Fieldens OTR Ltd, founded in the early 1980s, is an independent provider of custom tires and wheels for agricultural and industrial use.  The company, based near Stowmarket in Suffolk, services customers throughout the UK with goods ranging from huge agricultural tractor wheels to smaller trailer wheels.

They manufacture high-quality wheels in-house and work with renowned brands like Pronar, OTR, Jantsa, Tej, and GKN to provide customized solutions. Fieldens OTR also offers Polycoat Tyrefill, a tyre-filling solution intended to improve tyre durability and reduce punctures.