Fischer Connectors offers circular brass coaxial connectors in low and high voltage configurations. Other types include multipole low and high voltage, triax, mixed coax, and mixed high voltage.

Positronic offers industrial and military quality D-subminiature connectors with mixed contact sizes for signal, power, coaxial, thermocouple and high voltage applications. Features include size 8 power, coax, air and high voltage contacts.

Connectronics Corp. manufactures specialized coaxial connectors. Types include commercial, nuclear, hermetically sealed, thermocouple, high and low voltage, and high current. Other coax connectors offered include those for X-ray and laser equipment.