FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * MACINNIS FRANK T   2. Issuer Name and Ticker or Trading Symbol EMCOR GROUP INC [EME] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman & CEO (Last) (First) (Middle) 301 MERRITT SEVEN 3. Date of Earliest Transaction (Month/Day/Year) 09/19/2007 (Street) NORWALK, CT 06851 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 09/19/2007   M   74,000 A $ 4.938 530,366 D   Common Stock 09/19/2007   S   2,600 D $ 32.12 527,766 D   Common Stock 09/19/2007   S   200 D $ 32.16 527,566 D   Common Stock 09/19/2007   S   200 D $ 32.2 527,366 D   Common Stock 09/19/2007   S   100 D $ 32.27 527,266 D   Common Stock 09/19/2007   S   1,100 D $ 32.47 526,166 D   Common Stock 09/19/2007   S   300 D $ 32.5 525,866 D   Common Stock 09/19/2007   S   100 D $ 32.52 525,766 D   Common Stock 09/19/2007   S   1,100 D $ 32.57 524,666 D   Common Stock 09/19/2007   S   100 D $ 32.64 524,566 D   Common Stock 09/19/2007   S   200 D $ 32.68 524,366 D   Common Stock 09/19/2007   S   6,830 D $ 32.75 517,536 D   Common Stock 09/19/2007   S   1,900 D $ 32.82 515,636 D   Common Stock 09/19/2007   S   200 D $ 32.83 515,436 D   Common Stock 09/19/2007   S   200 D $ 32.84 515,236 D   Common Stock 09/19/2007   S   1,770 D $ 32.85 513,466 D   Common Stock 09/19/2007   S   100 D $ 32.86 513,366 D   Common Stock 09/19/2007   S   200 D $ 32.87 513,166 D   Common Stock 09/19/2007   S   3,300 D $ 32.88 509,866 D   Common Stock 09/12/2007   S   400 D $ 32.89 509,466 D   Common Stock 09/19/2007   S   2,600 D $ 32.9 506,866 D   Common Stock 09/19/2007   S   100 D $ 32.91 506,766 D   Common Stock 09/19/2007   S   200 D $ 32.92 506,566 D   Common Stock 09/19/2007   S   100 D $ 32.93 506,466 D   Common Stock 09/19/2007   S   900 D $ 32.94 505,566 D   Common Stock 09/19/2007   S   2,600 D $ 32.95 502,966 D   Common Stock 09/19/2007   S   1,000 D $ 32.96 501,966 D   Common Stock 09/19/2007   S   300 D $ 32.97 501,666 D   Common Stock 09/19/2007   S   3,100 D $ 32.98 498,566 D   Common Stock 09/19/2007   S   100 D $ 32.99 498,466 (1) (2) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Non-Employee Stock Option (right to buy)

$ 4.938

09/19/2007

M

74,000

(3)

11/20/2007

Common Stock

74,000

$ 0

318,500

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MACINNIS FRANK T 301 MERRITT SEVEN NORWALK, CT 06851	X		Chairman & CEO

Signatures

Frank T. MacInnis		09/21/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The number of shares reported herein represents an adjustment required by the 2-for-1 stock splits of the Company's common stock (the "Common Stock") effected February 10, 2006 and July 9, 2007, respectively. This number also includes shares issuable with respect to restricted stock units.
(2)	Transactions are continued on a separate Form 4 filed contemporaneously herewith.
(3)	Options became exercisable in four equal installments, on the dates that the closing price on the New York Stock Exchange of a share of Common Stock hit the following target prices: $6.25; $7.50; $8.75; and $10.00 (in each case, as adjusted for each of the 2-for-1 stock splits of the Common Stock effected February 10, 2006 and July 9, 2007, respectively).

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