Serving the Inland Empire Since 1936
A family-owned dealership built on hard work, reliability, and a commitment to keeping our customers moving.
A Legacy Built on Equipment, Service, and Trust
Glenn B. Dorning, Inc. has been serving the Ontario community and the greater Inland Empire since 1936. What started as a small operation has grown into one of the region’s most trusted equipment dealerships.
We’ve built our reputation by focusing on what matters most—providing dependable equipment, knowledgeable support, and service our customers can rely on.
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Today, we continue that same commitment by helping contractors, property owners, and businesses find the right equipment and keep it running.
Authorized Dealer. Proven Experience.
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Authorized Kubota Dealer
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Full-line Wacker Neuson Dealer
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Carrying brands like Land Pride, Gearmore, and more
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Serving Ontario and the Inland Empire for nearly 90 years
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Experienced service technicians and knowledgeable staff
What We Help You Do
Find the Right Equipment
From compact tractors to construction equipment, we help you choose what fits your needs.
Keep It Running
Our service department is equipped to handle maintenance and repairs to minimize downtime.
Get Parts Fast
We carry a large inventory of OEM parts so you can get back to work quickly.
Proud to Be Part of the Ontario Community
See how Glenn B. Dorning, Inc. has been serving the community and supporting local businesses.
Conveniently Located in Ontario, CA
We are located on Holt Boulevard in Ontario, just north of the Ontario Airport and easily accessible from the I-10 freeway.