Grupo Tress
- Offers outsourced payroll and human resources administration. Describes company history, services offered, and office locations. [English/Spanish]
- http://www.tress.com.mx

HR Consulting Mexico
- Specializes in recruiting, for US companies with operations in Mexico, bilingual and bicultural candidates. Describes services and focus areas.
- http://www.hrconsultingmexico.com/