Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND

CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Universal Truckload Services, Inc., or the Company, on Form 10-K for the year ended December 31, 2011, as filed with the Securities and Exchange Commission on the date hereof (the Report), I, Donald B. Cochran, as Chief Executive Officer of the Company, and I, Robert E. Sigler, as Chief Financial Officer of the Company, each hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of his knowledge, respectively, that (1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and (2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: March 15, 2012

/s/ Donald B. Cochran

Donald B. Cochran

President and Chief Executive Officer

/s/ Robert E. Sigler

Robert E. Sigler

Vice President, Chief Financial Officer, Secretary and Treasurer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. Section 1350 and is not being filed as part of the Report or as a separate disclosure document.