In all fairness, when you mentioned corporate colors, I immediately thought of 3 of the companies on that list (Home Depot, John Deere, and UPS). And I can also

In all fairness, when you mentioned corporate colors, I immediately thought of 3 of the companies on that list (Home Depot, John Deere, and UPS). And I can also see how using Texas and Burnt Orange together could be an issue. Caterpillar is also fairly distinctive, and I don't think it's unreasonable to for them to attempt to limit competitors' production of yellow construction equipment.