Exhibit 31(a)
CERTIFICATIONS
I, Michael J. Kneeland, certify that:
| 1. | I have reviewed this Amendment No. 2 to the Annual Report on Form 10-K/A of United Rentals, Inc. and United Rentals (North America), Inc. for the year ended December 31, 2011; |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; |
| April 16, 2012 |
| /s/ MICHAEL J. KNEELAND |
| Michael J. Kneeland |
| Chief Executive Officer |