 PITTSBURGH--BUSINESS WIRE--Limbach Holdings, Inc. Nasdaq: LMB Limbach or the Company, a provider of building infrastructure services, with an expertise in the design, installation and maintenance of HVAC and mechanical, electrical and plumbing systems for a diversified group of commercial and institutional building owners, today announced that it has entered into new credit agreements the Credit Facilities led by Wintrust Financial Corporation Wintrust, together with a syndica 