EXHIBIT 3.13 ARTICLES OF ORGANIZATION (Under Section 1705.04 of the Ohio Revised Code) Limited Liability Company The undersigned, desiring to form a limited liability company, under Chapter 1705 of the Ohio Revised Code, does hereby state the following: FIRST: The name of the limited liability company shall be Oak Hammock Disposal Company LLC. SECOND: The period of the limited liability company's duration shall be perpetual. THIRD: The address to which interested persons may direct requests for copies of any operating agreement and any bylaws of this limited liability company is: c/o Gregory L. McCann 2 Riverplace, Suite 400 Dayton, Ohio 45405 [ ] Please check this box if additional provisions are attached hereto. IN WITNESS WHEREOF, the undersigned has hereunto subscribed his name, this 19th day of January, 1999. /s/ Gregory L. McCann -------------------------------- GREGORY L. MCCANN AUTHORIZED REPRESENTATIVE [Ohio Revised Code Section 1705.04] [SEAL] PRESCRIBED BY J. KENNETH BLACKWELL Expedite this Form: (Select One) Ohio Secretary of State Mail Form to one of the Following: Central Ohio: (614)466-3910 Toll Free: 1-877-SOS-FILE (1-877-767-3453) [ ] Yes PO Box 1390 Columbus, OH 43216 ***Requires an additional fee of $100*** [x] No PO Box 1028 www.state.oh.us/sos Columbus, OH 43216 - ------------------------------- e-mail: busserv@sos.state.oh.us LIMITED LIABILITY COMPANY CERTIFICATE OF AMENDMENT / RESTATEMENT / CORRECTION (Domestic or Foreign) Filing Fee $50.00 (CHECK ONLY ONE (1) BOX) (1) Domestic Limited Liability Company (2) Foreign Limited Liability Company [x] Amendment (129-LAM) [ ] Correction (135-LFC) [ ] Restatement (142-LRA) ___________________________ __________________________________ January 21, 1999 (Home State) (Qualifying in Ohio on MM/DD/YY) - ------------------------------ (Date of Organization) Oak Hammock Disposal The undersigned authorized representative of Company LLC 1055186 -------------------- --------------------- (Name) (Registration Number) The above stated Limited Liability Company does hereby certify that the undersigned is duly authorized to execute this certificate, and hereby certifies that the above named Limited Liability Company [x] Amend [ ] Restate [ ] Correct the following: Complete the information in this section if box (1) Restatement is checked, all sections below must be completed. If box (1) Amendment or box (2) Correction is checked only complete sections that applies. FIRST: The name of said limited liability company shall be: Omni Waste of Osceola County LLC ----------------------------------------------------------------------- (the name must include the words "limited liability company", "limited", "Ltd.", "Ltd", "LLC", or "L.L.C.") SECOND: (OPTIONAL) This limited liability company shall exist for a period of _________________ THIRD: The address to which interested persons may direct requests for copies of any operating agreement and any bylaws of this limited liability company is (OPTIONAL): __________________ ___________________________________________ (Street address) NOTE: P.O. Box Addresses are NOT acceptable. ____________________________ ___________ ___________________ (city, township, or village) (state) (zip code) [ ] Please check if additional provisions attached hereto are incorporated herein and made a part of these articles of organization. FOURTH: Purpose (OPTIONAL) ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Page 1 of 2 Complete the information in this section if box (2) is checked and the Limited Liability Company wants to appoint a statutory agent. The limited liability company hereby appoints the following as its agent upon whom process against the limited liability company may be served in the state of Ohio. The name and complete address of the agent is: ______________________________________________________________________ (Name) ______________________________________________________________________ (Street) NOTE: P.O. Box Addresses are NOT acceptable. Ohio ___________________________ ____________ ______________ (City, village or township) (State) (Zip Code) The limited liability company irrevocably consents to service of process on the agent listed above as long as the authority of the agent continues, and to service of process upon the OHIO SECRETARY OF STATE if: A. the agent cannot be found or, B. the limited liability company fails to designate another agent when required to do so, or, C. the limited liability company's registration to do business in Ohio expires or is cancelled. Must be authenticated by an /s/ Gregory L. McCann 3/1/2002 authorized representative --------------------------------------------- ----------- Authorized Representative Gregory L. McCann Date _____________________________________________ ___________ Authorized Representative Date _____________________________________________ ___________ Authorized Representative Date Page 2 of 2