Common use of De Minimis” Small Amount Cashouts Clause in Contracts

De Minimis” Small Amount Cashouts. If selected by the Employer, Participant account balances that do not exceed a certain threshold amount will be automatically cashed out upon the Participant‘s Termination of Employment or Death, as provided below [select one] x Yes, amounts that do not exceed a threshold dollar amount will automatically be cashed out [IRS 402(g) limit OR $ [enter dollar amount, not to exceed the IRS 402(g) limit for a given year] ¨ No, no “de minimis” small amounts will be cashed out. By signing this Adoption Agreement, the Employer certifies that it has consulted with legal counsel regarding the effects of the Plan, as applicable, on all parties. The Employer further certifies that it has and will limit participation in the Plan to a select group of management or highly compensated Employees, Board Members or Other Service Providers, as determined by the Employer in consultation with legal counsel. The Employer further certifies that it is the Employer’s sole responsibility to ensure that each Participant with the right to direct deemed investments under the Plan that are based on securities issued by the Employer or a member of its controlled group (as defined in Code Section 414(b) and (c)) will receive a prospectus for any such deemed investment option based on such Employer securities. The Employer is solely responsible for its compliance with applicable laws, including Federal and state securities and other applicable laws. Only those elections that are completed shall be considered as provisions applicable to and forming a part of the Plan. This Adoption Agreement may only be used in conjunction with the Plan document. All selections in the Adoption Agreement providing for customized or “other” plan provisions are subject to review for administrative feasibility, and may be subject to additional fees. Terms used in this Adoption Agreement which are defined in the Plan document shall have the meaning given them therein. The Employer hereby acknowledges that it is adopting this Nonqualified Supplemental Deferred Compensation Plan. Federal legislation or other changes in the law relating to nonqualified deferred compensation or other employee benefit plans may require that the Plan be amended. The undersigned duly authorized owner, or officer of the Employer hereby executes the Plan on behalf of the Employer. Dated this 22nd day of January, 2014. Employer By /s/ Xxxxx Xxxxx Its Director of Human Resources 1 Diamond, LLC Delaware American International Maritime Logistics, LLC Texas CAN-FER Utility Services, LLC Delaware Conam Construction Co. Texas Xxxxx Communications, Inc. Delaware Xxxxx Electric Company, Inc. Delaware Crux Subsurface, Inc. Delaware Xxxxx Corporation Delaware Xxxxxxxx Corporation Delaware Digco Utility Construction, L.P. Delaware Energy Construction Services, Inc. Delaware Five Points Construction Co. Texas X.X. Xxxxxxx Pipeline Construction, Inc. Delaware InfraSource Construction, LLC Delaware InfraSource Field Services, LLC Delaware InfraSource FI, LLC Delaware InfraSource Installation, LLC Delaware InfraSource, LLC Delaware InfraSource Services, LLC Delaware InfraSource Transmission Services Company Arizona InfraSource Underground Construction, Inc. Delaware InfraSource Underground Services Canada, Inc. Delaware Inline Devices, LLC Texas Intermountain Electric, Inc. Colorado IonEarth, LLC Michigan Xxxx Construction Company Mississippi Island Mechanical Corporation Hawaii Lazy Q Ranch, LLC Delaware Xxxxxxx Electric, L.P. Texas Xxxxxx Bros., Inc. Delaware Current as of January 14, 2014 Page 1 of 4 Xxxxx Construction, LLC Xxxxxxx Xxxxx Group, Inc. Delaware Xxxxx Personnel Services, Inc. Texas Xxxxxx Software Solutions, LLC Texas Microline Technology Corporation Michigan X.X. Electric, LLC Delaware North Houston Pole Line, L.P. Texas North Sky Engineering, Inc. Delaware NorthStar Energy Services, Inc. North Carolina Nova NextGen Solutions, LLC Delaware PAR Electrical Contractors, Inc. Missouri Performance Energy Services, L.L.C. Louisiana Performance Labor Services, L.L.C. Louisiana Potelco, Inc. Washington Xxxxx Xxxxxxx Construction, Inc. Delaware Xxxxx Xxxxxxx International, Inc. Delaware Xxxxx Xxxxxxx Services, LLC Delaware Xxxxxx Electric, Inc. Utah PWR Financial Company Delaware PWR Network, LLC Delaware QPS Engineering, LLC Delaware QSI Finance I (US), Inc. Delaware QSI Finance V (US), LLP Delaware QSI, Inc. Delaware Quanta Asset Management LLC Delaware Quanta Associates, L.P. Texas Quanta Capital Solutions, Inc. Delaware Quanta Delaware, Inc. Delaware Quanta Electric Power Services, LLC Delaware Quanta Energy Services, LLC Delaware Quanta Fiber Networks, Inc. Delaware Quanta Field Services, LLC Delaware Quanta Government Services, Inc. Delaware Quanta Government Solutions, Inc. Delaware Quanta Holdings 1 GP, LLC Delaware Quanta International Services, Inc. Delaware Quanta LXVII Acquisition, Inc. Delaware Quanta LXVIII Acquisition, Inc. Delaware Quanta LXIX Acquisition, Inc. Delaware Quanta LXX Acquisition, Inc. Delaware Quanta LXXI Acquisition, Inc. Delaware Quanta LXXII Acquisition, Inc. Delaware Quanta LXXIII Acquisition, Inc Delaware Quanta Marine Services, LLC Delaware Quanta Pipeline Services, Inc. Delaware Quanta Power Generation, Inc. Delaware Quanta Power, Inc. Delaware Quanta Receivables, L.P. Delaware Quanta Services Contracting, Inc. Delaware Quanta Services Management Partnership, L.P. Texas

De Minimis” Small Amount Cashouts. If selected by the Employer, Participant account balances that do not exceed a certain threshold amount will be automatically cashed out upon the Participant‘s Participant’s Termination of Employment or Death, as provided below [select one] x Yes, amounts that do not exceed a threshold dollar amount will automatically be cashed out [IRS 402(g) limit OR $ [enter dollar amount, not to exceed the IRS Internal Revenue Code 402(g) limit for a given year] year will automatically be cashed out. ¨ No, no “de minimis” small amounts will be cashed out. By signing this Adoption Agreement, the Employer certifies that it has consulted with legal counsel regarding the effects of the Plan, as applicable, on all parties. The Employer further certifies that it has and will limit participation in the Plan to a select group of management or highly compensated Employees, Board Members or Other Service Providers, as determined by the Employer in consultation with legal counsel. The Employer further certifies that it is the Employer’s sole responsibility to ensure that each Participant with the right to direct deemed investments under the Plan that are based on securities issued by the Employer or a member of its controlled group (as defined in Code Section 414(b) and (c)) will receive a prospectus for any such deemed investment option based on such Employer securities. The Employer is solely responsible for its compliance with applicable laws, including Federal and state securities and other applicable laws. Only those elections that are completed shall be considered as provisions applicable to and forming a part of the Plan. This Adoption Agreement may only be used in conjunction with the Plan document. All selections in the Adoption Agreement providing for customized or “other” plan provisions are subject to review for administrative feasibility, and may be subject to additional fees. Terms used in this Adoption Agreement which are defined in the Plan document shall have the meaning given them therein. The Employer hereby acknowledges that it is adopting this Nonqualified Supplemental Deferred Compensation Plan. Federal legislation or other changes in the law relating to nonqualified deferred compensation or other employee benefit plans may require that the Plan be amended. The undersigned duly authorized owner, or officer of the Employer hereby executes the Plan on behalf of the Employer. Dated this 22nd 1 day of JanuaryMay, 2014. Employer By /s/ Xxxxx Xxxxx Its Director of Human Resources 1 Diamond, LLC Delaware American International Maritime Logistics, LLC Texas CAN-FER Utility Services, LLC Delaware Conam Construction Co. Texas Xxxxx Communications, Inc. Delaware Xxxxx Electric Company, Inc. Delaware Crux Subsurface, Inc. Delaware Xxxxx Corporation Delaware Xxxxxxxx Corporation Delaware Digco Utility Construction, L.P. Delaware Energy Construction Services, Inc. Delaware Five Points Construction Co. Texas X.X. Xxxxxxx Pipeline Construction, Inc. Delaware InfraSource Construction, LLC Delaware InfraSource Field Services, LLC Delaware InfraSource FI, LLC Delaware InfraSource Installation, LLC Delaware InfraSource, LLC Delaware InfraSource Services, LLC Delaware InfraSource Transmission Services Company Arizona InfraSource Underground Construction, Inc. Delaware InfraSource Underground Services Canada, Inc. Delaware Inline Devices, LLC Texas Intermountain Electric, Inc. Colorado IonEarth, LLC Michigan Xxxx Construction Company Mississippi Island Mechanical Corporation Hawaii Lazy Q Ranch, LLC Delaware Xxxxxxx Electric, L.P. Texas Xxxxxx Bros., Inc. Delaware Current as of January 14, 2014 Page 1 of 4 Xxxxx Construction, LLC Xxxxxxx Xxxxx Group, Inc. Delaware Xxxxx Personnel Services, Inc. Texas Xxxxxx Software Solutions, LLC Texas Microline Technology Corporation Michigan X.X. Electric, LLC Delaware North Houston Pole Line, L.P. Texas North Sky Engineering, Inc. Delaware NorthStar Energy Services, Inc. North Carolina Nova NextGen Solutions, LLC Delaware PAR Electrical Contractors, Inc. Missouri Performance Energy Services, L.L.C. Louisiana Performance Labor Services, L.L.C. Louisiana Potelco, Inc. Washington Xxxxx Xxxxxxx Construction, Inc. Delaware Xxxxx Xxxxxxx International, Inc. Delaware Xxxxx Xxxxxxx Services, LLC Delaware Xxxxxx Electric, Inc. Utah PWR Financial Company Delaware PWR Network, LLC Delaware QPS Engineering, LLC Delaware QSI Finance I (US), Inc. Delaware QSI Finance V (US), LLP Delaware QSI, Inc. Delaware Quanta Asset Management LLC Delaware Quanta Associates, L.P. Texas Quanta Capital Solutions, Inc. Delaware Quanta Delaware, Inc. Delaware Quanta Electric Power Services, LLC Delaware Quanta Energy Services, LLC Delaware Quanta Fiber Networks, Inc. Delaware Quanta Field Services, LLC Delaware Quanta Government Services, Inc. Delaware Quanta Government Solutions, Inc. Delaware Quanta Holdings 1 GP, LLC Delaware Quanta International Services, Inc. Delaware Quanta LXVII Acquisition, Inc. Delaware Quanta LXVIII Acquisition, Inc. Delaware Quanta LXIX Acquisition, Inc. Delaware Quanta LXX Acquisition, Inc. Delaware Quanta LXXI Acquisition, Inc. Delaware Quanta LXXII Acquisition, Inc. Delaware Quanta LXXIII Acquisition, Inc Delaware Quanta Marine Services, LLC Delaware Quanta Pipeline Services, Inc. Delaware Quanta Power Generation, Inc. Delaware Quanta Power, Inc. Delaware Quanta Receivables, L.P. Delaware Quanta Services Contracting, Inc. Delaware Quanta Services Management Partnership, L.P. Texas2009.

De Minimis” Small Amount Cashouts. If selected by the Employer, Participant account balances that do not exceed a certain threshold amount will be automatically cashed out upon the Participant‘s Participant’s Termination of Employment or Death, as provided below [select one] x Yes, amounts that do not exceed a threshold dollar amount will automatically be cashed out [IRS 402(g) limit OR $ [enter dollar amount, not to exceed the IRS Internal Revenue Code 402(g) limit for a given year] year will automatically be cashed out ($15,500 for 2007 and 2008) ¨ No, no “de minimis” small amounts will be cashed out. By signing this Adoption Agreement, the Employer certifies that it has consulted with legal counsel regarding the effects of the Plan, as applicable, on all parties. The Employer further certifies that it has and will limit participation in the Plan to a select group of management or highly compensated Employees, Board Members or Other Service Providers, as determined by the Employer in consultation with legal counsel. The Employer further certifies that it is the Employer’s sole responsibility to ensure that each Participant with the right to direct deemed investments under the Plan that are based on securities issued by the Employer or a member of its controlled group (as defined in Code Section 414(b) and (c)) will receive a prospectus for any such deemed investment option based on such Employer securities. The Employer is solely responsible for its compliance with applicable laws, including Federal and state securities and other applicable laws. Only those elections that are completed shall be considered as provisions applicable to and forming a part of the Plan. This Adoption Agreement may only be used in conjunction with the Plan document. All selections in the Adoption Agreement providing for customized or “other” plan provisions are subject to review for administrative feasibility, and may be subject to additional fees. Terms used in this Adoption Agreement which are defined in the Plan document shall have the meaning given them therein. The Employer hereby acknowledges that it is adopting this Nonqualified Supplemental Deferred Compensation Plan. Federal legislation or other changes in the law relating to nonqualified deferred compensation or other employee benefit plans may require that the Plan be amended. The undersigned duly authorized owner, or officer of the Employer hereby executes the Plan on behalf of the Employer. Dated this 22nd 24th day of JanuaryJune, 2014. Employer By /s/ Xxxxx Xxxxx Its Director of Human Resources 1 Diamond, LLC Delaware American International Maritime Logistics, LLC Texas CAN-FER Utility Services, LLC Delaware Conam Construction Co. Texas Xxxxx Communications, Inc. Delaware Xxxxx Electric Company, Inc. Delaware Crux Subsurface, Inc. Delaware Xxxxx Corporation Delaware Xxxxxxxx Corporation Delaware Digco Utility Construction, L.P. Delaware Energy Construction Services, Inc. Delaware Five Points Construction Co. Texas X.X. Xxxxxxx Pipeline Construction, Inc. Delaware InfraSource Construction, LLC Delaware InfraSource Field Services, LLC Delaware InfraSource FI, LLC Delaware InfraSource Installation, LLC Delaware InfraSource, LLC Delaware InfraSource Services, LLC Delaware InfraSource Transmission Services Company Arizona InfraSource Underground Construction, Inc. Delaware InfraSource Underground Services Canada, Inc. Delaware Inline Devices, LLC Texas Intermountain Electric, Inc. Colorado IonEarth, LLC Michigan Xxxx Construction Company Mississippi Island Mechanical Corporation Hawaii Lazy Q Ranch, LLC Delaware Xxxxxxx Electric, L.P. Texas Xxxxxx Bros., Inc. Delaware Current as of January 14, 2014 Page 1 of 4 Xxxxx Construction, LLC Xxxxxxx Xxxxx Group, Inc. Delaware Xxxxx Personnel Services, Inc. Texas Xxxxxx Software Solutions, LLC Texas Microline Technology Corporation Michigan X.X. Electric, LLC Delaware North Houston Pole Line, L.P. Texas North Sky Engineering, Inc. Delaware NorthStar Energy Services, Inc. North Carolina Nova NextGen Solutions, LLC Delaware PAR Electrical Contractors, Inc. Missouri Performance Energy Services, L.L.C. Louisiana Performance Labor Services, L.L.C. Louisiana Potelco, Inc. Washington Xxxxx Xxxxxxx Construction, Inc. Delaware Xxxxx Xxxxxxx International, Inc. Delaware Xxxxx Xxxxxxx Services, LLC Delaware Xxxxxx Electric, Inc. Utah PWR Financial Company Delaware PWR Network, LLC Delaware QPS Engineering, LLC Delaware QSI Finance I (US), Inc. Delaware QSI Finance V (US), LLP Delaware QSI, Inc. Delaware Quanta Asset Management LLC Delaware Quanta Associates, L.P. Texas Quanta Capital Solutions, Inc. Delaware Quanta Delaware, Inc. Delaware Quanta Electric Power Services, LLC Delaware Quanta Energy Services, LLC Delaware Quanta Fiber Networks, Inc. Delaware Quanta Field Services, LLC Delaware Quanta Government Services, Inc. Delaware Quanta Government Solutions, Inc. Delaware Quanta Holdings 1 GP, LLC Delaware Quanta International Services, Inc. Delaware Quanta LXVII Acquisition, Inc. Delaware Quanta LXVIII Acquisition, Inc. Delaware Quanta LXIX Acquisition, Inc. Delaware Quanta LXX Acquisition, Inc. Delaware Quanta LXXI Acquisition, Inc. Delaware Quanta LXXII Acquisition, Inc. Delaware Quanta LXXIII Acquisition, Inc Delaware Quanta Marine Services, LLC Delaware Quanta Pipeline Services, Inc. Delaware Quanta Power Generation, Inc. Delaware Quanta Power, Inc. Delaware Quanta Receivables, L.P. Delaware Quanta Services Contracting, Inc. Delaware Quanta Services Management Partnership, L.P. Texas2008.

De Minimis” Small Amount Cashouts. If selected by the Employer, Participant account balances that do not exceed a certain threshold amount will be automatically cashed out upon the Participant‘s Participant’s Termination of Employment or Death, as provided below [select one] x ☒ Yes, amounts that do not exceed a threshold dollar amount will automatically be cashed out [IRS 402(g) limit OR $ [enter dollar amount, not to exceed the IRS 402(g) limit for a given year] ¨ ☐ No, no “de minimis” small amounts will be cashed out. By signing this Adoption Agreement, the Employer certifies that it has consulted with legal counsel regarding the effects of the Plan, as applicable, on all parties. The Employer further certifies that it has and will limit participation in the Plan to a select group of management or highly compensated Employees, Board Members or Other Service Providers, as determined by the Employer in consultation with legal counsel. The Employer further certifies that it is the Employer’s sole responsibility to ensure that each Participant with the right to direct deemed investments under the Plan that are based on securities issued by the Employer or a member of its controlled group (as defined in Code Section 414(b) and (c)) will receive a prospectus for any such deemed investment option based on such Employer securities. The Employer is solely responsible for its compliance with applicable laws, including Federal and state securities and other applicable laws. Only those elections that are completed shall be considered as provisions applicable to and forming a part of the Plan. This Adoption Agreement may only be used in conjunction with the Plan document. All selections in the Adoption Agreement providing for customized or “other” plan provisions are subject to review for administrative feasibility, and may be subject to additional fees. Terms used in this Adoption Agreement which are defined in the Plan document shall have the meaning given them therein. The Employer hereby acknowledges that it is adopting this Nonqualified Supplemental Deferred Compensation Plan. Federal legislation or other changes in the law relating to nonqualified deferred compensation or other employee benefit plans may require that the Plan be amended. ​ The undersigned duly authorized owner, or officer of the Employer hereby executes the Plan on behalf of the Employer. Dated this 22nd 18th day of JanuaryOctober, 2014. Employer By /s/ Xxxxx Xxxxx Its Director of Human Resources 1 Diamond, LLC Delaware American International Maritime Logistics, LLC Texas CAN-FER Utility Services, LLC Delaware Conam Construction Co. Texas Xxxxx Communications, Inc. Delaware Xxxxx Electric Company, Inc. Delaware Crux Subsurface, Inc. Delaware Xxxxx Corporation Delaware Xxxxxxxx Corporation Delaware Digco Utility Construction, L.P. Delaware Energy Construction Services, Inc. Delaware Five Points Construction Co. Texas X.X. Xxxxxxx Pipeline Construction, Inc. Delaware InfraSource Construction, LLC Delaware InfraSource Field Services, LLC Delaware InfraSource FI, LLC Delaware InfraSource Installation, LLC Delaware InfraSource, LLC Delaware InfraSource Services, LLC Delaware InfraSource Transmission Services Company Arizona InfraSource Underground Construction, Inc. Delaware InfraSource Underground Services Canada, Inc. Delaware Inline Devices, LLC Texas Intermountain Electric, Inc. Colorado IonEarth, LLC Michigan Xxxx Construction Company Mississippi Island Mechanical Corporation Hawaii Lazy Q Ranch, LLC Delaware Xxxxxxx Electric, L.P. Texas Xxxxxx Bros., Inc. Delaware Current as of January 14, 2014 Page 1 of 4 Xxxxx Construction, LLC Xxxxxxx Xxxxx Group, Inc. Delaware Xxxxx Personnel Services, Inc. Texas Xxxxxx Software Solutions, LLC Texas Microline Technology Corporation Michigan X.X. Electric, LLC Delaware North Houston Pole Line, L.P. Texas North Sky Engineering, Inc. Delaware NorthStar Energy Services, Inc. North Carolina Nova NextGen Solutions, LLC Delaware PAR Electrical Contractors, Inc. Missouri Performance Energy Services, L.L.C. Louisiana Performance Labor Services, L.L.C. Louisiana Potelco, Inc. Washington Xxxxx Xxxxxxx Construction, Inc. Delaware Xxxxx Xxxxxxx International, Inc. Delaware Xxxxx Xxxxxxx Services, LLC Delaware Xxxxxx Electric, Inc. Utah PWR Financial Company Delaware PWR Network, LLC Delaware QPS Engineering, LLC Delaware QSI Finance I (US), Inc. Delaware QSI Finance V (US), LLP Delaware QSI, Inc. Delaware Quanta Asset Management LLC Delaware Quanta Associates, L.P. Texas Quanta Capital Solutions, Inc. Delaware Quanta Delaware, Inc. Delaware Quanta Electric Power Services, LLC Delaware Quanta Energy Services, LLC Delaware Quanta Fiber Networks, Inc. Delaware Quanta Field Services, LLC Delaware Quanta Government Services, Inc. Delaware Quanta Government Solutions, Inc. Delaware Quanta Holdings 1 GP, LLC Delaware Quanta International Services, Inc. Delaware Quanta LXVII Acquisition, Inc. Delaware Quanta LXVIII Acquisition, Inc. Delaware Quanta LXIX Acquisition, Inc. Delaware Quanta LXX Acquisition, Inc. Delaware Quanta LXXI Acquisition, Inc. Delaware Quanta LXXII Acquisition, Inc. Delaware Quanta LXXIII Acquisition, Inc Delaware Quanta Marine Services, LLC Delaware Quanta Pipeline Services, Inc. Delaware Quanta Power Generation, Inc. Delaware Quanta Power, Inc. Delaware Quanta Receivables, L.P. Delaware Quanta Services Contracting, Inc. Delaware Quanta Services Management Partnership, L.P. Texas2022.

De Minimis” Small Amount Cashouts. If selected by the Employer, Participant account balances that do not exceed a certain threshold amount will be automatically cashed out upon the Participant‘s Participant’s Termination of Employment or Death, as provided below [select one] x Yes, amounts that do not exceed a threshold dollar amount will automatically be cashed out [IRS 402(g) limit OR $ [enter dollar amount, not to exceed the IRS Internal Revenue Code 402(g) limit for a given year] year will automatically be cashed out ($15,500 for 2007 and 2008) ¨ No, no “de minimis” small amounts will be cashed out. By signing this Adoption Agreement, the Employer certifies that it has consulted with legal counsel regarding the effects of the Plan, as applicable, on all parties. The Employer further certifies that it has and will limit participation in the Plan to a select group of management or highly compensated Employees, Board Members or Other Service Providers, as determined by the Employer in consultation with legal counsel. The Employer further certifies that it is the Employer’s sole responsibility to ensure that each Participant with the right to direct deemed investments under the Plan that are based on securities issued by the Employer or a member of its controlled group (as defined in Code Section 414(b) and (c)) will receive a prospectus for any such deemed investment option based on such Employer securities. The Employer is solely responsible for its compliance with applicable laws, including Federal and state securities and other applicable laws. Only those elections that are completed shall be considered as provisions applicable to and forming a part of the Plan. This Adoption Agreement may only be used in conjunction with the Plan document. All selections in the Adoption Agreement providing for customized or “other” plan provisions are subject to review for administrative feasibility, and may be subject to additional fees. Terms used in this Adoption Agreement which are defined in the Plan document shall have the meaning given them therein. The Employer hereby acknowledges that it is adopting this Nonqualified Supplemental Deferred Compensation Plan. Federal legislation or other changes in the law relating to nonqualified deferred compensation or other employee benefit plans may require that the Plan be amended. The undersigned duly authorized owner, or officer of the Employer hereby executes the Plan on behalf of the Employer. Dated this 22nd 3 day of JanuaryNovember, 2014. Employer By /s/ Xxxxx Xxxxx Its Director of Human Resources 1 Diamond, LLC Delaware American International Maritime Logistics, LLC Texas CAN-FER Utility Services, LLC Delaware Conam Construction Co. Texas Xxxxx Communications, Inc. Delaware Xxxxx Electric Company, Inc. Delaware Crux Subsurface, Inc. Delaware Xxxxx Corporation Delaware Xxxxxxxx Corporation Delaware Digco Utility Construction, L.P. Delaware Energy Construction Services, Inc. Delaware Five Points Construction Co. Texas X.X. Xxxxxxx Pipeline Construction, Inc. Delaware InfraSource Construction, LLC Delaware InfraSource Field Services, LLC Delaware InfraSource FI, LLC Delaware InfraSource Installation, LLC Delaware InfraSource, LLC Delaware InfraSource Services, LLC Delaware InfraSource Transmission Services Company Arizona InfraSource Underground Construction, Inc. Delaware InfraSource Underground Services Canada, Inc. Delaware Inline Devices, LLC Texas Intermountain Electric, Inc. Colorado IonEarth, LLC Michigan Xxxx Construction Company Mississippi Island Mechanical Corporation Hawaii Lazy Q Ranch, LLC Delaware Xxxxxxx Electric, L.P. Texas Xxxxxx Bros., Inc. Delaware Current as of January 14, 2014 Page 1 of 4 Xxxxx Construction, LLC Xxxxxxx Xxxxx Group, Inc. Delaware Xxxxx Personnel Services, Inc. Texas Xxxxxx Software Solutions, LLC Texas Microline Technology Corporation Michigan X.X. Electric, LLC Delaware North Houston Pole Line, L.P. Texas North Sky Engineering, Inc. Delaware NorthStar Energy Services, Inc. North Carolina Nova NextGen Solutions, LLC Delaware PAR Electrical Contractors, Inc. Missouri Performance Energy Services, L.L.C. Louisiana Performance Labor Services, L.L.C. Louisiana Potelco, Inc. Washington Xxxxx Xxxxxxx Construction, Inc. Delaware Xxxxx Xxxxxxx International, Inc. Delaware Xxxxx Xxxxxxx Services, LLC Delaware Xxxxxx Electric, Inc. Utah PWR Financial Company Delaware PWR Network, LLC Delaware QPS Engineering, LLC Delaware QSI Finance I (US), Inc. Delaware QSI Finance V (US), LLP Delaware QSI, Inc. Delaware Quanta Asset Management LLC Delaware Quanta Associates, L.P. Texas Quanta Capital Solutions, Inc. Delaware Quanta Delaware, Inc. Delaware Quanta Electric Power Services, LLC Delaware Quanta Energy Services, LLC Delaware Quanta Fiber Networks, Inc. Delaware Quanta Field Services, LLC Delaware Quanta Government Services, Inc. Delaware Quanta Government Solutions, Inc. Delaware Quanta Holdings 1 GP, LLC Delaware Quanta International Services, Inc. Delaware Quanta LXVII Acquisition, Inc. Delaware Quanta LXVIII Acquisition, Inc. Delaware Quanta LXIX Acquisition, Inc. Delaware Quanta LXX Acquisition, Inc. Delaware Quanta LXXI Acquisition, Inc. Delaware Quanta LXXII Acquisition, Inc. Delaware Quanta LXXIII Acquisition, Inc Delaware Quanta Marine Services, LLC Delaware Quanta Pipeline Services, Inc. Delaware Quanta Power Generation, Inc. Delaware Quanta Power, Inc. Delaware Quanta Receivables, L.P. Delaware Quanta Services Contracting, Inc. Delaware Quanta Services Management Partnership, L.P. Texas2008.