Costumer portal:
Serafín Peña 938 Sur, Centro Monterrey, N.L. C.P. 64000
Tel: +52 (81) 8150 6600
Fax: (81) 8345 1336
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If we have any act that affects or could affect the ethics or integrity of our companies, we invite you to make an anonymous complaint through TIP.
General Anaya 1002 esq. con Villagrán, Monterrey, N.L. C.P. 64410
Tel: +52 (81) 8374 1650
Fax: (81) 8372 9582
Carr. Mty-Monclova, Km 11.5 El Carmen, N.L. C.P. 66550
Tel: +52(81) 8305 3800
Fax: (81) 83053801
Valle del Guadiana y Piedras Negras, Parque Ind., Gómez Palacio, Dgo. C.P. 35078
Tel: +52 (871) 750 0515
Tel: +52(871) 750 2090
Fax: (871) 750 1924
Av. Comisión Federal de Electricidad 775 esq. Eje 136, zona ind. San Luis Potosí, SLP. C.P. 78421
Tel: +52 (444) 824 0748
Tel: +52 (444) 824 2432
Fax: (444) 824 0749