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Exhibit 10.1
 SECOND AMENDMENT TO
FIRST AMENDED AND RESTATED CREDIT AGREEMENT
 THIS SECOND AMENDMENT TO FIRST AMENDED AND RESTATED CREDIT AGREEMENT Amendment Effective Date T-3 ENERGY SERVICES, INC. Borrower T-3 OILCO ENERGY
SERVICES PARTNERSHIP Canadian Borrower BANKS WELLS FARGO BANK, NATIONAL
ASSOCIATION Wells Fargo Agent COMERICA BANK Canadian
Lender
 W I T N E S S E T H
 WHEREAS Credit
Agreement
 WHEREAS
 NOW, THEREFORE
  Definitions
 Definitions
  Amendment
 Amendment to Section 2.8(a)
  SECOND AMENDMENT TO FIRST
AMENDEDAND RESTATED TO CREDIT AGREEMENT  Page 1




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Conditions Precedent
 Conditions Precedent to Effectiveness of Amendment
      Ratifications; Representation and Warranties
 Ratifications
 Representations and Warranties
  SECOND AMENDMENT TO FIRST
AMENDEDAND RESTATED TO CREDIT AGREEMENT  Page 2




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Miscellaneous
 Loan Documents
 Governing Law Section 14.12
 Severability
 Fees and Expenses
 Counterparts; Facsimiles
 Effective Date
 WAIVER OF TRIAL BY JURY . TO THE FULLEST EXTENT PERMITTED, BY APPLICABLE
LAW, EACH OF THE BORROWER, THE CANADIAN BORROWER, THE AGENT AND THE BANKS HEREBY VOLUNTARILY,
KNOWINGLY, IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY RIGHT TO HAVE A JURY PARTICIPATE IN RESOLVING
ANY DISPUTE (WHETHER BASED UPON CONTRACT, TORT OR OTHERWISE) BETWEEN OR AMONG THE BORROWER OR THE
CANADIAN BORROWER AND
 SECOND AMENDMENT TO FIRST
AMENDEDAND RESTATED TO CREDIT AGREEMENT  Page 3




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ANY OTHER PARTY TO THIS AGREEMENT ARISING OUT OF OR IN ANY WAY RELATED TO
THIS AGREEMENT, ANY OTHER LOAN DOCUMENTS, OR ANY RELATIONSHIP BETWEEN ANY OTHER PARTY TO THIS
AGREEMENT AND THE BORROWER OR THE CANADIAN BORROWER. THIS PROVISION IS A MATERIAL INDUCEMENT TO
THE BANKS TO PROVIDE THE FINANCING DESCRIBED IN THE CREDIT AGREEMENT.
 FINAL AGREEMENT . THIS AMENDMENT, TOGETHER WITH THE CREDIT AGREEMENT AND
OTHER LOAN DOCUMENTS, REPRESENT THE FINAL AGREEMENT AMONG THE PARTIES AND MAY NOT BE CONTRADICTED
BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO
UNWRITTEN ORAL AGREEMENTS AMONG THE PARTIES.
  SECOND AMENDMENT TO FIRST
AMENDEDAND RESTATED TO CREDIT AGREEMENT  Page 4




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BORROWER:T-3 ENERGY SERVICES, INC.By:
    
    /s/ Michael T. MinoName: Michael T. MinoTitle: Vice PresidentCANADIAN BORROWER:T-3 OILCO ENERGY SERVICES PARTNERSHIP, by its partners,T-3 ENERGY SERVICES CANADA, INC.By:
    
    /s/ Michael T. MinoName: Michael T. MinoTitle: Vice President- and T-3 OILCO PARTNERS ULCBy:
    
    /s/ Michael T. MinoName:
Michael T. MinoTitle:
Vice PresidentAddress for Notices:7135 Ardmore StreetHouston, TX 77054Fax No.: 713-996-4123Telephone No.: 713-996-4110Attention: Michael Mino
 SECOND AMENDMENT TO FIRST
AMENDEDAND RESTATED TO CREDIT AGREEMENT  Signature Page




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AGENT AND BANKS:WELLS FARGO BANK, NATIONAL
ASSOCIATION, successor-by-merger to Wells
Fargo Bank Texas, National Association, as Agent and a BankBy:
    
    /s/ William S. RogersWilliam S. RogersTitle: Vice PresidentCOMERICA BANK,By:
    
    /s/ Cyd DillahuntyName: Cyd DillahuntyTitle: Vice President  Texas DivisionGENERAL ELECTRIC CAPITAL CORPORATIONBy:
    
    /s/ Jeffrey A. SkinnerName: Jeffrey A. SkinnerTitle: Duly Authorized SignatoryCANADIAN LENDER:COMERICA BANK, a Michigan banking corporation and authorized foreign bank under
the Bank Act (Canada) acting through its Canadian branch,By:
    
    /s/ John TanJohn Tan  Managing Director & Principal Officer
 SECOND AMENDMENT TO FIRST
AMENDEDAND RESTATED TO CREDIT AGREEMENT  Signature Page




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GUARANTORS:A & B Bolt & Supply, Inc.Cor-Val Holdings, Inc.Preferred Industries Holdings, Inc.T-3 Canadian Holdings, Inc.T-3 Custom Coating Applicators, Inc.T-3 Financial Services LP, Inc.T-3 Investment Corporation IIIT-3 Property Holdings, Inc.T-3 Support Services, Inc.T-3 Management Holdings, Inc.T-3 Mexican Holdings, Inc.O & M Equipment Holdings, Inc.Manifold Valve Services, Inc.Pipeline Valve Specialty, Inc.United Wellhead Services, Inc.By:
    
    /s/ Michael T. MinoMichael T. MinoVice President of each
of the foregoing companiesCor-Val, L.P.By:
    
    Cor-Val Holdings, Inc.,its sole general partnerBy:
    
    /s/ Michael T. MinoMichael T. Mino, Vice PresidentT-3 Management Services, L.P.By:
    
    T-3 Management Holdings, Inc.,its sole general partnerBy:
    
    /s/ Michael T. MinoMichael T. Mino, Vice President
 SECOND AMENDMENT TO FIRST
AMENDEDAND RESTATED TO CREDIT AGREEMENT  Signature Page




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Preferred Industries, L.P.By:
    
    Preferred Industries Holdings, Inc.,its sole general partnerBy:
    
    /s/ Michael T. MinoMichael T. Mino, Vice PresidentO&M Equipment, L.P.By:
    
    O & M Equipment Holdings, Inc.,its sole general partnerBy:
    
    /s/ Michael T. MinoMichael T. Mino, Vice PresidentT-3 Financial Services, L.P.By:
    
    T-3 Management Holdings, Inc.its sole general partnerBy:
    
    /s/ Michael T. MinoMichael T. Mino, Vice President
 SECOND AMENDMENT TO FIRST
AMENDEDAND RESTATED TO CREDIT AGREEMENT  Signature Page