Arquitec Door Industrial S.A. de C.V.
- Design and installation of automatic and controlled access door systems. Gives overview of services and lists completed projects. [English/Spanish]
- http://www.arquitecdoor.com.mx

Bracamonte, Saucillo y Cia, S. C.
- Public accounting and business consulting firm with offices in Puebla and Tlaxcala. Gives information on partners and services offered, in English, Spanish, and French.
- http://www.bsycia.com