Exhibit 25.1

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM T-1

STATEMENT OF ELIGIBILITY

UNDER THE TRUST INDENTURE ACT OF 1939 OF A

CORPORATION DESIGNATED TO ACT AS TRUSTEE

¨ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b) (2)

WELLS FARGO BANK, NATIONAL ASSOCIATION

(Exact name of trustee as specified in its charter)

A National Banking Association	94-1347393
(Jurisdiction of incorporation or organization if not a U.S. national bank)	(I.R.S. Employer Identification No.)
101 North Phillips Avenue Sioux Falls, South Dakota	57104
(Address of principal executive offices)	(Zip code)

Wells Fargo & Company

Law Department, Trust Section

MAC N9305-175

Sixth Street and Marquette Avenue, 17^th Floor

Minneapolis, Minnesota 55479

(612) 667-4608

(Name, address and telephone number of agent for service)

Trans Union LLC

(Co-Issuing Entity in Respect of the Notes)

(Exact name of obligor as specified in its charter)

Delaware	36-4262739
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
555 West Adams Street Chicago, Illinois	60661
(Address of principal executive offices)	(Zip code)

TransUnion Financing Corporation

(Co-Issuing Entity in Respect of the Notes)

(Exact name of obligor as specified in its charter)

Delaware	27-2830166
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
555 West Adams Street Chicago, Illinois	60661
(Address of principal executive offices)	(Zip code)

11 ³/8% Senior Notes due 2018 and

Guarantees of 11 ³/8% Senior Notes due 2018

(Title of the indenture securities)

GUARANTORS

Exact Name of Obligor as Specified in its Charter	State or Other Jurisdiction of Incorporation or Organization	I.R.S. Employer Identification Number	Address of Principal Executive Offices
Diversified Data Development Corporation	California	91-2902153	c/o Trans Union LLC 555 West Adams Street Chicago, IL 60661
TransUnion Healthcare, LLC	Delaware	27-1491512	c/o Trans Union LLC 555 West Adams Street Chicago, IL 60661
TransUnion Corp.	Delaware	74-3135689	c/o Trans Union LLC 555 West Adams Street Chicago, IL 60661
TransUnion Interactive, Inc.	Delaware	13-4117314	c/o Trans Union LLC 555 West Adams Street Chicago, IL 60661
TransUnion Rental Screening Solutions, Inc.	Delaware	52-2139271	c/o Trans Union LLC 555 West Adams Street Chicago, IL 60661
TransUnion Teledata LLC	Oregon	20-5618633	c/o Trans Union LLC 555 West Adams Street Chicago, IL 60661
Visionary Systems, Inc.	Georgia	58-2255788	c/o Trans Union LLC 555 West Adams Street Chicago, IL 60661

Item 1. General Information. Furnish the following information as to the trustee:

(a) Name and address of each examining or supervising authority to which it is subject.

  Comptroller of the Currency

  Treasury Department

  Washington, D.C.

  Federal Deposit Insurance Corporation

  Washington, D.C.

  Federal Reserve Bank of San Francisco

  San Francisco, California 94120

(b) Whether it is authorized to exercise corporate trust powers.

  The trustee is authorized to exercise corporate trust powers.

Item 2. Affiliations with Obligor. If the obligor is an affiliate of the trustee, describe each such affiliation.

None with respect to the trustee.

No responses are included for Items 3-14 of this Form T-1 because the obligor is not in default as provided under Item 13.

Item 15. Foreign Trustee. Not applicable.

Item 16. List of Exhibits. List below all exhibits filed as a part of this Statement of Eligibility.

Exhibit 1.	A copy of the Articles of Association of the trustee now in effect.*
Exhibit 2.	A copy of the Comptroller of the Currency Certificate of Corporate Existence and Fiduciary Powers for Wells Fargo Bank, National Association, dated February 4, 2004.**
Exhibit 3.	See Exhibit 2
Exhibit 4.	Copy of By-laws of the trustee as now in effect.***
Exhibit 5.	Not applicable.
Exhibit 6.	The consent of the trustee required by Section 321(b) of the Act.
Exhibit 7.	A copy of the latest report of condition of the trustee published pursuant to law or the requirements of its supervising or examining authority.
Exhibit 8.	Not applicable.
Exhibit 9.	Not applicable.

* Incorporated by reference to the exhibit of the same number to the trustee’s Form T-1 filed as exhibit 25 to the Form S-4 dated December 30, 2005 of file number 333-130784-06.

** Incorporated by reference to the exhibit of the same number to the trustee’s Form T-1 filed as exhibit 25 to the Form T-3 dated March 3, 2004 of file number 022-28721.

*** Incorporated by reference to the exhibit of the same number to the trustee’s Form T-1 filed as exhibit 25 to the Form S-4 dated May 26, 2005 of file number 333-125274.

SIGNATURE

Pursuant to the requirements of the Trust Indenture Act of 1939, as amended, the trustee, Wells Fargo Bank, National Association, a national banking association organized and existing under the laws of the United States of America, has duly caused this statement of eligibility to be signed on its behalf by the undersigned, thereunto duly authorized, all in the City of Chicago and State of Illinois on the 28th day of February 2011.

WELLS FARGO BANK, NATIONAL ASSOCIATION

/s/Gregory S. Clarke

Gregory S. Clarke

Vice President

EXHIBIT 6

February 28, 2011

Securities and Exchange Commission

Washington, D.C. 20549

Gentlemen:

In accordance with Section 321(b) of the Trust Indenture Act of 1939, as amended, the undersigned hereby consents that reports of examination of the undersigned made by Federal, State, Territorial, or District authorities authorized to make such examination may be furnished by such authorities to the Securities and Exchange Commission upon its request therefor.

Very truly yours,

WELLS FARGO BANK, NATIONAL ASSOCIATION

/s/Gregory S. Clarke

Gregory S. Clarke

Vice President

EXHIBIT 7

Consolidated Report of Condition of

Wells Fargo Bank National Association

of 101 North Phillips Avenue, Sioux Falls, SD 57104

And Foreign and Domestic Subsidiaries,

at the close of business December 31, 2010, filed in accordance with 12 U.S.C. §161 for National Banks.

		Dollar Amounts In Millions
ASSETS
Cash and balances due from depository institutions:
Noninterest-bearing balances and currency and coin		$	17,518
Interest-bearing balances			57,228
Securities:
Held-to-maturity securities			0
Available-for-sale securities			150,439
Federal funds sold and securities purchased under agreements to resell:
Federal funds sold in domestic offices			1,656
Securities purchased under agreements to resell			16,821
Loans and lease financing receivables:
Loans and leases held for sale			38,095
Loans and leases, net of unearned income	691,483
LESS: Allowance for loan and lease losses	19,637
Loans and leases, net of unearned income and allowance			671,846
Trading Assets			30,824
Premises and fixed assets (including capitalized leases)			8,129
Other real estate owned			5,713
Investments in unconsolidated subsidiaries and associated companies			659
Direct and indirect investments in real estate ventures			111
Intangible assets
Goodwill			20,931
Other intangible assets			26,452
Other assets			55,856
Total assets		$	1,102,278
LIABILITIES
Deposits:
In domestic offices		$	747,742
Noninterest-bearing	165,559
Interest-bearing	582,183
In foreign offices, Edge and Agreement subsidiaries, and IBFs			99,235
Noninterest-bearing	2,029
Interest-bearing	97,206
Federal funds purchased and securities sold under agreements to repurchase:
Federal funds purchased in domestic offices			2,930
Securities sold under agreements to repurchase			16,102

	Dollar Amounts In Millions
Trading liabilities		15,647
Other borrowed money
(includes mortgage indebtedness and obligations under capitalized leases)		40,254
Subordinated notes and debentures		19,252
Other liabilities		37,554
Total liabilities	$	978,716
EQUITY CAPITAL
Perpetual preferred stock and related surplus		0
Common stock		519
Surplus (exclude all surplus related to preferred stock)		98,971
Retained earnings		17,489
Accumulated other comprehensive income		5,280
Other equity capital components		0
Total bank equity capital		122,259
Noncontrolling (minority) interests in consolidated subsidiaries		1,303
Total equity capital		123,562
Total liabilities, and equity capital	$	1,102,278

I, Howard I. Atkins, EVP & CFO of the above-named bank do hereby declare that this Report of Condition has been prepared

in conformance with the instructions issued by the appropriate Federal regulatory authority and is true to the best of my knowledge and belief.

Howard I. Atkins

EVP & CFO    

We, the undersigned directors, attest to the correctness of this Report of Condition and declare that it has been examined by us and to the best of our knowledge and belief has been prepared in conformance with the instructions issued by the appropriate Federal regulatory authority and is true and correct.

John Stumpf	Directors
Dave Hoyt
Michael Loughlin