List union trucking companies
International teamsters union should have the list and the locals too.
Go to www.BusinessBankruptcyLists.com. They have lists for all types of bankrupt companies, and they're very affordable.
yellow fright / ABF/ UPS?Lafarge
ALL of the US Freightways companies are unionised, and are also owned by the unionised Yellow-Roadway Corporation.
Yellow-Roadway Corporation, ABF Freight Systems, UPS, FedEx (excluding owner-operator divisions such as Custom Critical).