The following teams never built their own chassis. They are not considered "constructors":
ð ə WORD_BOUNDARY f ɑ l oʊ ɪ ŋ WORD_BOUNDARY t iː m z WORD_BOUNDARY n ɛ v ə ɹ WORD_BOUNDARY b ɪ l t WORD_BOUNDARY ð ɛ ɹ WORD_BOUNDARY oʊ n WORD_BOUNDARY t̠ʃ æ s i WORD_BOUNDARY ð eɪ WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY n ɑ t WORD_BOUNDARY k ə n s ɪ d ə ɹ d WORD_BOUNDARY k ə n s t ɹ ʌ k t ə ɹ z WORD_BOUNDARY