| Company Name | Phone | Fax | Email | Web | Description |
| Zarrin Paint Industrial Manufacturing Co. | (0312)27442233 | | | | |
| Zohrab Co. | 7342514,7322243 | 7331407 | | | |
| Zarrin Nylon Co. | 5802598, 5814411, 5814400 | | | | |
| Zivar Khodro Co. | 5010000 | 5020984 | | | |
| Zarrin Plastic Nilgoon Co. | 8834873, 8834478, 8844570 | 8844570, 8834478 | sashplas@afranet.com | | |
| Zand Rubber Co. | 8744062 | 8744063 | zandrubber@yahoo.com | | |
| Zeydar Plast Manufacturing & Industrial Co. | 7342501, 7339297 | 7339545 | | | |
| Zomorrod Plastic Co. | 5202600 | | | | |
| Zarif Plastics Manufacturing Co. | 6690777, 6694671 | | | | |
| Zadfar Manufacturing Co. | 3701642,3006464 | | | | |