| Company Name | Phone | Fax | Email | Web | Description |
| Rahbar Plastic Commercial Industrial Co. | 7339477 , 7338368 , 7328892 | 7326181 | rahabr@apadana.com | | |
| Resa Rang Co. | (0312)5826246 | | | | |
| Royal Co. | (0311)2659326 | | | | |
| Rafi Machine Manufacturing Co. | 7334579 | 7327746 | | | |
| Rangin Machine Manufacturing Co. | (0511)6652688 | (0511)6652688 | | | |
| Ram Plastic Co. | 637790,633246,8020115 | 8006500 | | | |
| Ramo Manufacturing Co. | 8908851,8906446 | 8903762 | Ramo-alagha@yahoo.com | | |
| Resalat Co. | 7340286,7349143 | 7329444 | | | |
| Resitan Co. | 2020521-5 | 2020486 | resitan@dpir.com | | |
| Rangin Ab Chimie Co. | (0262)3520202 | (0262)3520202 | ranginab@hotmail.com | | |