 PITTSBURGH--BUSINESS WIRE--Limbach Holdings, Inc. NASDAQ: LMB Limbach or the Company announced today the appointment of Linda G. Alvarado to the Companys Board of Directors, effective as of August 26, 2021. Ms. Alvarado brings a wealth of experience in the construction industry, most notably as a founder, President and Chief Executive Officer of Alvarado Construction, Inc., a commercial general contractor, development, designbuild, and construction management company in the United S 