EXHIBIT 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement onForm S-8 of our report dated April 1, 2013, relating to the consolidated financial statements of Quest Resource Management Group, LLC appearing in Quest Resource Holding Corporation’s Current Report on Form 8-K/A filed with the SEC on October 1, 2013.
/s/ BDO USA, LLP
Phoenix, Arizona
November 14, 2014
