EX-21 2 eme-ex21_20221231xq4.htm LIST OF SIGNIFICANT SUBSIDIARIES Document

EXHIBIT 21
LIST OF SIGNIFICANT SUBSIDIARIES
JURISDICTION OF INCORPORATION
Dynalectric CompanyDelaware
Dyn Specialty Contracting, Inc.Virginia
EMCOR Building Services, Inc.Delaware
EMCOR Construction Services, Inc.Delaware
EMCOR-CSI Holding Co.Delaware
EMCOR Mechanical Services, Inc.Delaware
MES Holdings CorporationDelaware
Shambaugh & Son, L.P.Texas