| Sr No. | Office | Contact No. | Address | |
|---|---|---|---|---|
| 1 | Sales & Marketing Office | 0361-2345421, 0361-2345422, 0361-2345423, Fax: 0361-2345419 |
guwahati [at] topcem [dot] in | 4th Floor, Mega Plaza, Christian Basti, Guwahati-781005, Assam |
| 2 | Registered Office and Works | - | meghalaya [at] topcem [dot] in | Thangskai, P.O. Lumshong, East Jaintia Hills, Meghalaya, 793210 |
| 3 | Corporate Office | 033-23340666, 033-23340004, TeleFax: 033-23340505 |
kolkata [at] topcem [dot] in | BE-77, Salt Lake City Sector-1, Kolkata-700064 |
| 4 | Topcem India | 0361-2130087 | - | Silasundri Ghopa, College Nagar, Gauripur, Amingaon-781031, Kamrup |