Exhibit 21.1

LIST OF EQUIFAX INC. SUBSIDIARIES

Registrant - Equifax Inc. (a Georgia corporation)

The Registrant owns, directly or indirectly, 100% of the stock of the following subsidiaries as of December 31, 2013 (all of which are included in the consolidated financial statements), except as noted in the footnotes below:

NOTES:

Registrant’s subsidiary Equifax Spain Holdings S.L. owns 85.4% of the stock of Equifax Iberica, S.L. (Spain), which owns 95% of ASNEF/Equifax Servicios de Informacion Sobre Solvencia y Credito S.L. (Spain); 100% of the stock of Equifax Fraude, S.L.; 95% of the stock of Equifax Plus, S.L., and 50% of the stock of Credinformacoes Informacoes de CreditoLda. (Portugal), along with Equifax Decision Systems, B.V. which owns 25%.

Registrant’s subsidiary Equifax South America LLC owns 100% of the stock of Inversiones Equifax de Chile S.A. which owns 100% of the stock of Servicios Equifax Chile Ltda. Equifax South America LLC owns 76.04% of the stock of Equifax Centroamerica, S.A. de C.V. (El Salvador), which owns 100% of the stock of Equifax Honduras, Central de Riesgo Privada, S.A. (Honduras). Equifax South America LLC owns 16% of the stock of Equifax Peru S.A., along with Servicios Equifax Chile Ltda. (Chile) which owns 35%. Equifax Peru S.A. owns 100% of Acelor SAC (Peru), and 100% of Servicios Integrales de Informacion S.A. (Peru).

Registrant’s subsidiary Equifax Spain Holdings S.L. (Spain) owns 79.49% of the stock of Organizacion Veraz, S.A. (Argentina), and together these two entities own 98.9% of Transalud, S.A. (Argentina).

Registrant’s subsidiary Equifax Acquisition Holdings LLC owns 87.7085% of the stock of Grupo Inffinix, S.A. de C.V. (Mexico)(“Grupo”) and all of Grupo’s wholly-owned subsidiaries, as follows: Inffinix Limited (Hong Kong), Inffinix Software, S.L. (Spain); Inffinix Software, S.A. de C.V. (Mexico); Inffinix Administración, S.A. de C.V. (Mexico); Inffinix Assets, S.A. de C.V. (Mexico); Infosistemas Financieros, S.A. de C.V. (Mexico); and Inffinix Software Comercio, Servicios, Importação e Expostação, Ltda. (Brazil);

Registrant’s subsidiary Equifax Americas B.V. (the Netherlands) owns 65% of the stock of Equifax Paraguay S.A. (Paraguay), which owns 99.99% of the stock of Informconf S.A. (Paraguay), along with Equifax Information Services of Puerto Rico Inc., which owns the remaining 0.01% of Informconf S.A. stock.

Registrant’s subsidiary Equifax do Brasil Holdings Ltda. (Brazil) holds 15% of the stock of BOA Vista Servicios S.A. (Brazil), and 9.5% of the stock of Neuroanalítica Participações Ltda. (Brazil), ), which owns 57% of Neurotech Technologica da Informacao S.A. (Brazil). 

Registrant’s subsidiary Equifax Decision Systems, B.V. (the Netherlands) owns 50% of Equifax Credit Services LLC (Russia). Equifax Decision Systems, B.V. (the Netherlands), through its wholly-owned subsidiary, EFX Holdings Limited (Mauritius), owns 47.43% of Equifax Credit Information Services Private Limited (India) and 51% of Net Positive Business Analytics Private Limited (India), and its wholly-owned subsidiaries NettPositive Business Intelligence Solutions Pvt. Ltd (India), NettPositive Inc. (New Jersey), and NettPositive Analytics FZD (UAD).

Registrant’s subsidiary Equifax Information Services LLC holds a 33% interest in Opt-Out Services LLC (Delaware), 33% interest in VantageScore Solutions, LLC (Delaware), 33% of New Management Services LLC (Delaware), 25% of Online Data Exchange LLC (Delaware) and 33% of Central Source LLC (Delaware). 

⁽¹⁾Subsidiary of Equifax Information Services LLC

⁽²⁾Subsidiary of TALX Corporation

⁽³⁾Subsidiary of Equifax Europe LLC

⁽⁴⁾Subsidiary of Equifax EUA Ltd.

⁽⁵⁾Subsidiary of Equifax Limited

⁽⁶⁾Subsidiary of Equifax South America LLC

⁽⁷⁾Subsidiary of Inversiones Equifax de Chile Ltda.

⁽⁸⁾Subsidiary of Equifax Information Services of Puerto Rico, Inc.

⁽⁹⁾–Reserved—

⁽¹⁰⁾Subsidiary of Equifax Marketing Solutions LLC

⁽¹¹⁾–Reserved—

⁽¹²⁾Subsidiary of Equifax do Brasil Holdings Ltda.

⁽¹³⁾Subsidiary of Equifax Investment (South America) LLC

⁽¹⁴⁾Subsidiary of Equifax Americas B.V.

⁽¹⁵⁾Subsidiary of Equifax Database Services, Inc.

⁽¹⁶⁾Subsidiary of Equifax Decision Systems, B.V.

⁽¹⁷⁾Subsidiary of Equifax Spain Holdings, S.L.

⁽¹⁸⁾Subsidiary of Equifax Canadian Holdings Co.

⁽¹⁹⁾Subsidiary of Servicios Equifax Chile Ltda.

⁽²⁰⁾–Reserved—

⁽²¹⁾Subsidiary of Equifax Luxembourg (No. 4) S.À R.L.

⁽²²⁾Subsidiary of EFX Holdings Ltd.

⁽²³⁾Subsidiary of Equifax Luxembourg (No. 3) S.À R.L.

⁽²⁴⁾Subsidiary of Anakam, Inc.

⁽²⁵⁾Subsidiary of Equifax Luxembourg S.À R.L.

⁽²⁶⁾Subsidiary of Equifax Luxembourg (No. 5) S.À R.L.

⁽²⁷⁾–Reserved—

⁽²⁸⁾Subsidiary of Equifax Settlement Services Holding LLC

⁽²⁹⁾Subsidiary of Equifax Settlement Services LLC