Sterling Thermal Technology has been awarded several certifications by recognised certification bodies.
ISO:9001 by Lloyd’s Register
We achieved certification for both of our manufacturing sites against 
the international Quality Management System standard, ISO 9001. Independently audited by Lloyd’s Register, their assessors recognised us as committed to quality, meeting customer requirements and continual improvement.
CIPS Sustainability Index
‘Rated Supplier’ on the CIPS Sustainability Index, we demonstrate we operate our business in an environmentally, socially responsible and ethical way.
Achilles
Furthermore, we comply with Achilles' requirements and directions. As a consequence, we are fully registered as a heat exchanger manufacturer on the Achilles First Point Assessment Database. This database is for suppliers to the oil & gas industry. In addition, we are qualified in the Achilles Joint Qualification System for suppliers to the oil industry in Norway and Denmark.
Bureau Veritas
Bureau Veritas certified our tube heat exchangers against their requirements for the classification of steel ships and offshore units.
ASME
We are authorized by the American Society of Mechanical Engineers (ASME) for manufacturing pressure vessels and miniature pressure vessels at our Aylesbury manufacturing facilities, in accordance with the applicable rules of the ASME Boiler and Pressure Vessel Code.
