NEBOSH 
National Examination Board in Occupational Health and Safety
https://www.nebosh.org.uk/home/
NEBOSH is a leading global organisation, which provides health, safety and environmental qualifications. Our internationally recognised qualifications help to raise the competence of safety and environmental professionals as well as individuals at all levels in the workplace.
Since our inception in 1979 more than half a million people from around the world have studied for a NEBOSH qualification. Tens of thousands join their number every year studying with our network of 600 Learning Partners in over 132 countries.
IOSH 
Institution of Occupational Safety and Health
We’re a world-leading developer of certificated safety and health training courses. Our courses provide insights and practical tools so that individuals and organisations can create safer and healthier working environments. By promoting a safety and health culture in which everyone plays their part, our courses help to reduce sickness absence, improve productivity and bring about other organisational benefits.
We’re constantly developing innovative programmes for people in all industrial and business sectors and all types of organisations worldwide. IOSH training is delivered by our global network of licensed training providers. Our tailored course approval service supports training partners in developing IOSH-approved safety and health training courses
CITB 
Construction Industry Training Board
CCNSG 
CIEH 
Chartered Institute of Environmental Health
ECITB 
Engineering Construction Industry Training Board