Contact Us


JBLCo (John B. Long Co.)
1040 Dutch Valley Drive
Knoxville, TN 37918
Phone: (865)-522-8686
Fax: (865) 523-4996

President: Steve Campbell

Sales Contact:

Matt Campbell Director of Sales & Marketing
Bill Cleavenger Sales Representative (Western KY, IL, IN, MO)

Click here for all other areas in the U.S.
Click here for International sales

Parts Contact:

Mark McDaniel Parts Coordinator

Service Contact:

Larry Richardson Service Manager


Engineering Department

International Sales Contact:

JBLCo seeks to meet customer needs not only in the United States, but across the globe as well. This is evident in our International Activity.

JBLCo boasts installations in facilities throughout Canada, Europe, South America, and Peoples Republic of China. These systems vary in size and application, but the JBLCo quality is indicative in each one. With projects being pursued throughout the world, JBLCo seeks daily to expand our global vision.

JBLCo is positioned at the forefront of the worldwide sampling demand due to its commitment to innovation and leadership by design. Since the need for quality sampling is worldwide, so is our focus. Please contact at JBLCo’s facility in Knoxville, Tennessee.