- Aroma Engineering Co. (Rajkot)
- Banco Products (INDIA) LTD. (Baroda)
- Bhavani Group of Industries, (Rajkot)
- Comfort Technology (Surat)
- Gokul Diesel Spares. (Rajkot)
- Hi-Tec Auto Parts (Rajkot)
- Indo German Industries. (Rajkot)
- KSP Auto & Forge PVT. LTD. (Hadamtala,Rajkot)
- Liners (India) LTD. (Vijayawada, AP.)
- Microfine Auto Parts PVT. LTD. (Rajkot)
- Nohata Industrial Corpo. (Jodhpur)
- Omicron Engineering Ser. (Waluj, MH)
- Renown Engineering Works (Rajkot)
- Sagar International (Agra)
- Sar Auto Products LTD. (Shapar, Rajkot)
- Shree Patel Industries. (Surendranagar)
- Super Auto Forge LTD. (Pune)
- Vikrant Tools Co. (Nasik)