1.Southern Referacters -Tiruvarur.
2.R.V Refrecters - Tiruvarur.
3.Narimanam silicate - Tiruvar.
4.Madras Chemical - Nagapattinam.
5.Diamond Silicate - Thiruvarur.
6.Guru Fabrication - Thiruvarur.
7.Chakra Engineering - Thiruvarur.
8.Thirumalai Rolling Mill - Thanjavur.
9.Vijay Steel Rolling Mill - Trichy.
10.Vela Industries - Perundurai.
11.Ruby Engineering - Tirupur.
12.Eswaran Engineering - Tirupur.
13.Ezhil Industries - Trichy.
14.Sunmax Engineering - Trichy.
15.Punitha Engineering - Trichy.
16.MM Forgings - Viralimalai
17.Keerthika Engineering - Viralimalai
18.V.N.G bedding - viralimalai

19.venkateswara bedding - viralimalai
20.Matha Ceramic - virudhachalam
21.RR Ceramics - virudhachalam
22.Arun Refractories - Ulundurpet
23.Aar Vee pipe - Pondicherry
24.MediCarvin - Thanjavur
25.Meenachi Industries - Madurai
26.Supper Run Product - Madurai
27.Sane Tech Engineering - Tiruvarur.
28.Sri Ragavendra - coimbatore
29.Daarsel International - Trichy
30.sivakami ammal machines - Tirupur
31.Kamachi Chemicals - Karaikkal
32.Saratha Ceramic Pvt Ltd - Chennai
33.Sree Ganesha Engineering - Tirupur
34.Vijaya Chemicals - Trichy
35.Xtreme Therrmal Xperts - Coimbatore.
36.Pon Industries - Chennai.