NSAI (National Standards Authority of Ireland) is Ireland’s official standards body. NSAI are the national certification authority for CE Marking and provides certification services to enable businesses to demonstrate that Irish goods and services conform to applicable standards.

The Sustainable Energy Authority of Ireland was established as Ireland’s national energy authority under the Sustainable Energy Act 2002. The SEAI work with householders, businesses, communities, and the government to create a cleaner energy future.

R.G.I.I. is a wholly owned subsidiary of R.E.C.I. and is responsible for registering gas installers and regulating their activities with respect to safety. Since 2006, the Commission for Regulation of Utilities (CRU) has worked with the gas industry.

OFTEC is the Oil Firing Technical Association. Representing the oil heating and cooking industry in the UK and the Republic of Ireland. OFTEC establishes the standards for competence within the domestic oil heating and cooking industry.

NISO helps it's members to promote and improve health and safety at work, builds relationships with other health and safety stakeholders, and contributes it's expertise to better occupational health and safety in Ireland.