<Page>

                                                                   Exhibit 4.5

        Supplemental Indenture No. 2 in Respect of Subsidiary Guarantees

         SUPPLEMENTAL INDENTURE NO. 2, dated as of November 20, 2002 (this
"SUPPLEMENTAL INDENTURE"), among IESI Corporation, a Delaware corporation
(together with its successors and assigns, the "COMPANY"), WaCo Land Holding,
Inc. (the "NEW SUBSIDIARY GUARANTOR"), the existing Subsidiary Guarantors under
the Indenture referred to below (the "EXISTING SUBSIDIARY GUARANTORS") and The
Bank of New York, as Trustee (the "TRUSTEE") under the Indenture referred to
below.

                              W I T N E S S E T H:

         WHEREAS, the Company, the Existing Subsidiary Guarantors and the
Trustee have heretofore become parties to an Indenture (as amended,
supplemented, waived or otherwise modified, the "INDENTURE"), dated as of June
12, 2002, as supplemented, providing for the issuance of 10 1/4% Senior
Subordinated Notes due 2012 of the Company (the "NOTES");

         WHEREAS, SECTION 413 of the Indenture provides that the Company is
required to or may cause the New Subsidiary Guarantor to execute and deliver to
the Trustee a supplemental indenture pursuant to which the New Subsidiary
Guarantor shall guarantee the Notes pursuant to a Subsidiary Guarantee (as
defined in the Indenture) on the terms and conditions set forth herein and in
ARTICLE 13 of the Indenture;

         WHEREAS, the New Subsidiary Guarantor desires to enter into this
Supplemental Indenture for good and valuable consideration, including
substantial economic benefit in that the financial performance and condition of
such New Subsidiary Guarantor is dependent on the financial performance and
condition of the Company and on such New Subsidiary Guarantor's access to
working capital through the Company's access to revolving credit borrowings
under the Credit Agreement (as defined in the Indenture); and

         WHEREAS, pursuant to SECTION 901 of the Indenture, the parties hereto
are authorized to execute and deliver this Supplemental Indenture to amend the
Indenture, without the consent of any Holder (as defined in the Indenture);

         NOW, THEREFORE, in consideration of the foregoing and for other good
and valuable consideration, the receipt of which is hereby acknowledged, the New
Subsidiary Guarantor, the Company, the Existing Subsidiary Guarantors and the
Trustee mutually covenant and agree for the benefit of the Holders as follows:

         1.       DEFINED TERMS. As used in this Supplemental Indenture, terms
defined in the Indenture or in the preamble or recitals hereto are used herein
as therein defined. The words "herein," "hereof" and "hereby" and other words of
similar import used in this Supplemental Indenture refer to this Supplemental
Indenture as a whole and not to any particular section hereof.

         2.       AGREEMENT TO SUBSIDIARY GUARANTEE. The New Subsidiary
Guarantor hereby agrees, jointly and severally with all Existing Subsidiary
Guarantors, fully and unconditionally, to guarantee the Guaranteed Obligations
(as defined in the Indenture) under the Indenture and the Notes on the terms and
subject to the conditions set forth in ARTICLE 13 of the Indenture and to be

<Page>

bound by (and shall be entitled to the benefits of) all other applicable
provisions of the Indenture as a Subsidiary Guarantor. The Subsidiary Guarantee
of the New Subsidiary Guarantor is subject to the subordination provisions of
the Indenture.

         3.       TERMINATION, RELEASE AND DISCHARGE. The New Subsidiary
Guarantor's Subsidiary Guarantee shall terminate and be of no further force or
effect, and the New Subsidiary Guarantor shall be released and discharged from
all obligations in respect of its Subsidiary Guarantee, as and when provided in
Section 1303 of the Indenture.

         4.       PARTIES. Nothing in this Supplemental Indenture is intended or
shall be construed to give any Person (as defined in the Indenture), other than
the Holders and the Trustee, any legal or equitable right, remedy or claim under
or in respect of the New Subsidiary Guarantor's Subsidiary Guarantee or any
provision contained herein or in Article 13 of the Indenture.

         5.       GOVERNING LAW. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED
BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK WITHOUT
GIVING EFFECT TO CONFLICTS OF LAWS PROVISIONS THEREOF TO THE EXTENT THAT THE
APPLICATION OF THE LAW OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY. THE
TRUSTEE, THE COMPANY, THE NEW SUBSIDIARY GUARANTOR, EACH EXISTING SUBSIDIARY
GUARANTOR, ANY OTHER OBLIGOR IN RESPECT OF THE NOTES AND (BY THEIR ACCEPTANCE OF
THE NOTES) THE HOLDERS, AGREE TO SUBMIT TO THE JURISDICTION OF ANY UNITED STATES
FEDERAL OR STATE COURT LOCATED IN THE BOROUGH OF MANHATTAN, IN THE CITY OF NEW
YORK IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL
INDENTURE OR THE NOTES.

         EACH OF THE COMPANY, THE NEW SUBSIDIARY GUARANTOR, THE EXISTING
SUBSIDIARY GUARANTORS, ANY OTHER OBLIGOR IN RESPECT OF THE NOTES AND THE TRUSTEE
HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW,
ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR
RELATING TO THIS SUPPLEMENTAL INDENTURE, THE NOTES OR THE TRANSACTIONS
CONTEMPLATED HEREBY.

         6.       RATIFICATION OF INDENTURE; SUPPLEMENTAL INDENTURES PART OF
INDENTURE. Except as expressly amended hereby, the Indenture is in all respects
ratified and confirmed and all the terms, conditions and provisions thereof
shall remain in full force and effect. This Supplemental Indenture shall form a
part of the Indenture for all purposes, and every Holder of Notes heretofore or
hereafter authenticated and delivered shall be bound hereby. The Trustee makes
no representation or warranty as to the validity or sufficiency of this
Supplemental Indenture.

         7.       COUNTERPARTS. The parties hereto may sign one or more copies
of this Supplemental Indenture in counterparts, all of which together shall
constitute one and the same agreement.

                                      -2-

<Page>

         8.       HEADINGS. The section headings herein are for convenience of
reference only and shall not be deemed to alter or affect the meaning or
interpretation of any provisions hereof.

                            [SIGNATURE PAGES FOLLOW]

                                       -3-

<Page>

         IN WITNESS WHEREOF, the parties hereto have caused this Supplemental
Indenture No. 2 to be duly executed as of the date first above written.

                  IESI CORPORATION

                  By:/s/ Thomas J. Cowee
                     -----------------------------------------
                       Name:        Thomas J. Cowee
                       Title:       Vice President, Chief Financial Officer,
                                    Treasurer and Assistant Secretary

                  THE BANK OF NEW YORK, as Trustee

                  By: /s/ Beata Hyrniewicka
                     --------------------------------------------------
                       Name: Beata Hyrniewicka
                       Title: Assistant Treasurer

                  EXISTING SUBSIDIARY GUARANTORS:

                  IESI AR CORPORATION
                  IESI AR LANDFILL CORPORATION
                  IESI LA CORPORATION
                  IESI LA LANDFILL CORPORATION
                  IESI MO CORPORATION
                  IESI NJ CORPORATION
                  IESI NJ RECYCLING CORPORATION
                  IESI NY CORPORATION
                  IESI OK CORPORATION
                  IESI PA BETHLEHEM LANDFILL CORPORATION
                  IESI PA BLUE RIDGE LANDFILL CORPORATION
                  IESI PA CORPORATION
                  IESI TX CORPORATION
                  IESI TX GP CORPORATION
                  TOTAL WASTE SYSTEMS, INC.
                  TWS, INC.
                  TWS OF SOUTHWESTERN OKLAHOMA, INC.
                  ERVIN'S TRASH SERVICES, INC.
                  GRAND LAKE SANITATION, INC.
                  TWS OF CADDO COUNTY, INC.
                  CENTER POINT DISPOSAL, INC.
                  AMD INC.

<Page>

                 ENVIROCLEAN SYSTEMS, INC.
                 BEST DISPOSAL SERVICE, INC.

                 By:/s/ Thomas J. Cowee
                    -----------------------------------------
                      Name:        Thomas J. Cowee
                      Title:       Vice President, Chief Financial Officer,
                                   Treasurer and Assistant Secretary

                 IESI DE CORPORATION
                 IESI DE LP CORPORATION

                 By:/s/ Christopher V. Della Pietra
                    -----------------------------------------
                      Name:        Christopher V. Della Pietra
                      Title:       Vice President


                 IESI TX LANDFILL LP

                 By:  IESI TX GP Corporation,
                          its General Partner

                 By:      /s/ Thomas J. Cowee
                    --------------------------------------------------
                      Name:        Thomas J. Cowee
                      Title:       Vice President, Chief Financial Officer
                                   and Treasurer

                 CENTRAL LOUISIANA WASTE, LLC


                 By:    IESI LA Landfill Corporation, its managing member

                 By:      /s/ Thomas J. Cowee
                    --------------------------------------------------
                      Name:        Thomas J. Cowee
                      Title:       Vice President, Chief Financial Officer,
                                   Treasurer and Assistant Secretary

<Page>

                 NEW SUBSIDIARY GUARANTOR:

                 WaCo Land Holding, Inc.



                 By:      /s/ Thomas J. Cowee
                    --------------------------------------------------
                      Name:        Thomas J. Cowee
                      Title:       Vice President, Chief Financial Officer,
                                   Treasurer and Assistant Secretary