techniques.™

With world-class brands, deep application expertise, broad industry experience, and an extensive local presence, ERNIEGRAVES is positioned to deliver trusted industrial flow, level, pressure, and temperature automation solutions. Our well-trained sales, engineering, service and warehouse professionals are committed to providing the highest levels of support and welcome the opportunity to meet all of your measurement and control needs.

When customers contact ERNIEGRAVES with an application requirement, they are contacting some of the finest technical experts around. Our team always views customer requests “from the same side of the table” as each customer: Owning the request until the requirement is properly matched with the best fit of technology, performance, price, and delivery. Equally, we frequently provide after-sale support and training to ensure that each piece of equipment is installed, used and maintained to it’s fullest potential.

Our Services

Professional Guidance: We have the experience and knowledge required to solve both simple and complex application challenges.
Training & Demonstration: Your place or ours. Just say the word…we”ll set it up. We have state of the art meeting rooms at our locations in Tulsa / Kansas City / Saint Louis that can comfortably accommodate teams of any size.
Start-up Assistance: We are always available to either turn a wrench or simply advise on procedures. The Ernie Graves Company team knows the products that we supply.
After Sale Support: We take great pride in providing high quality products. However, if a product or application problem arises, we will be around to help.

Our Team

Colby Graves

President / CEO

Regional Account Manager: Kansas | Iowa | Nebraska

In July 2012 Colby became the 3rd generation owner of ERNIEGRAVES after 15 years of working towards it. He and wife Sarah, both born and raised in Tulsa, are raising their 2 boys in Jenks. Colby studied Engineering Technologies & Electrical/Electronics at Oklahoma State University Institute of Technology.

Jonathan Gabel

Vice President

Regional Account Manager: Oklahoma | N.W. Texas

Born in Tulsa, Oklahoma. Jonathan earned his Bachelor’s degree in Business. He joined the ERNIEGRAVES team in 2009, and is currently the Vice President & West Regional Account Manager. In his spare time, Jonathan enjoys fishing, golfing, and spending time with family and friends.

Kat Cohen

Chief Financial Officer

Born in Tulsa, Oklahoma. Kat earned her Bachelor’s degree in Accounting and has over 12 years of experience, combined, in accounting and human resources. She joined the ERNIEGRAVES team in 2013. Kat loves spending time with her family, cooking, and cycling with friends and for charities.

J. Chris Johnston

Senior Buyer

Chris is a native of South Wales, UK, and a decorated veteran of the US Navy. He attended the Naval College Program. Chris enjoys Wales rugby, darts & photography. He and his family reside in South Tulsa.

Brady Barber

Regional Account Manager

Arkansas | N.E. Oklahoma | W. Missouri

Brady is an Arkansas native with 10+ years of sales experience. After meeting her husband Ben, while attending The University of Arkansas, they decided to make Tulsa home. Brady resides in Jenks, OK where she and Ben are raising their 3 children. In her free time she enjoys attending her kids sporting events, traveling and interior design.

Rick Wagner

Regional Account Manager

St. Louis | E. Missouri | S. Illinois

Rick has a BSEE from MS&T (University of Missouri -Rolla). A St. Louis Area native with a diverse background in process control instrumentation. He fills his spare time with friends and family while enjoying cooking, fishing, bowling and especially cycling.

It’s always great when a plan comes together, and we can accomplish something special. From the late Friday afternoon that I called David to get a quote (and he answered his cell phone as he was out of the office), to his answering my regular requests for updates, he has been professional and positive. David’s efforts on this are greatly appreciated! I’m hoping to keep him busier in 2019 🙂

– Pam Sewell, Parts Sales Specialist, John Zink Company LLC

“Colby is a great person to work with. We’ve been buying from his company for many years simply because of the attention to detail that comes with the relationship we’ve built with Ernie Graves Company.”

− Courtney Huston, Facility Integrity Engineer, Magellan Pipeline

“By far the best team I’ve worked with. They clearly understand ultrasonic flow measurement and how it relates to pipeline measurement. I would highly recommend Ernie Graves Company as a solutions provider, you simply won’t find a better team of local experts!”

− Darrell Stockton, Sr. Measurement Coordinator, Continental Resources

“Brooks Instrument enjoys a more-than 50 year business relationship with Ernie Graves Company. During the past 10 years, I’ve personally watched the complete transformation of Ernie Graves Company into a model, modern business-to-business manufacturer’s representative: heavily invested in market-leading products and extensive product and application training to provide exceptional service for local customers.”

− Scott Benson, Director of Sales, Americas, Brooks Instrument

“The people at Ernie Graves Company are very knowledgeable in their products inside and out. They are consistently able to provide great solutions to the measurement applications we come across.”

− Ashwin J., Lead Factility Engineer

“Jonathan went above and beyond for us when we had an issue with one of our ultrasonic flow meters. He drove out to our facility for trouble shooting on multiple occasions until we were fully operational.”

− John R., Sr. Pipeline Engineer

About Us

Our Company

Old-School Values,

New-School Techniques.™

Our Territory

Our Services

Our Team