Services for O
- Oak Road
- The Oak Tree Academy
- The Oak Tree Academy
- Oakdene Primary School
- Oakdene Primary School
- Oakhouse Foods - Home delivery
- The Oaklea Trust
- The Oaks Secondary School
- Oakwood Home Learning
- OCD Action (Obsessive Compulsive Disorder)
- OCD-UK (Obsessive Compulsive Disorder)
- Octago - Games Group - Yarm Methodist Church Hall
- OFCMA
- Ofsted
- Old School Cafe - Thornaby Family Hub
- Om Shanti Yoga - Billingham Family Hub
- On Target Support
- One Step Forward Line Dancing - Ingleby Barwick Community Hall
- OneCall
- Only Dads
- Only Mums
- Onsite Building Trust
- Operation Encompass
- Opticians
- Orchard Care (North East) Home and Health Care Specialists
- Our Funhouse
- Our Lady and St Bede's RC School
- Our Lady of the Most Holy Rosary RC Voluntary Aided Primary School
- Our Lady of the Most Holy Rosary RC Voluntary Aided Primary School
- Outwood Academy Bishopsgarth
- Ovacome
- The Oval Childcare - Day Nursery
- The Oval Childcare - Out of School
- Over 50's Group - Ingleby Barwick Community Hall
- Over 50s Dance - Yarm Fellowship Hall
- Oxbridge House - Residential Care
- Oxbridge Lane Primary School
- Oxbridge Lane Primary School
- Oxfam
- Oxford Home Study Centre (Free Courses with Certificate)