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EXHIBIT 10.18
 SIXTH AMENDMENT  TO AMENDED AND RESTATED LOAN AGREEMENT
 THIS SIXTH AMENDMENT TO AMENDED AND RESTATED LOAN AGREEMENT BANK OF AMERICA, N.A. CANADIAN PARTICIPANTS U.K. PARTICIPANTS FLEET CAPITAL GLOBAL FINANCE, INC. BANK OF AMERICA, N.A. WELLS FARGO FOOTHILL, LLC LASALLE BANK NATIONAL
ASSOCIATION, LENDERS, KATY INDUSTRIES, INC. WOODS INDUSTRIES (CANADA) INC. CEH LIMITED
 WITNESSETH
    1.
    
    Definitions. All capitalized terms used herein without definition shall have the
meanings given to them in the Loan Agreement.2.
    
    Additional and Amended Definitions. The definition of Sixth Amendment Effective
Date is hereby inserted into Appendix A to the Loan Agreement. The definition of
Availability Block is hereby deleted and the following is inserted in its stead.




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Availability Block
  Sixth
Amendment Effective Date
 3.
    
    Financial Covenants. Upon the Sixth Amendment Effective Date, Exhibit 7.3
attached to the Loan Agreement shall be deemed deleted and Exhibit 7.3 attached hereto
and incorporated herein shall be inserted in its stead.4.
    
    Interest Rates. From the Sixth Amendment Effective Date until the date on which
Borrowers deliver to Agent the financial statements for the period ending March 31, 2007 in
compliance with subsection 7.1.3(ii), the Applicable Margin shall equal the following:
 U.K. and Canadian Loans
 Base Rate Revolving Portion or Canadian Prime Loans
    
    
    2.75
    %LIBOR Revolving Portion or Canadian BA Rate Loans
    
    
    2.75
    %LC Fee
    
    
    2.50
    %
 U.S. Loans
 Base Rate Revolving Portion
    
    
    1.00
    %Base Rate Term Portion
    
    
    1.25
    %LIBOR Revolving Portion
    
    
    2.75
    %LIBOR Term Portion
    
    
    3.00
    %LC Fee
    
    
    2.50
    %Unused Line Fee
    
    
    0.50
    %




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5.
    
    Capital Expenditure. Subsection 7.2.8 of the Loan Agreement is hereby deleted and
the following is inserted in its stead:
 Capital Expenditures $12,000,000 during the fiscal term ending December 31, 2006 s and December 31, 2006
 6.
    
    Amendment Fee. In order to induce Agents and Lenders to enter into this Sixth
Amendment, Borrowers agree to pay to Agent, for the ratable benefit of each Lender executing
this Sixth Amendment, a fee in the amount of $165,000. Said fee shall be due and payable and
shall be deemed fully earned and non-refundable upon the date hereof.7.
    
    Condition Precedent. This Sixth Amendment shall become effective upon (x) the
execution and delivery of this Sixth Amendment by each of Borrowers, Agent and Majority
Lenders and (y) the payment to Agent, for the ratable benefit of Lenders, the amendment fee.
The date on which such condition precedent is satisfied shall be referred to as the Sixth
Amendment Effective Date.8.
    
    Continuing Effect. Except as otherwise specifically set out herein, the provisions
of the Loan Agreement shall remain in full force and effect.9.
    
    Governing Law. This Sixth Amendment and the obligations arising hereunder shall be
governed by, and construed and enforced in accordance with, the laws of the State of Illinois
applicable to contracts made and performed in such state, without regard to the principles
thereof regarding conflicts of laws.10.
    
    Counterparts. This Sixth Amendment may be executed in any number of separate
counterparts, each of which shall, collectively and separately, constitute one agreement.
 (Signature Page Follows)




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(Signature Page to Sixth Amendment to Loan Agreement)
 IN WITNESS WHEREOF
 KATY INDUSTRIES, INC.By:
    
    /s/Amir RosenthalName: Amir RosenthalTitle:   Vice President and CFO




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(Signature Page to Sixth Amendment to Loan Agreement)
 CEH LIMITEDBy:
    
    /s/ Christopher AndersonName: Christopher AndersonTitle: Authorized ManagerandBy:
    
    /s/ Christopher LacovaraName: Christopher LacovaraTitle: Authorized Manager




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(Signature Page to Sixth Amendment to Loan Agreement)
 WOODS INDUSTRIES (CANADA) INC.By:
    
    /s/ Amir RosenthalName: Amir RosenthalTitle: Secretary




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(Signature Page to Sixth Amendment to Loan Agreement)
 BANK OF AMERICA, N.A.,as predecessor-in-interest to Fleet Capital Corporation,as Agent and as a LenderBy:
    
    /s/ Jason RileyName: Jason RileyTitle: Vice President




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(Signature Page to Sixth Amendment to Loan Agreement)
 WELLS FARGO FOOTHILL LLC,as Syndication Agent and LenderBy:
    
    /s/ Yelena KravchukName: Yelena KravchukTitle: Assistant Vice President




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(Signature Page to Sixth Amendment to Loan Agreement)
 LASALLE BANK NATIONAL ASSOCIATION,as Documentation Agent and as a LenderBy:
    
    /s/ Mark MitalName: Mark MitalTitle: Senior Vice President




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(Signature Page to Sixth Amendment to Loan Agreement)
 UPS CAPITAL CORPORATION, as a LenderBy:
    
    /s/ John HollowayName: John HollowayTitle: Director of Portfolio Management




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(Signature Page to Sixth Amendment to Loan Agreement)
 BANK OF AMERICA, N.A., London branch,as U.K. Agent and U.K. LenderBy:
    
    /s/ Justin Charles Van AstName: Justin Charles Van AstTitle: Assistant Vice President




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(Signature Page to Sixth Amendment to Loan Agreement)
 FLEET CAPITAL GLOBAL FINANCE, INC.,as Canadian Agent and Canadian LenderBy:
    
    /s/ L.M. Junior Del BroccoName: L.M. Junior Del BroccoTitle: Senior Vice President




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(Signature Page to Sixth Amendment to Loan Agreement)
 th
 GUARANTORS:KKTY HOLDING COMPANY, L.L.C.By:
    
    /s/ Christopher AndersonName: Christopher AndersonTitle: Authorized ManagerAMERICAN GAGE & MACHINE CO.By:
    
    /s/ Amir RosenthalName: Amir RosenthalTitle: SecretaryCONTINENTAL COMMERCIAL PRODUCTS, LLCBy:
    
    /s/ Amir RosenthalName: Amir RosenthalTitle: SecretaryPTR MACHINE CORP.By:
    
    /s/ Amir RosenthalName: Amir RosenthalTitle: SecretarySAVANNAH ENERGY SYSTEMS COMPANYBy:
    
    /s/ Amir RosenthalName: Amir RosenthalTitle: SecretaryWOODS INDUSTRIES, INC.By:
    
    /s/ Amir RosenthalName: Amir RosenthalTitle: Secretary




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EXHIBIT 7.3
  DEFINITIONS
 Consolidated EBITDA provided subtracted provided further pro forma
 Consolidated Fixed Charges




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plus
 Consolidated
Interest Expense
 Consolidated Net Income provided
 Fixed Charge Coverage Ratio minus plus
 A. Fixed Charge Coverage Ratio




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Period
    
    RatioFour Fiscal Quarters Ending March 31, 2007 and each June 30,
September 30, December 31 and March 31 thereafter
    
    1.10 to 1