Projects

1

Ministry of Communications of the State of Veracruz

January, 2006 - June, 2006

Study, design and construction of a 40.0-meter long bridge, located at Kilometer 0 + 100 Ixcatepec-7 Palmas road, municipality of Ixcatepec, Veracruz. FONDEM, development and execution of various works, such as bridges, sewerage and drainage systems, rehabilitation of roads for emergency zones.

2

City of Coatzacoalcos, Veracruz

March, 2006 - June, 2006

Road paving with hydraulic concrete on Liebres street, between Jirafas and Kiwis streets in the Gaviotas neighborhood in Coatzacoalcos, Veracruz.

3

City of Coatzacoalcos, Veracruz

April, 2006 - July, 2006

Road paving with hydraulic concrete on Reforma street, between Lazaro Cardenas street and the Malecon Costero avenue in Puerto México neighborhood, in Coatzacoalcos, Veracruz.

4

Ingeniería y Construcciones Generalizadas S.A. de C.V.

May, 2006 - September, 2006

Maintenance provided to the operation road of Uspanapan-Cangrejera (PB1 to PB2) water pipeline, which involves building a hydraulic base, as well as impregnation and seal irrigation systems.

5

City of Coatzacoalcos, Veracruz

June, 2006 - September, 2006

Road paving with hydraulic concrete on Adalberto Tejeda between Lindavista and Lucas Alemán streets at Benito Juaréz Sur neighborhood, in Coatzacoalcos, Veracruz.

6

City of Coatzacoalcos, Veracruz

June, 2007 - September, 2007

Road paving with hydraulic concrete on the Gopalapa and Lindavista streets. Mundo Nuevo Congregation, in Coatzacoalcos, Veracruz.

7

Water Commission of the State of Veracruz

December, 2006 - February, 2007

Restoration works conducted at safe water supply system in Cazones de Herrera, in the municipality of Cazones de Herrera, Veracruz.

8

City of Coatzacoalcos, Veracruz

February, 2007 - May, 2007

Construction of storm water drainage in Universidad Avenue, between Universidad Avenue and Malecón street, in the Fovissste neighborhood in Coatzacoalcos, Veracruz.

9

Celanese

July, 2007

Construction of an 18" Ø gas pipeline for sour gas routing, which includes the procurement, construction and commissioning in firm and marshy terrains (including all kinds of pig stations), in Ocotlán, Tlaquepaque and Altos de Jalisco sites in Guadalajara, Jalisco. Mexico.

10

New Complex in Veracruz. Fermemex

January, 2007

Construction of a 16" new phenol routing pipeline, located at the interior part of the new complex in Veracruz.

11

Pemex exploration and production, North Region

June, 2007 - November 30, 2008

Construction and restoring of flexible pavements on roads in the facilities of Integral Asset Veracruz.

12

Port Area

June, 2008 - August 30, 2008

Construction and restoring of flexible pavement on the parking lot at the Pot Area, Northern Area of Veracruz Port.

13

Canal: Bruno Paglai Boulevard

August, 2008

Repaving with asphaltic concrete in Bruno Paglai Industrial zone. Northern Area of Veracruz Port, with a 2.0-kilometer long goal.

14

City of Cosoleacaque

July, 2008

Construction and restoring of flexible pavements on many streets in Cosoleacaque, Veracruz.

15

PEMEX Integral Asset Veracruz

December, 2008 - January, 2012

Construction and restoring and/or upgrading of roads and platforms to exploration and development wells of Integral Asset Veracruz and Papaloapan "B" Projects. December 2008 to date.

16

Pemex Integral Asset Veracruz

December, 2008 - March, 2011

Pipelines construction of several diameters (Ø) for the Integral Asset Veracruz fields.

17

Pemex Southern Region

Today since March, 2011

Construction, expansion, reconditioning and additional works in locations for well drilling in the Southern Region.