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

Member
ISO 9001:2015
ISO 9001:2008
ISO 14001
AS 9100/AS EN 9100/
BS EN 9100
Nadcap
Other
ADI Treatments Ltd
    ISO 18001:2007
Ajax Tocco International Ltd          
Alloy Heat Treatment Ltd

CQI-9
Alpha-Rowen Ltd






Beta Heat Treatment 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, Skelmersdale
 
Bodycote Heat Treatments Ltd, Stillington
   
Bodycote Heat Treatments Ltd, Stockport
 
British Heat Treatments
     
Century Heat Treatment & Plating Co Ltd          
Clayton Thermal Processes Ltd
       
Express Heat Treatments          
Flame Hardeners Ltd
       
Gloucester Heat Treatment Ltd
   
Hauck Heat Treatment, Blackburn


CQI-9
Hauck Heat Treatment - Birmingham



CQI-9
Hauck Heat Treatment - Cheltenham


Hauck Heat Treatment - Letchworth


Hauck Heat Treatment (Nitriding Services)


Hauck Heat Treatment (Nitrotec Services)



CQI-9
Heat Treatment 2000 Ltd         ISO/TS 16949/CQI-9
Heat Treatments (Northampton) Ltd
      CQI-9
Howco Special Processing
     
Keighley Laboratories Ltd
  BS EN ISO 17025
Kepston Ltd
     
KTH Holts Ltd



Mat-Tech Services Ltd
     
MTE Heat Treatment Ltd
    CQI-9
National Heat Treatment Centre 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 9001:2008
ISO 14001
AS 9100/AS EN 9100/
BS EN 9100
Nadcap
Other