National and international accreditations/certifications as reported to CHTA by individual members and denoted here by ● :

Member
ISO 9001:2015
ISO 14001
AS 9100/AS EN 9100/
BS EN 9100
Nadcap
Other
Aalberts Surface Technologies Heat Ltd, Blackburn

CQI-9
Aalberts Surface Technologies Heat Ltd, Birmingham


CQI-9
Aalberts Surface Technologies Heat Ltd, Letchworth

Aalberts Surface Technologies Heat Ltd (Nitriding Services)

Aalberts Surface Technologies Heat Ltd (Nitrotec Services)


CQI-9
ADI Treatments Ltd     ISO 18001:2007
Ajax Tocco International Ltd        
Alloy Heat Treatment Ltd
CQI-9
Alpha-Rowen Ltd





Bodycote Heat Treatments Ltd, Chard  
Bodycote Heat Treatments Ltd, Coventry  
Bodycote Heat Treatments Ltd, Derby  
Bodycote Heat Treatments Ltd, Macclesfield  
Bodycote Heat Treatments Ltd, Rotherham    
Bodycote Heat Treatments Ltd, Skelmersdale  
Bodycote Heat Treatments Ltd, Stillington    
Bodycote Heat Treatments Ltd, Stockport  
Century Heat Treatment & Plating Co Ltd        
Flame Hardeners Ltd        
Heat Treatment 2000 Ltd       ISO/TS 16949/CQI-9
Heat Treatments (Northampton) Ltd       CQI-9
Kepston Ltd      
KTH Holts Ltd


Mat-Tech Joining Technologies Ltd      
MTE Heat Treatment Ltd     CQI-9
Quality Heat Treatments Ltd      
Site Heat-treatment Services Ltd        
Special Steels Ltd    
Summitglow Ltd (Harleston St.)        
Summitglow Ltd (Windsor St.)
       
Tamworth Heat Treatment Ltd      
Techniques Surfaces (UK) Ltd        
Thermal Hire Ltd, Wigan        
Thermal Hire Ltd, Hartlepool        
Wallwork Heat Treatment Ltd  
Wallwork Heat Treatment (Birmingham) Ltd  
 
Wallwork Cambridge Ltd

Wallwork Newcastle Ltd

Member
ISO 9001:2015
ISO 14001
AS 9100/AS EN 9100/
BS EN 9100
Nadcap
Other