- PHILIPS LVQ 212 ballast is made by HELLA.
- PHILIPS D1 ballast (1st row second from top) is made by PHILIPS.
- PIAA ballast is the same as AROMAT, NAiS, Panasonic, Koito, Raybrig and Stanley.
- McCulloch ballast is a proprietary design in use by BOSCH.
- Stanley ballast is Matsushita (also used by Bellof) newer design.
- (NOT PICTURED) Denso (Toyota), OSRAM SYLVANIA D2 and D1 ballast