Exhibit 4.13
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                             ELEVENTH AMENDMENT

                                     TO

                  REVOLVING CREDIT AND TERM LOAN AGREEMENT

                   DATED AS OF APRIL 18, 1997, AS AMENDED

                                BY AND AMONG

                        NIAGARA LASALLE CORPORATION
                    (FORMERLY NIAGARA COLD DRAWN CORP.)

                           LASALLE STEEL COMPANY

                                    AND

                  MANUFACTURERS AND TRADERS TRUST COMPANY

                                 CIBC INC.

                          NATIONAL BANK OF CANADA

                      CITIZENS BUSINESS CREDIT COMPANY

                THE PRUDENTIAL INSURANCE COMPANY OF AMERICA

                                    AND

             MANUFACTURERS AND TRADERS TRUST COMPANY, AS AGENT
                 ------------------------------------------

                       Effective as of April 1, 2002



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                  WHEREAS, NIAGARA LASALLE CORPORATION (formerly NIAGARA
COLD DRAWN CORP.), a Delaware corporation, having its principal office at
110 Hopkins Street, Buffalo, New York ("NCDC"), LASALLE STEEL COMPANY, a
Delaware corporation, having its principal office at 1412 150th Street,
Hammond, Indiana ("LaSalle") (NCDC and LaSalle being collectively referred
to as the "Borrowers", and individually as a "Borrower"), MANUFACTURERS AND
TRADERS TRUST COMPANY, a New York banking corporation having its principal
office at One M&T Plaza, Buffalo, New York ("M&T"), CIBC INC., a Delaware
banking corporation having its principal office at 425 Lexington Avenue,
New York, New York ("CIBC"), NATIONAL CITY BANK, a Delaware corporation,
having its principal office at National City Center, 1900 East Ninth
Street, Cleveland, Ohio ("National City") and M&T, as administrative,
collateral and documentation agent (M&T to be referred to in such capacity
as "Agent"), are parties to a Revolving Credit and Term Loan Agreement
dated as of April 18, 1997 (the "Original Agreement", and as subsequently
amended as discussed below, the "Credit Agreement"); and

                  WHEREAS, THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, a
New Jersey mutual insurance company having an office at One Gateway Center,
Newark, New Jersey ("Prudential") and NATIONAL BANK OF CANADA, a Canadian
chartered bank having a domestic branch at 125 West 55th Street, New York,
New York ("NBC"), became parties to the Original Agreement by assignment of
portions of the credit commitments of various parties thereto pursuant to
Assignment and Acceptance Agreements dated as of April 18, 1997 and July
22, 1997, respectively (M&T, CIBC, National City, Prudential and NBC being
collectively referred to herein as the "Banks", and individually as a
"Bank"); and

                  WHEREAS, the Original Agreement was amended by a First
Amendment dated as of September 4, 1997 for the purpose, among other
things, of providing "Swingline Loans" (as described in the First
Amendment) under the credit facilities provided in the Original Agreement;
and

                  WHEREAS, the Credit Agreement was further amended by a
Second Amendment dated as of December 31, 1997 for the purpose, among other
things, of permitting the Borrowers to apply the "1993 Warrant Forced
Exercise Net Proceeds Amount" to the repayment of the outstanding and
unpaid principal amount of the "Revolving Credit Note" (as such terms are
defined in the Credit Agreement), and to revise the terms of the Credit
Agreement with respect to dividends; and

                  WHEREAS, the Credit Agreement was further amended by a
Third Amendment effective as of May 15, 1998 for the purpose, among other
things, of reducing the interest payable with respect to "LIBOR Rate Loans"
(as defined in the Credit Agreement), and to provide for the further
reduction of the interest payable with respect to LIBOR Rate Loans upon the
conclusion of a new collective bargaining agreement with LaSalle's hourly
employees in Hammond, Indiana; and

                  WHEREAS, the Credit Agreement was further amended by a
Fourth Amendment effective as of December 1, 1998 for the purpose, among
other things, of increasing by One Million Dollars ($1,000,000) the amount
of permitted "Capital Expenditures" (as defined in the Credit Agreement)
that may be made by the Borrowers in any "Fiscal Year" (as defined in the
Credit Agreement); and

                  WHEREAS, the Credit Agreement was further amended by a
Fifth Amendment effective as of May 21, 1999, to, among other things, (a)
waive the requirement for mandatory repayment of principal from "Excess
Cash Flow" (as defined in the Credit Agreement) for the Fiscal Year ended
December 31, 1998, and (b) in connection with a proposed business
acquisition by a UK subsidiary of Niagara Corporation, permit the Borrowers
to provide guaranties to certain banks providing standby letters of credit
to support acquisition financing to such UK subsidiary; and

                  WHEREAS, the Credit Agreement was further amended by a
Sixth Amendment effective as of December 31, 1999 for the purpose of: (a)
reducing the required ratio of Consolidated Current Assets to Consolidated
Current Liabilities, (b) changing the definition of "Majority Banks" (as
defined in the Credit Agreement); (c) clarifying the requirement that the
consent of the Majority Banks is required in connection with any amendment
or waiver of any provision of the Credit Agreement; and (d) extending the
termination date of the Revolving Credit Commitment and the Revolving
Credit Note to April 17, 2001; and

                  WHEREAS, CITIZENS BUSINESS CREDIT COMPANY, having an
office at Six PPG Place, Suite 820, Pittsburgh, Pennsylvania ("Citizens"),
became a party to the Credit Agreement, as amended by the foregoing, by
assignment of the entire credit commitments of National City (Citizens, as
assignee, to be referred to as a "Bank" for all purposes hereof) pursuant
to an Assignment and Acceptance Agreement dated as of February 1, 2000;

                  WHEREAS, the Credit Agreement was further amended by a
Seventh Amendment effective as of March 31, 2000 to increase the aggregate
amount of all payments under all Capitalized Leases and payments under
operating leases, equipment leases or other leases of real or personal
property that may be made by Borrowers and their Subsidiaries in any Fiscal
Year without the prior written consent of the Agent from $800,000 to
$2,000,000; and

                  WHEREAS, the Credit Agreement was further amended by an
Eighth Amendment effective as of June 8, 2000 to extend the termination
date of the Revolving Credit Commitment and the Revolving Credit Note to
April 18, 2002; and

                  WHEREAS, the Credit Agreement was further amended by a
Ninth Amendment effective as of June 28, 2001 for the purpose of: (a)
extending the termination date of the Revolving Credit Commitment and the
Revolving Credit Note to December 31, 2002, (b) increasing the interest
payable with respect to "LIBOR Rate Loans" (as defined in the Credit
Agreement), and (c) clarifying that the limitation on the amount that may
be provided to Niagara Corporation (the parent company of the Borrowers) as
a dividend is intended to include the proceeds of loans made under the
Revolving Credit Facility that may be advanced to Niagara Corporation; and

                  WHEREAS, the Credit Agreement was further amended by a
Tenth Amendment effective as of December 31, 2001 for the purpose of, among
other things: (a) extending the termination date of the Revolving Credit
Commitment and the Revolving Credit Note to July 31, 2003, (b) increasing
the interest payable with respect to the "Loans" (as such terms is defined
in the Credit Agreement), and (c) reducing the required ratio of
Consolidated Current Assets to Consolidated Current Liabilities; and

                  WHEREAS, PNC BANK, NATIONAL ASSOCIATION, a national
banking company having an office at One PNC Plaza, 249 Fifth Avenue,
Pittsburgh, Pennsylvania ("PNC"), became a party to the Credit Agreement,
as amended by the foregoing, by assignment of the entire credit commitments
of National Bank of Canada (PNC, as assignee, to be referred to as a "Bank"
for all purposes hereof) pursuant to an Assignment and Acceptance Agreement
dated as of January 15, 2002; and

                  WHEREAS, COMERICA BANK, a national banking company having
an office at Comerica Tower at Detroit Center, 500 Woodward Avenue,
Detroit, Michigan ("Comerica"), became a party to the Credit Agreement, as
amended by the foregoing, by assignment of the entire credit commitments of
CIBC (Comerica, as assignee, to be referred to as a "Bank" for all purposes
hereof) pursuant to an Assignment and Acceptance Agreement dated as of
March 28, 2002; and

                  WHEREAS, the Borrowers have requested that the Agent and
the Banks further amend the Credit Agreement for the purpose of, among
other things: (a) changing the definition of "Eligible Inventory" (as
defined in the Credit Agreement) to include work-in-process, (b) deleting
the interest coverage ratio financial covenant and replacing it with a debt
service coverage ratio financial covenant, (c) modifying the net worth
financial covenant, and (d) adding a secured indebtedness covenant.

                  NOW, THEREFORE, the parties hereto hereby agree as
follows:

     1. Definitions. The following definitions shall be added to Subsection
1.1 of the Credit Agreement:

                  `"Consolidated Cash Interest Expense": means Cash
           Interest Expense that would be reflected on the Consolidated
           statement of operations of Borrowers and their Subsidiaries in
           accordance with GAAP.'

                  `"Consolidated EBITDA": means EBITDA that would be
           reflected on the Consolidated income statement of Borrowers and
           their subsidiaries in accordance with GAAP.'

                  `"Consolidated Tangible Net Worth": means Tangible Net
           Worth that would be reflected on the Consolidated balance sheet
           of Borrowers and their Subsidiaries in accordance with GAAP."'

                  "Debt Service Coverage Ratio": means, as at and for the
           last day of any calendar quarter (a "determination date"), the
           ratio of:

                           (a) the sum for the period beginning on the
          first (1st) day of the Fiscal Year containing such determination
          date and ending on such determination date: (i) Consolidated Net
          Income, plus (ii) the aggregate amount deducted in determining
          such Consolidated Net Income, representing (w) interest expense,
          (x) depreciation, (y) amortization expense, and (z) other
          non-cash expenses, plus (iii) unfunded Capital Expenditure
          maintenance charges and expenses in an amount not to exceed Five
          Hundred Thousand Dollars ($500,000), in each case as determined
          in accordance with GAAP,

                           to

                           (b) the sum of (i) interest expense for such
          period determined in accordance with GAAP, plus (ii) Capital
          Expenditures for such period determined in accordance with GAAP,
          plus (iii) current maturities of long-term Indebtedness for the
          Borrowers' next succeeding measurement period (as determined by
          the Agent in its sole discretion); provided, however, the
          resulting amount described in each of paragraph (a) and paragraph
          (b) immediately above shall be multiplied by (i) four (4), for
          each determination date ending on the last day of the first (1st)
          calendar quarter ending in any Fiscal Year of the Borrowers, (ii)
          two (2), for each determination date ending on the last day of
          the second (2nd) calendar quarter ending in any Fiscal Year of
          the Borrowers, and (iii) one and one-third (1.33), for each
          determination date ending on the last day of the third (3rd)
          calendar quarter ending in any Fiscal Year of the Borrowers.

                  `"EBITDA": means, for any Person, for any period, the sum
          of the following for such period: (a) Net Income for such period,
          plus (b) without duplication and to the extent deducted in
          computing such Net Income for such period, the sum of (i) Cash
          Interest Expense, plus (ii) income tax expense, plus (iii)
          depreciation and amortization expense, plus (iv) any
          extraordinary, unusual or non-recurring expenses or losses
          (including, whether or not otherwise includable as a separate
          item in such Net Income for such period, losses on sales of
          assets outside of the ordinary course of business), plus (v) any
          other non-cash charges, and minus (c) to the extent included in
          computing such Net Income for such period, the sum of (i) any
          extraordinary, unusual or non-recurring income or gains
          (including, whether or not otherwise includable as a separate
          item in such Net Income for such period, gains on the sales of
          assets outside of the ordinary course of business), plus (ii) any
          other non-cash income.'

                  `"Senior Secured Indebtedness": means all outstanding
          Indebtedness of the Borrowers to the Agent pursuant to the Loan
          Documents to the extent repayment of such Indebtedness is, and at
          all times continue to be, secured by a perfected first priority
          Lien in favor of the Agent pursuant to the Collateral Documents.'

                  `"Tangible Net Worth": for any Person, means, at any
          time, the Net Worth of such Person at such time, as adjusted for
          accumulated other comprehensive income (or loss) of such Person
          from the beginning of the then-current fiscal year of such Person
          to such time determined in accordance with GAAP, and excluding
          any amount attributable to assets that would be classified as
          intangible assets under GAAP.'

      2. Amendment of Eligible Inventory Definition. The phrase ",
work-in-process" is hereby added immediately following the phrase "raw
materials" in clause (a) of the definition of "Eligible Inventory"
contained in Subsection 1.1 of the Credit Agreement.

      3. Modification of Consolidated Net Worth Covenant. Subsection 6.3(a)
of the Credit Agreement is hereby deleted in its entirety and replaced with
the following:

                  "(a) Permit the Consolidated Tangible Net Worth of the
Borrowers as at and for the last day of any calendar quarter (a
"determination date") to be less than an amount equal to:

                           (i) for each determination date falling in the
Fiscal Year of the Borrowers ending on December 31, 2002, Forty Nine
Million Dollars ($49,000,000); and

                           (ii) for each determination date falling in the
Fiscal Year of the Borrowers commencing on January 1, 2003 and in each
Fiscal Year of the Borrowers thereafter, an amount equal to the sum of (A)
Forty Nine Million Dollars ($49,000,000), plus (B) one half (1/2) of the
Consolidated Net Income of the Borrowers for the period beginning on the
first (1st) day of the Fiscal Year containing such determination date and
ending on such determination date;'

      4. Deletion of Interest Coverage Ratio; Replacement with Debt Service
Coverage Ratio. Subsection 6.3(c) of the Credit Agreement is hereby deleted
in its entirety and replaced with the following:

                  "(c) Permit the Debt Service Coverage Ratio as at and for
the last day of any calendar quarter to be less than 1.00 to 1.00; and"

      5. Addition of Senior Secured Indebtedness Ratio. A new Subsection
6.3(d) is hereby added to the Credit Agreement to read as follows:

                  "(d) Permit the ratio of Senior Secured Indebtedness to
Consolidated EBITDA as at and for the last day of any calendar quarter (a
"determination date") to be greater than 3.50 to 1.00; provided, however,
for purposes of this Subsection 6.3(d) Consolidated EBITDA shall be
multiplied by (i) four (4), for each determination date ending on the last
day of the first (1st) calendar quarter ending in any Fiscal Year of the
Borrowers, (ii) two (2), for each determination date ending on the last day
of the second (2nd) calendar quarter ending in any Fiscal Year of the
Borrowers, and (iii) one and one-third (1.33), for each determination date
ending on the last day of the third (3rd) calendar quarter ending in any
Fiscal Year of the Borrowers."

      6. This Eleventh Amendment shall be effective as of April 1, 2002.

      7. All capitalized terms used herein (including the introductory
recitations above), unless otherwise defined herein, have the same meaning
provided therefor in the Credit Agreement.

      8. The amendments set forth herein are limited precisely as written
and shall not be deemed to (a) be a consent to or a waiver of any other
term or condition of the Credit Agreement or any of the documents referred
to therein, or (b) prejudice any right or rights which the Agent or any
Bank may now have or may have in the future under or in connection with the
Credit Agreement or any documents referred to therein. Whenever the Credit
Agreement is referred to in the Credit Agreement or in any of the
instruments, agreements or other documents or papers executed and delivered
in connection therewith, it shall be deemed to mean the Credit Agreement as
modified by all amendments thereto, including this Eleventh Amendment.

      9. The Borrowers hereby represent and warrant, jointly and severally,
that upon giving effect to the terms and provisions of this Eleventh
Amendment no default or Event of Default shall have occurred and be
continuing under the terms of the Credit Agreement.

      10. This Eleventh Amendment may be executed by one or more of the
parties to this Eleventh Amendment on any number of separate counterparts
and all of said counterparts taken together shall be deemed to constitute
one and the same instrument.



                 REMAINDER OF PAGE INTENTIONALLY LEFT BLANK

                    SIGNATURE PAGES IMMMEDIATELY FOLLOW




                  IN WITNESS WHEREOF, the parties hereto have caused this
Eleventh Amendment to be duly executed and delivered by their respective
duly authorized officers.

                        NIAGARA LASALLE CORPORATION

                        By:  /s/ Marc J. Segalman
                           ----------------------
                        Name:    Marc J. Segalman
                        Title:   Executive Vice President

                        LASALLE STEEL COMPANY

                        By:  /s/ Marc J. Segalman
                           ----------------------
                        Name:    Marc J. Segalman
                        Title:   Executive Vice President

                        MANUFACTURERS AND TRADERS TRUST
                        COMPANY

                        By:   Robert J. Kush
                           ----------------------
                        Name: Robert J. Kush
                        Title: Vice President

                        CITIZENS BUSINESS CREDIT COMPANY

                        By:  /s/ Donald Cmar
                            ----------------------
                        Name: Donald Cmar
                        Title: Vice President

                        THE PRUDENTIAL INSURANCE COMPANY OF
                        AMERICA

                        By:
                           -----------------------
                        Name:
                        Title:

                        PNC BANK, NATIONAL ASSOCIATION


                        By:  /s/ Stephen W. Boyd
                            ----------------------
                        Name:    Stephen W. Boyd
                        Title:   Vice President


                        COMERICA BANK

                        By: /s/ Richard S. Bagosy
                            ----------------------
                        Name:   Richard S. Bagosy
                        Title:  Vice President

                        MANUFACTURERS AND TRADERS TRUST
                        COMPANY, AS AGENT

                        By: /s/ Robert J. Kush
                            ----------------------
                        Name:   Robert J. Kush
                        Title:  Vice President


ACKNOWLEDGMENT
By executing below, Niagara Corporation hereby consents and agrees to the
terms and conditions contained in this Eleventh Amendment and hereby
reaffirms its obligations and liabilities pursuant to the terms of the
Unconditional and Continuing Guaranty Agreement by and between Niagara
Corporation and Manufacturers and Traders Trust Company, as Agent dated as
of April 18, 1997, as amended from time to time:

NIAGARA CORPORATION


By:  /s/ Marc J. Segalman
-------------------------
Name:    Marc J, Segalman
Title:   Executive Vice President