 BLOOMFIELD HILLS, Mich.--BUSINESS WIRE--TriMas NASDAQ: TRS announced today that it will host its first quarter 2021 earnings conference call on Thursday, April 29, 2021. The conference call will begin at 10 a.m. Eastern Time and will follow the Companys release of first quarter 2021 earnings results at 8 a.m. that day. To participate on the earnings conference call, please dial: 866 248-8441 Confirmation Code 7033534 and ask to be connected to the TriMas first quarter 2021 earnings con 