Systek (Private) Limited is a research and development (R&D) based company that came into being in August 1992. It is an Electronic Engineering enterprise which is engaged in manufacturing and marketing of quality electronic products with its head office located in Karachi, Pakistan.

Systek has carried out R&D in various fields since its inception, which include Power Electronics, Telecommunication, Digital Systems and Computer Software. The company has been ever-vigilant to the changing needs of the market and has aptly responded by launching products periodically to fulfill those needs. The strength of the company lies in its strenuous efforts to study the market and develop products that attempt to solve the problems peculiar to the local environment. The company has has come up with two product lines, the Uninterruptible Power Supplies (UPS) and the Telecommunication Switching Systems. There are various models of these products which are aimed at the office and home markets separately. Besides, it has also been engaged in various custom-made products and projects.

In the field of UPS it was the first firm within the country to introduce a product with large autonomy times. Then it became the first firm to launch a Quasi Sine-wave UPS and later on it also became the first firm to come up with a true On-line, pure Sine-wave UPS made in Pakistan. Lately it has become the first Pakistani firm to produce an Intelligent Line-interactive Sine-wave UPS. It manufactures UPSs from 300 VA to 3 kVA ratings with back-up times from the conventional 10 minutes to more than 6 hours at full load.

In the arena of telecommunication Systek has produced Electronic Private Automatic Branch Exchanges (EPABXs) and Intercom Systems. It's Electronic Switching Systems range from 10 lines to nearly 200 lines in configuration as stand-alone as well as Personal Computer (PC) based systems. There are three different products in this category with various models.