For last 23 25 years, IQS is providing services to domestic and international industries. There are many customers but few of them are mentioned here.
- HLE Engineers Private Limited
- I Design
- Indian Oil Corporation Limited (IOCL)
- Intervalve (India) Ltd.
- JCB India
- Jiangyin Uni-pol Vacuum casting Private Limited
- Jsons Foundry Private Limited
- KCPC, Japan
- Kirloskar Brother Limited
- KSB Pumps Ltd.
- L & T Limited
- Leybold India Private Limited
- Mahindra CIE
- Nuclear Power Corporation of India Ltd.
- PARI
- Praj Industries Limited
- QTPC, Qatar
- Radiant Engineers
- Reliance Industries
- Sandvik India
- Seam Industries
- SGS India Pvt. Ltd.
- Sulzer India Ltd.
- Suzlon Energy Ltd.
- Tata Motors Limited