Fantazia held a party in conjunction with them in 1992.   Takes You on an Unforgettable Journey.

Quest hosted collaborations with a number of other promoters, like Obsession & Dreamscape, as well as Fantazia.

Gerald & Carl later went on to form Cocoon (along with MC Majika) which held events at the Que Club in 1997.

Quest - Eventography:

Quest (Palomas) Judge Dread (Sep 91)
Quest (Palomas) (12 Oct 91)
Quest - Star (7 Dec 91)
Quest - crystal ball (14 Apr 92)
Quest - Judge Dread (Apr 92)
Quest / Entropy - Dance Nation (18 Jul 92)
Quest - Biggest Birthday (Fantazia) (5 Sep 92)
Quest - compass (7 Nov 92) - paid (eB Mar 04)
Quest - Seasonal Greetings (5 Dec 92)
Quest - 1993 (2 Jan 93)
Quest - Keep The Fire Burning (3 Apr 93)
Obsession @ Quest - Rage (24 Apr 93) 
Quest - Turn On Tune In Drop Out (1 May 93)
Club Dreamscape at Quest (3 Jul 93)
Quest - Magic... At Christmas (4 Dec 93)
Quest - Mashed (5 Mar 94)
Quest - Wild Frontier (30 Apr 94)
Quest / Fibre Optic - Promised Land (6 Aug 94)