2N2222
STMicroelectronics
38M2076
Currently the 2N2222 is sourced by manufacturers such as Central Semiconductor, Comset Semiconductor, Fairchild Semiconductor, Micro Commercial Components (MCC), Microsemi Corporation, NTE Electronics, STMicrolectronics and OPTEK Technology.
There are a few related transistors such as the 2N2907 (PNP complement), 2N3904 (1/3 the current with similar characteristics) and the 2N2219 (higher power dissipation rating).
2N2222 Circuit Diagram
2N2222 Pinout Diagram