Via EDGAR

May 2, 2017

Loan Lauren P. Nguyen

Legal Branch Chief

United States Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C. 20549-3561

Registration Statement on Form S-1

File No. 333-216050

Ladies and Gentlemen:

As the representatives of the several underwriters of the Liberty Oilfield Services Inc. (the “Company”) proposed initial public offering of up to 20,000,000 shares of Class A common stock of the Company, we hereby join the Company’s request for acceleration of the above-referenced Registration Statement, requesting effectiveness for 3:30 p.m., Washington, D.C. time, on May 4, 2017, or as soon thereafter as is practicable.

Pursuant to Rule 460 of the General Rules and Regulations under the Securities Act of 1933, we wish to advise you that we have effected the following distribution of the Preliminary Prospectus dated April 24, 2017, through the date hereof:

Preliminary Prospectus April 24, 2017:

4,807 copies to prospective underwriters, institutional investors, dealers and others.

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We, the undersigned, as representatives of the several underwriters, have complied and will comply, and we have been informed by the participating underwriters that they have complied and will comply, with the requirements of Rule 15c2-8 under the Securities Exchange Act of 1934.