Proto Machine Works is seen as one of Arnold Machine's biggest rivals. Proto Machine Works is headquartered in Huntsville, Alabama, and was founded in 2011. Like Arnold Machine, Proto Machine Works also works within the Industrial Suppliers sector. Proto Machine Works generates 117% the revenue of Arnold Machine.
Schoonover Industries is seen as one of Arnold Machine's top competitors. Schoonover Industries was founded in undefined, and its headquarters is in Ashland, Ohio. Schoonover Industries operates in the Diversified Metals & Mining industry. Schoonover Industries has 109 more employees than Arnold Machine.