Teamsters leadership did not officially endorse him. Endorsement comes with monetary donation. Neither candidate will get any donation from the Teamsters as an organization.
However, the Teamsters is a worker's union. The "leadership" are not Teamsters. They do not pay union dues. The workers who pay union dues are the Teamsters and the people voted to endorse Trump. So, on a realistic level The Teamsters do endorse Trump. Their leadership that they pay to support their will have chosen to not endorse him.
Teamsters leadership did not officially endorse him. Endorsement comes with monetary donation. Neither candidate will get any donation from the Teamsters as an organization.
However, the Teamsters is a worker's union. The "leadership" are not Teamsters. They do not pay union dues. The workers who pay union dues are the Teamsters and the people voted to endorse Trump. So, on a realistic level The Teamsters do endorse Trump. Their leadership that they pay to support their will have chosen to not endorse him.