Net - Offs
- Net Present Value
- Network Management System
- Nitrogen production module
- nitrogen storage vessel
- nitrogen surge vessel
- Non Directional Beacon
- Non Intrinsically Safe
- Non-addressable fire alarm
- Non-Government Organisation
- Non-intrusive temperature element
- Non-intrusive ultrasonic flowmeter
- Non-woven geotextile
- Normal and emergency power supply main generation and distribution plant
- Normally Occuring Radioactive Material
- North West Kazakhstan Contractors
- North West Kazakhstan Contractors Limited Liability Company
- Occupational Health
- Off-spec Crude Oil
- Off-spec Crude Oil Return Pump
- off-spec crude oil return pump
- Off-spec water
