Tropical Express Equestrian LLC has exhibited gross negligence by failing to fulfill their contractual obligations for transporting refrigerated freight at contracted temperature, leading to a significant claim. Despite multiple attempts to resolve the issue, the company has refused to compensate for the damages, showing a disregard for customer concerns and service quality. This negligence has caused significant financial loss, and caution is advised when considering their services. As a result, Tropical Express Equestrian LLC has been designated as a "Do Not Use" carrier.