RAH-AFZAR-TARH Co. Ltd. is a software development company, dedicated to providing software solutions to companies engaged in a variety of engineering and construction services, which constitute our clientele.
Whether grass-root software or customization of existing software, tailored to the specific needs of clients, RAH-AFZAR-TARH is able to address the task proficiently and to minimum cost.

Since 1990, we have developed a series of application software for :
Route analysis and design, pertaining to roads and highways, railways and pipeline projects (CSDP for Windows) , canal and drainage projects (CSDP-CD for Windows) , mapping, CAD and GIS, enabling creation of presentations with multimedia capabilities, which is truly an ultimate solution to domestic projects in civil engineering, route design and engineering , (CSDPMAP for Windows) , working with highway cross sections having two project levels at left and right of route’s (CSDP+ for Windows) , working with the 3d model of route in (CSDP-Scene for Windows) . And CSDP-Pro for Windows , the new generation of CSDP applications software with Two of the most important features about Plan mode, and also automatic design Project Line for Roads and Railways .

In addition to providing our clients with various software solutions, We provide them with technical support, operator training and after sales trouble shooting services.
Our client base has facilitated continuous contact and liaison with new clients, through referrals. We have on numerous occasions been successful in customizing off-the-shelf software to client's particular needs, providing them with effective software, solutions and orientation services which has resulted in our sound reputation.
We are in a fortunate position to act as promoters of new priority software solutions, by others, whilst being able and willing to fill the post-sale, training and technical support services gap.

Our support services, to local consulting engineering companies and contractors, during the past thirty-three years has now encouraged us to look for collaboration with international companies in the international market.
In this respect we would enthusiastically welcome discussing such cooperation and would be keen to propose a format for collaboration, whether in Iran or abroad.

Should there be any reciprocal inclination on your part please indicate your positive response for further exchanges.