EX-21 4 eme-ex21_20211231xq4.htm LIST OF SIGNIFICANT SUBSIDIARIES
EXHIBIT 21

LIST OF SIGNIFICANT SUBSIDIARIES | JURISDICTION OF INCORPORATION
Dyn Specialty Contracting, Inc. | Virginia
MES Holdings Corporation | Delaware
EMCOR Construction Services, Inc. | Delaware
EMCOR International, Inc. | Delaware
EMCOR Mechanical/Electrical Services (East), Inc. | Delaware
EMCOR (UK) Limited | England
EMCOR Group (UK) plc | England
EMCOR Facilities Services, Inc. | Ohio
EMCOR-CSI Holding Co. | Delaware
FR X Ohmstede Acquisitions Co. | Delaware
RepconStrickland, Inc. | Delaware