The quantity and quality of services of these organizations vary according to their size and capital. To save money, some of these organizations also work from satellite offices. Some of them have gyms, offices, and a large array of extra-curricular services. In some cases, services benefit both Mexican living in the U.S. As well as original host community in Mexico and the organization and the Mexican government collaborates to ensure success of these organizations.

The services can generally be categorized into eight departments: legal, cultural, community, family, education, science, technology, and healthcare.

Legal services exist to protect the right of the Mexican immigrant and include a complex array of subjects. Civic, or social work, services, eases the entry of the immigrant into American society and are accomplished through various social activities. Business services assist Mexican with job employment and sating their own business. Cultural services create and sustain awareness of the Mexican identity via hosting social events and activities. Community services include help with housing and schooling, whilst family services focus on the elderly and very young, as well as teenagers...

Educational services helps Mexican immigrants get into schools and colleges helping out with scholarships when need be. Science and technology deals with development of research in appropriate area and helping Mexican scientists continue and publicize their research / innovations.
In short, Amayo-Castro's (2011) analysis of 300 non-profit Mexican immigrant associations found that they were focused on and dedicated to dealing with a host of concerns, that they often acted as mediators between their own government and the U.S. government s well as between the Mexican government and Mexican immigrants tot the U.S., and that by easing entry of immigrant into the U.S., these organizations not only helped the immigrants themselves but also had a great influence on the American culture itself.

Source

Amayo-Castro, G. (2011) Immigrant non-profit organizations. Thesis. S. Illinois Univ.

Alatrista, J., & Arrowsmith, J. (2004). Managing employee commitment in the not-for-profit sector. Personnel Review, 33, 536-548.

Perry, J., Mesch, D., & Paarlberg, L. (2006). Motivating employees in a new governance era. Public Administration Review, 66, 505-514.