Don Bosco Oyster Bay offers diverse services, including Planning and Development Offices, a Vocational Training Center, Oratory Programs, Salesian Cooperators Unit, Provincial Headquarters, Tanzania Past Pupils Association Unit, Chaplaincies, and Mission & Procure.

Don Bosco Upanga is actively involved in coordinating Religious Instruction in Secondary Schools, providing Chaplaincy to YCS/Association of Catholic Teachers' Units, engaging in Youth Apostolate & Oratory activities, and fostering connections through the Past Pupils Association Unit.

Don Bosco Dodoma provides a Teachers Training College, Advanced Level Secondary School, Vocational Training Centre, Seminary, Boarding, Ladies Hostel, Youth Centre, Oratory, Chaplaincy, and Parish ministry, ensuring comprehensive education and development services.

Don Bosco Mafinga Seminary engages in various activities, including Don Bosco Junior Seminary for Form 1-4, Festive Oratories, Aspirants programs, Agriculture initiatives, Chaplaincies/Outstation & Reach Outs, Vocation Animation for Tanzania, and Boys Scout activities. These endeavors reflect the seminary's commitment to education, spiritual development, vocational training, and community outreach.

Mafinga Parish is managing 18 Outstations & 1 Prayer Centre, providing Chaplaincies, conducting outreach to Junior Seminaries/YCS, overseeing a Hostel for Girls, operating a Youth Centre, engaging in Agriculture initiatives, offering Home Crafts Training Kindergarten, and promoting Vocations. These diverse activities showcase the parish's dedication to community outreach, spiritual guidance, education, and vocational training.

Iringa Youth Centre offers a diverse range of activities, including a Technical School providing courses in Carpentry, Masonry, Motor Mechanics, Printing, Tailoring, Welding, and Electrical Installation. Additionally, the center serves as a Parish, a Youth Center, and focuses on Solar Energy initiatives. This multifaceted approach reflects its commitment to vocational training, community engagement, and sustainable energy practices.

The Morogoro community engages in a variety of activities, including providing Religious Instructions in Secondary Schools and fostering Music/Band programs. They actively promote vocations, operate a Novitiate, and conduct Holiday Programs, including Chuo Cha Maisha and Tuitions. Additionally, the community offers Chaplaincy & Outstation Services and creates a vibrant atmosphere through the Oratory.

Don Bosco KIITEC offers diploma and certificate courses in Electrical & Industrial Automation Engineering, Electronics & Telecommunication Engineering, Electrical & Renewable Energy Engineering, and Electrical & Computer Engineering. The college focuses on providing practical skills and quality education in these dynamic engineering fields, preparing students for success in evolving industries.

Moshi community activities include Don Bosco Secondary School, Salesian Cooperators Unit, Post Novitiate/College of Philosophy, Oratory Programs, Chaplaincies, Reach Out Programs, Music ABRSC, Vocations Promotion, and Scouts (Boys & Girls). Their engagement reflects a commitment to education, spirituality, culture, and youth development.

Don Bosco Didia in Shinyanga is actively engaged in various activities, offering a Secondary School for Form 1-4 students and providing Vocation-Oriented Boarding for Boys. The community supports Boys Scouts and Girl Guides programs, offers Chaplaincies, operates a Hostel for Girls, and provides Outstation Services. These activities reflect Don Bosco Didia's commitment to education, vocational development, character-building through scouting, spiritual guidance, and support for both boys and girls in Shinyanga.

Makalala Catechetical Centre actively engages in various activities, functioning as a Catechetical Training Centre to promote religious education. The center contributes to Local Vocations Promotions, extending its services through Outstation Services. Additionally, it participates in Agriculture initiatives. These activities highlight the center's commitment to religious education, vocational promotion, community outreach, and agricultural development.