2020-21
a. ISMT Enterprises S.A. , Luxembourg 2020-21 
b. Structo Hydraulics AB , Sweden 2020-21 
c. ISMT Europe 2020-21 
d. Indian Seamless Inc , USA 2020-21 
e. Tridem Port and Power Co. Pvt. Ltd 2020-21 
f. Nagapattinam Energy Private Limited 2020-21 
g. PT ISMT Resources , Indoneisa 2020-21 
h. Best Exim Private Limited 2020-21 
i. Success Power and Infraprojects Pvt. Ltd. 2020-21 
j. Marshal Microware Infrastructure Development Co. Pvt. Ltd 2020-21 
2019-20
- a. ISMT Enterprises S.A. , Luxembourg 2019-20

- b. Structo Hydraulics AB , Sweden 2019-20

- c. ISMT Europe 2019-20

- d. Indian Seamless Inc , USA 2019-20

- e. Tridem Port and Power Co. Pvt. Ltd 2019-20

- f. Nagapattinam Energy Private Limited 2019-20

- g. PT ISMT Resources , Indoneisa 2019-20

- h. Best Exim Private Limited 2019-20

- i. Success Power and Infraprojects Pvt. Ltd. 2019-20

- j. Marshal Microware Infrastructure Development Co. Pvt. Ltd 2019-20

2018-19
- a. ISMT Enterprises S.A. , Luxembourg 2018-19

- b. Structo Hydraulics AB , Sweden 2018-19

- c. ISMT Europe 2019-20

- d. Indian Seamless Inc , USA 2018-19

- e. Tridem Port and Power Co. Pvt. Ltd 2018-19

- f. Nagapattinam Energy Private Limited 2018-19

- g. PT ISMT Resources , Indoneisa 2018-19

- h. Best Exim Private Limited 2018-19

- i. Success Power and Infraprojects Pvt. Ltd. 2018-19

- j. Marshal Microware Infrastructure Development Co. Pvt. Ltd 2018-19

2017-18
2015-16
2014-15