Exhibit 31.2

CERTIFICATION PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Roger A. May, a Manager of the Company performing certain services for the Company commonly performed by the principal financial officer, certify
that:

1. I have reviewed this quarterly report on Form 10-QSB for the quarter ended September 30, 2007 of NGA HoldCo, LLC;

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;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the
small business issuer as of, and for, the periods presented in this report;

4. The small business issuers other certifying officer
and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the small business issuer and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure
that material information relating to the small business issuer, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;

(b) Evaluated the effectiveness of the small business issuers disclosure controls and procedures and presented in this report our
conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this quarterly report based on such evaluation; and

(c) Disclosed in this report any change in the small business issuers internal control over financial reporting that occurred during the small business issuers most recent fiscal quarter (the small
business issuers fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the small business issuers internal control over financial reporting; and

5. The small business issuers other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial
reporting, to the small business issuers auditors and the audit committee of small business issuers board of directors (or persons fulfilling equivalent functions):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably
likely to adversely affect the small business issuers ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the small business issuers internal control over financial reporting.



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|Date: November 14, 2007 |  |  |  | /s/ Roger A. May                                  
|                        |  |  |  | Roger A. May Manager (Principal Financial Officer)