 LOS ANGELES--BUSINESS WIRE--Limbach Holdings, Inc. NASDAQ: LMB Limbach today announced that it will be presenting at the 13th annual LD Micro Main Event investor conference on Monday, December 14th at 9:20 AM PST 12:20 PM EST. Executive Vice President Matt Katz will be presenting to a live, virtual audience. Register here: ve.mysequire.com The Main Event will feature a new and unique format, with companies presenting for 10 minutes, followed by 10 minutes of QA from a panel of i 