Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
Natural Gas Services Group, Inc.
Midland, Texas
We hereby consent to the incorporation by reference in the Prospectus constituting a part of this Amendment No. 1 to Registration Statement of our reports dated March 14, 2012, relating to the financial statements, and the effectiveness of Natural Gas Services Group, Inc.’s internal control over financial reporting, appearing in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.
We also consent to the reference to us under the caption “Experts” in the Prospectus.
(Signed manually)
BDO USA, LLP
Houston, Texas
January 28, 2013
