El-Cab is a leading manufacturer of electrical harnesses, control cabinets and electrical control modules for buses, rail vehicles, construction machinery and yachts, as well as medical devices. The company has been operating successfully for over 30 years, both in Poland and on international markets. Since January 8, 2021, El-Cab is a part of the American Amphenol Group.

The company offers comprehensive customer service in the area of sales, technical advice and service support, cooperating with many leading manufacturers of solutions for the railway industry, such as:
- BEDIA Motorentechnik - level monitoring sensors and temperature switches 
- Bosch Car Multimedia - audio-video systems, navigations, microphones
- Hübner - bumper elements and front spoilers, folding bellows for articulated vehicles, rubber profiles and seals, articulation systems
- ROSHO - video monitoring systems, management, cameras and image display devices (monitors), TurnCam - turning assistant.