TIWAC has been approved by all the prominent agencies across industries. Some of the key names are illustrated below.

  • Steel Authority of India Limited.– BHADRAVATI; DURGAPUR; SALEM; BOKARO; BHILAI
  • Nuclear Power Corporation Limited – NPCIL
  • Goa Shipyard Ltd
  • Engineers India limited (EIL)
  • India Boiler Regulations (IBR)
  • Metallurgical Engineering and consulting and consultants of India (MECON)
  • Indian Farmers and Fertilizers Co-op. Ltd.- IFFCO
  • Director General of Quality Assurance – DGQA
  • Engineers India Ltd
  • Projects and Developments India Ltd. – PDIL
  • Bharat Pumps and Compressors Ltd. – BPCL
  • Bharat Heavy Electricals Ltd. – BHEL
  • Bharat Heavy Plates and Vessels Ltd. – BHPV
  • Avant Garde Engineers and Consultants Ltd
  • Bharat Heavy Electricals Limited – EDN-Bangalaore, Hyderabad, ISG, Ranipeth
  • Vizag Steels – RINL
  • Mazagaon Dock Limited – MDL
  • TUV India Limited – ISO 9001:200.