Non-Government Offices (NGO's)
Hospitals
- Adventist Medical Center
- De Vera's Medical Center
- Callang General Hospital
- Corrado Hospital
- Flores Medical Hospital
- Renal Care
Churches
- Cornerstone Church
- Sefton Village
- Evangelical Church
- Indian Church
Schools and Universities
- University of La Salette
- Northeastern College
Others
- Philantrophies
- SSAA Anxillary Group
- Jobs Daughters International
- Salvation Army
- Memo Drug Sanofi
Government Offices (GO's)
DOH National Hospitals
- Veteran's Regional Hospital
- Cagayan Valley Medical Center
- Baguio General Hospital and Medical Center
- Quirino Provincial Medical Center
- National Children's Hospital
- PHC
- UPPGH
- Lung Center of the Philippines
- NKTI
Government Offices
- DSWD
- PHILHEALTH
- PNP
- BJMP
- BFP
Local Government Unit(LGU's)
- Santiago City
- Ramon, Isabela
- San Mateo, Isabela
- Cordon. Isabela
- San Isidro, Isabela
- Echague, Isabela
- San Mariano, Isabela
- Provincial Government of Quirino
- Provincial Government of Nueva Vizcaya
- Provincial Government of Isabela
Schools and Universities
- Isabela State University
- Santiago City High School
- Rosario Elementary School
- Rosario National High School
- Divisoria National High School
- Rizal National High School
