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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                   FORM 8-K/A


                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(D) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


         DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED) MARCH 13, 2002


                                EMCOR GROUP, INC.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)



            DELAWARE                      0-2315                 11-2125338
(STATE OR OTHER JURISDICTION OF      (COMMISSION FILE          (IRS EMPLOYER
         INCORPORATION)                   NUMBER)            IDENTIFICATION NO.)



                     101 MERRITT SEVEN
                        NORWALK, CT                             06851
         (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)            (ZIP CODE)



       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (203) 849-7800

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ITEM 2.  ACQUISITION OR DISPOSITION OF ASSETS.

     On March 1, 2002,  EMCOR-CSI  Holding  Co., a  Delaware  corporation  and a
wholly-owned  subsidiary of EMCOR Group, Inc., a Delaware corporation,  acquired
from  Comfort  Systems  USA,  Inc., a Delaware  corporation,  all the  ownership
interests  in  CSUSA  Holdings,   LLC,  a  Delaware  limited  liability  company
("Comfort"). Comfort owns all the capital stock of and ownership interests in 19
entities.  (Such entities and Comfort are collectively referred to herein as the
"Comfort Systems Subsidiaries").  This Form 8-K/A is being filed for the purpose
of  providing  the  required  pro forma  financial  information  and the audited
combined financial  statements for the Comfort Systems Subsidiaries for the year
ended December 31, 2001.


ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS.

(A) FINANCIAL STATEMENTS OF BUSINESSES ACQUIRED.

     The audited combined  financial  statements for the year ended December 31,
2001,  for the Comfort  Systems  Subsidiaries,  including the related  auditors'
report, are included as Exhibit 99.2.

(B) PRO FORMA FINANCIAL INFORMATION.

     The required unaudited pro forma condensed combined financial  information,
which reflects the acquisition of the Comfort Systems Subsidiaries, are included
as Exhibit 99.3 hereto.

(C)  EXHIBITS.

     2.1 Purchase Agreement, dated as of February 11, 2002, by and among Comfort
Systems USA, Inc. and EMCOR-CSI Holding Co., a wholly-owned  subsidiary of EMCOR
Group,  Inc.  ("EMCOR")  (filed as Exhibit 2.1 to EMCOR's Current Report on Form
8-K, dated as of February 14, 2002 and incorporated herein by reference.)

     23  Consent of Arthur Andersen LLP

     99.1 Press  Release  dated March 4, 2002 (filed as Exhibit  99.1 to EMCOR's
Current Report on Form 8-K, dated as of March 13, 2002 and  incorporated  herein
by reference).

     99.2 The audited combined financial  statements for the year ended December
31, 2001 for the Comfort Systems  Subsidiaries,  including the related auditors'
report.

     99.3 Unaudited pro forma condensed  combined financial  information,  which
reflects the acquisition of the Comfort Systems Subsidiaries.




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                                    SIGNATURE


     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned, hereunto duly authorized.


                                                   EMCOR GROUP, INC.


Dated: May 13, 2002                                By: /s/ Mark A. Pompa
                                                   --------------------------
                                                   Name: Mark A. Pompa
                                                   Title: Vice President
                                                          and Controller
                                                          (Principal Accounting
                                                          Officer)




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                                  EXHIBIT INDEX


EXHIBIT  DESCRIPTION
-------  -----------

2.1      Purchase Agreement, dated as of February 11, 2002, by and among Comfort
         Systems USA, Inc. and EMCOR-CSI Holding Co., a wholly-owned  subsidiary
         of EMCOR Group, Inc. ("EMCOR") (filed as Exhibit 2.1 to EMCOR's Current
         Report on Form 8-K,  dated as of  February  14,  2002 and  incorporated
         herein by reference.)

23       Consent of Arthur Andersen LLP

99.1     Press  Release  dated March 4, 2002  (filed as Exhibit  99.1 to EMCOR's
         Current Report on Form 8-K, dated as of March 13, 2002 and incorporated
         herein by reference.)

99.2     The audited combinbed financial  statements for the year ended December
         31, 2001 for the Comfort  Systems  Subsidiaries,  including the related
         auditors' report.

99.3     Unaudited pro forma condensed  combined  financial  information,  which
         reflects   the   acquisition   of  certain  of  the   Comfort   Systems
         Subsidiaries.




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