Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  SCHULTE PETER M
2. Date of Event Requiring Statement (Month/Day/Year)
09/27/2006
3. Issuer Name and Ticker or Trading Symbol
ICF International, Inc. [ICFI]
(Last)
(First)
(Middle)
900 THIRD AVENUE, 33RD FLOOR
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
09/27/2006
(Street)

NEW YORK, NY 10022-4775
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 1,524,446 (1)
D (2)
 
Common Stock 6,563,693 (3)
I
See Footnote (4)
Common Stock 6,563,693 (5)
I
See Footnote (6)
Common Stock 1,524,446 (7)
I
See Footnote (8)
Common Stock 1,524,446 (9)
I
See Footnote (10)
Common Stock 8,231,732 (11)
I
See Footnote (12)
Common Stock 8,231,732 (11)
I
See Footnote (12)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
SCHULTE PETER M
900 THIRD AVENUE, 33RD FLOOR
NEW YORK, NY 10022-4775
  X   X    
CM Equity Partners II, L.P.
900 THIRD AVENUE, 33RD FLOOR
NEW YORK, NY 10022-4775
    X    
CMLS GP, L.P.
900 THIRD AVENUE, 33RD FLOOR
NEW YORK, NY 10022-4775
    X    
CMLS General Partner, LLC
900 THIRD AVENUE, 33RD FLOOR
NEW YORK, NY 10022-4775
    X    
Lynx II GP, L.P.
900 THIRD AVENUE, 33RD FLOOR
NEW YORK, NY 10022-4775
    X    
JACKS JOEL R
900 THIRD AVENUE, 33RD FLOOR
NEW YORK, NY 10022-4775
  X   X    
LPE II, LLC
900 THIRD AVENUE, 33RD FLOOR
NEW YORK, NY 10022-4775
    X    

Signatures

/s/ James J. Maiwurm, Attorney-in-Fact for Peter M. Schulte 10/02/2006
**Signature of Reporting Person Date

/s/ James J. Maiwurm, Attorney-in-Fact for Joel R. Jacks 10/02/2006
**Signature of Reporting Person Date

/s/ James J. Maiwurm, Attorney-in-Fact for CM Equity Partners II, L.P. 10/02/2006
**Signature of Reporting Person Date

/s/ James J. Maiwurm, Attorney-in-Fact for CMLS GP, L.P. 10/02/2006
**Signature of Reporting Person Date

/s/ James J. Maiwurm, Attorney-in-Fact for CMLS General Partner, LLC 10/02/2006
**Signature of Reporting Person Date

/s/ James J. Maiwurm, Attorney-in-Fact for Lynx II GP, L.P. 10/02/2006
**Signature of Reporting Person Date

/s/ James J. Maiwurm, Attorney-in-Fact for LPE II, LLC 10/02/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) These shares are revised to reflect intermediary entities that may be deemed to have beneficial ownership.
(2) These shares represent the shares directly owned by CM Equity Partners, II L.P.
(3) These shares are revised to reflect intermediary entities that may be deemed to have beneficial ownership.
(4) These shares represent the shares indirectly owned by CMLS GP, L.P., which is the general partner of CM Equity Partners, L.P. and CMEP Co-Investment ICF, L.P.
(5) These shares are revised to reflect intermediary entities that may be deemed to have beneficial ownership.
(6) These shares represent the shares indirectly owned by CMLS General Partner, LLC, which is the general partner of CMLS GP, L.P.
(7) These shares are added to reflect intermediary entities that may be deemed to have beneficial ownership.
(8) These shares represent the shares indirectly owned by Lynx II GP, L.P., which is the general partner of CM Equity Partners II, L.P.
(9) These shares are added to reflect intermediary entities that may be deemed to have beneficial ownership.
(10) These shares represent the shares indirectly owned by LPE II, LLC, which is the general partner of Lynx II GP, L.P.
(11) The explanation is revised to include intermediary entities that may be deemed to have beneficial ownership.
(12) Directors Peter M. Schulte and Joel R. Jacks are the managing members of CMLS General Partner, LLC, LPE II Co-Investors, LLC and LPE II, LLC. Messrs. Schulte and Jacks disclaim beneficial ownership of the shares of the Issuer's common stock beneficially owned by each of CMLS General Partner, LLC, LPE II Co-Investors, LLC and LPE II, LLC except to the extent of their respective pecuniary interests therein.

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