Some well-known automotive relay manufacturers include:

TE Connectivity – A global leader in connectivity and sensor solutions, TE Connectivity produces a wide range of automotive relays used in different vehicle systems, including engine control, lighting, and safety systems. Bosch – Known for its automotive components, Bosch manufactures relays for both original equipment (OE) and aftermarket markets. They offer relays for various automotive applications, including power distribution and control circuits. Omron Corporation – A leading manufacturer of electronic components, Omron produces automotive relays that are highly reliable, durable, and suitable for use in automotive environments with stringent quality standards.