UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED): ~~September~~December 2726, 2006

CONCENTRA OPERATING CORPORATION

(Exact name of ~~Registrant~~registrant as specified in its charter)

Nevada

001-15699

75-2822620

(State or other jurisdiction

of incorporation)

(Commission File Number)

(I.R.S. Employer

Identification Number)

5080 Spectrum Drive

Suite 1200 - West Tower

Addison, Texas

75001

(Address of principal executive offices)

(Zip code)

Registrant’s telephone number, including area code: (972) 364-8000

Not ~~Applicable~~applicable

(Former name or former address if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 18.01. ~~Entry~~Other ~~into a Material Definitive Agreement~~Events.

~~Amendment No. 5 to Bridge Loan Agreement.~~ On ~~September~~December 2726, 2006, Concentra ~~Inc., parent corporation of Concentra~~ Operating Corporation~~, entered~~ ~~into~~issued ~~Amendment~~a ~~No. 5~~press ~~(“Amendment~~release ~~No. 5”)~~announcing tothe ~~Bridge~~completion ~~Loan~~of ~~Agreement (~~the ~~“Bridge~~sale ~~Loan Agreement”), originally dated as~~ of ~~June 25,~~its ~~2002,~~First ~~among~~Notice ~~Concentra Inc.~~Systems, ~~as the Borrower, Citicorp North America,~~ Inc., ~~as Lender~~subsidiary ~~and the Administrative Agent, and the other Lenders party thereto from time~~ to ~~time.~~The ~~Amendment~~Innovation ~~No. 5~~Group ~~was entered into to extend the termination date of the Bridge Loan Agreement to September 30, 2008~~plc. A copy of ~~Amendment~~this ~~No. 5~~ press release is being furnished ~~filed~~ as Exhibit 1099.61 to this report.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

1099.61 ~~Amendment~~Press ~~No.~~Release 5of tothe ~~Bridge~~Registrant ~~Loan Agreement,~~ dated asDecember ~~of September 27~~26, 2006~~, among Concentra Inc~~.~~, as the Borrower, Citicorp North America, Inc., as Lender and the Administrative Agent, and the other Lenders party thereto from time to time.~~

SIGNATURES

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


CONCENTRA OPERATING CORPORATION
(Registrant)

By:		/s/ Mark A. Solls
Name:		Mark A. Solls
Title:		Executive Vice President, General Counsel and Corporate Secretary

Date: ~~September~~December 2826, 2006

INDEX TO EXHIBITS

EXHIBIT NUMBER 1099.61 ~~Amendment~~Press ~~No.~~Release 5of tothe ~~Bridge~~Registrant ~~Loan Agreement,~~ dated asDecember ~~of September 27~~26, 2006~~, among Concentra Inc~~.~~, as the Borrower, Citicorp North America, Inc., as Lender and the Administrative Agent, and the other Lenders party thereto from time to time.~~

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