- 1980s – 2001: Singapore Bus Services Ltd
- 2001 – 25 Jun 2016: SBS Transit Ltd
- 26 Jun 2016 – Present: Tower Transit Singapore Pte Ltd
The Bus Service Operating License (BSOL) for this route will be renewed in 2026 under the Bulim Bus Package.
- 1984: Original route as Jurong East – Jurong West St 42 (Loop)
- 2010 (28 Feb): Designated wheelchair-accessible bus service (WAB)
- 2011 (17 Dec): Amended to Jurong East Temp Int.
- 2016 (26 Jun): Operations handed over to Tower Transit Singapore Pte Ltd from SBS Transit Ltd
- 2019 (05 Oct): Last bus timing from Jurong East amended from 0105hrs to 0115hrs.