EX-21 4 eme-ex21_20201231xq4.htm LIST OF SIGNIFICANT SUBSIDIARIES Document

EXHIBIT 21
LIST OF SIGNIFICANT SUBSIDIARIES
JURISDICTION OF INCORPORATION
Dyn Specialty Contracting, Inc.
Virginia
MES Holdings CorporationDelaware
EMCOR Construction Services, Inc.Delaware
EMCOR International, Inc.Delaware
EMCOR Mechanical/Electrical Services (East), Inc.Delaware
EMCOR (UK) LimitedEngland
EMCOR Group (UK) plcEngland
EMCOR Facilities Services, Inc.Ohio
EMCOR-CSI Holding Co.Delaware
FR X Ohmstede Acquisitions Co.Delaware
RepconStrickland, Inc.Delaware