<Page>
EXHIBIT 3.10
AMENDED
ARTICLES OF INCORPORATION
OF
OREGON COUNTY TRASH, INC.
Pursuant to the provisions of Section 351.095 of the Missouri General and
Business Corporation Law, the undersigned hereby certifies:
FIRST: That the name of the corporation is Oregon County Trash, Inc.
SECOND: That the number of shares of capital stock of the corporation
outstanding and entitled to vote on the amendment was one hundred (100).
THIRD: That, pursuant to resolutions of the board of directors, the holder
of all of the issued and outstanding shares of capital stock of the corporation
signed a written consent, effective as of November 16, 1998, adopting the
Amended Articles of Incorporation.
FOURTH: That the Articles of Incorporation are hereby amended to read in
their entirety as follows:
Section 1. The name of the Corporation is IESI MO Corporation.
Section 2. The registered office of the Corporation in the State of
Missouri is located at 120 South Central Avenue, Clayton, MO 63105. The name of
its Registered Agent at the above address is CT Corporation System. The name of
the sole original incorporator of the Corporation is Marvin Gibbons, and his
address is #60 Wabash, P.O. Box 10, Cherokee Village, Arkansas.
Section 3. The purpose of the Corporation is to engage in any lawful act or
activity for which a corporation may be organized under the Missouri General and
Business Corporation Law, and the corporation has perpetual existence.
Section 4. The total number of shares of capital stock that the Corporation
has authority to issue is 100 shares Common Stock, no par value.
Section 5. Unless, and except to the extent that, the Bylaws of the
Corporation (the "Bylaws") so require, the election of directors need not be by
written ballot.
Section 6. The board of directors of the Corporation (the "Board of
Directors") may from time to time adopt, amend or repeal the Bylaws, subject to
the power of the shareholders to adopt any Bylaws or to amend or repeal any
Bylaws adopted, amended or repealed by the Board of Directors. The number of
directors constituting the entire Board of Directors is currently three.
Hereafter, the number of directors shall be fixed by, or in the manner provided
in, the Bylaws, and any change in the number of directors shall be reported to
the Secretary of State of the State of Missouri within 30 calendar days of such
change.
Section 7. To the fullest extent that the Missouri General and Business
Corporation Law as it exists on the date hereof or as it may hereafter be
amended permits the limitation or
<Page>
elimination of the liability of directors, no director will be liable to the
Corporation or its shareholders for monetary damage for breach of fiduciary duty
as a director. Any repeal or amendment of this Section 7 will not adversely
affect any limitation on the personal liability or alleged liability of a
director arising from an act or omission of that director occurring prior to the
time of such repeal or amendment.
Section 8. No contract or transaction between the Corporation and one or
more of its directors or officers, or between the Corporation and any other
corporation, partnership, association, or other organization in which one or
more of its directors or officers, are directors or officers, or have a
financial interest, shall be void or voidable solely for this reason, or solely
because the director or officer is present at or participates in the meeting of
the Board of Directors or committee which authorizes the contract or
transaction, or solely because his or their votes are counted for such purpose,
if:
(a) The material facts as to his relationship or interest and as to the
contract or transaction are disclosed or are known to the Board of
Directors or the committee, and the Board of Directors or committee in good
faith authorizes the contract or transaction by the affirmative votes of a
majority of the disinterested directors, even though the disinterested
directors be less than a quorum; or
(b) The material facts as to his relationship or interest and as to the
contract or transaction are disclosed or are known to the shareholders
entitled to vote thereon, and the contract or transaction is specifically
approved in good faith by vote of the shareholders; or
(c) The contract or transaction is fair as to the Corporation as of the
time it is authorized, approved or ratified by the Board of Directors, a
committee or the shareholders.
Common or interested directors may be counted in determining the presence of a
quorum at a meeting of the Board of Directors or of a committee which authorizes
the contract or transaction,
[REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK]
-2-
<Page>
DATED: November 17, 1998
OREGON COUNTY TRASH, INC.
By: /s/ Tom Brown
---------------------------------
Tom Brown, Vice President
By: /s/ Thomas Cowee
---------------------------------
Tom Cowee, Secretary
STATE OF TEXAS
SS
COUNTY OF TARRANT
I, Thomas E. Pate, a notary public, do hereby certify that on this 19th day
of November, 1998, personally appeared before me Tom Brown, who, being by me
first duly sworn, declared that he is the Vice President of Oregon County Trash,
Inc., that he signed the foregoing document as Vice President of the
corporation, and that the statement therein contained is true.
/s/ Thomas E. Pate
---------------------------------
Notary Public
-3-