Below is a list of Pin Connectors manufacturers from Iowa. Pin connectors are a type of electronic connector meant to connect two or more electrical circuits by using pins, which are short, straight, stiff pieces of wire, with a blunt head and a sharp point. Almost every type of electronic connector involves some type of pin, which is typically associated with a male electronic connector, as pins provide the ability to be inserted into female electronic connectors or receptacles, also known as plugs.