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 *
  COLLINS TIMOTHY C
2. Date of Event Requiring Statement (Month/Day/Year)
05/22/2007
3. Issuer Name and Ticker or Trading Symbol
RSC Holdings Inc. [RRR]
(Last)
(First)
(Middle)
C/O RIPPLEWOOD HOLDINGS L.L.C., ONE ROCKEFELLER PLAZA, 32ND 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)
(Street)

NEW YORK, NY 10020
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 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 38,316,594
I
See Explanation (1)

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
COLLINS TIMOTHY C
C/O RIPPLEWOOD HOLDINGS L.L.C.
ONE ROCKEFELLER PLAZA, 32ND FLOOR
NEW YORK, NY 10020
  X   X    

Signatures

/s/ Kevin Groman 05/22/2007
**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) The reported shares are held directly by (i) RSC Acquisition LLC, whose sole member is Ripplewood Partners II, L.P., whose general partner is Ripplewood Partners II GP, L.P., whose general partner is RP II GP, LLC; and (ii) RSC Acquisition II LLC, who is managed by RP II GP, LLC. The sole member of RP II GP, LLC is Collins Family Partners, L.P, who is managed by its general partner, Collins Family Partners Inc. The Reporting Person is the president and sole shareholder of Collins Family Partners Inc. and may be deemed to share beneficial ownership of the shares shown as beneficially owned by RSC Acquisition LLC and RSC Acquisition II, LLC. However, pursuant to Rule 16a-1(a)(4) promulgated under the Act, the Reporting Person disclaims that it is the beneficial owner of such shares, except to the extent of its pecuniary interest in such shares

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