Motorola/ONSemi, in disassociation with the KEC supply chain, has finally discontinued support for any remaining TO92 packaged parts (PD20685). It's not as though they've actually made any in an ON brand name plant for some time; so it's a (possibly not) surprisingly (definitely) short list.
2N3904H
2N3904RLRAH
2N4124G
2N4401G
2N4401RLRAG
2N5060G
2N5060RLRAG
2N5060RLRMG
2N5061G
2N5061RLRAG
2N5062G
2N5062RLRAG
2N5064G
2N5064RLRAG
2N5064RLRMG
2N5087G
2N5087RLRAG
2N5088G
2N5089G
2N5401G
2N5401RLRAG
2N5550G
2N5550RLRPG
2N5551G
2N5551RL1G
2N5551RLRAG
2N5551RLRPG
2N5551ZL1G
2N6027G
2N6027RL1G
2N6027RLRAG
2N6028G
2N6028RLRAG
2N6028RLRMG
2N6028RLRPG
2N6426G
2N6426RLRAG
2N6427G
2N6427RLRAG
2N6520RLRAG
2N7000G
2N7000RLRAG
2SA1020RLRAG BC237BG BC237BRL1G BC327-025G BC327-25RL1G BC327-25ZL1G BC327-40ZL1G BC337-025G BC337-040G BC337-25RL1G BC337-25RLRAG BC337-25ZL1G BC337-40RL1G BC337-40ZL1G BC337G BC337RL1G BC369ZL1G BC373RL1G BC490G BC517G BC517RL1G BC517ZL1G BC546BG BC546BRL1G BC546BZL1G BC547BG BC547BRL1G BC547BZL1G BC547CG BC547CZL1G BC548BG BC548BRL1G BC548BZL1G BC548CG BC549CG BC550CG BC556BG BC557BG BC557BRL1G BC557BZL1G BC557CG BC557CZL1G BC560CG BC637G BC637RL1G BC639-16ZL1G BC639G BC639RL1G BC639ZL1G BC640-016G BF423ZL1G BF493SG BS107ARL1G BS108ZL1G J112G J112RLRAG J310G LMAC94A4G MAC97A4G MAC97A6G MAC97A6RL1G MAC97A6RLRFG MAC97A6RLRPG MAC97A8G MAC97A8RL1G MAC97A8RLRMG MAC97A8RLRPG MAC997A6G MAC997A8G MAC997A8RL1G MAC997A8RLRPG MAC997B6G MAC997B6RL1G MAC997B8G MAC997B8RL1G MBD301G MCR100-3G MCR100-3RLG MCR100-4G MCR100-4RLRMG MCR100-6G MCR100-6RLG MCR100-6RLRAG MCR100-6RLRAGH MCR100-6RLRMG MCR100-6RLRMGH MCR100-6ZL1G MCR100-8G MCR100-8RLG MCR22-2RL1G MCR22-6G MCR22-6RLRAG MCR22-6RLRPG MCR22-8G MCR22-8RL1G MPF4393RLRPG MPS2222AG MPS2222ARLG MPS2222ARLRAG MPS2222ARLRMG MPS2222G MPS2222RLRPG MPS2907AG MPS2907ARLG MPS2907ARLRAG MPS4124RLRAG MPS4250G MPS5172RLRMG MPS650G MPS650RLRAG MPS650ZL1G MPS651G MPS651RLRAG MPS651RLRMG MPS6726G MPS750RLRPG MPS751G MPS751RLRAG MPS751RLRPG MPS751ZL1G MPS8099G MPS8099RLRAG MPS8099RLRPG MPSA05G MPSA05RLRAG MPSA05RLRMG MPSA06G MPSA06RL1G MPSA06RLG MPSA06RLRAG MPSA06RLRMG MPSA06RLRPG MPSA13G MPSA13RLRAG MPSA13RLRMG MPSA13RLRPG MPSA13ZL1G MPSA14G MPSA14RLRAG MPSA14RLRPG MPSA18RLRAG MPSA18RLRMG MPSA27G MPSA27RLRAG MPSA29G MPSA29RLRPG MPSA42G MPSA42RL1G MPSA42RLRAG MPSA42RLRMG MPSA42RLRPG MPSA42ZL1G MPSA55G MPSA55RLRAG MPSA56G MPSA56RLRAG MPSA56RLRMG MPSA56RLRPG MPSA56ZL1G MPSA92G MPSA92RL1G MPSA92RLRAG MPSA92RLRMG MPSA92RLRPG MPSA92ZL1G MPSH10G MPSH10RLRPG MPSW01AG MPSW01ARLRAG MPSW01ARLRPG MPSW01G MPSW05G MPSW06G MPSW06RLRAG MPSW42G MPSW42RLRAG MPSW45AG MPSW45ARLRAG MPSW45AZL1G MPSW45G MPSW51AG MPSW51ARLRAG MPSW51ARLRPG MPSW51G MPSW55G MPSW56RLRAG MPSW56RLRPG MPSW92RLRAG MV104 NCR169DG NCR169DRLRAG NYC008-6JG NYC008-6JRLRAG NYC008-6JRLREG P2N2222AG PN2222AG PN2222ARLRAG PN2222ARLRMG PN2222ARLRPG SCR100-6RLRAG SCR15140G SCR22-6RLRPG SCR5162-005 SCR5257G SPS8751QRLRMG SPS8913QRLRMG SPS8913QRLRPG SPS9498QRLRPG SYY98005RLREG TP00203G TP00247ZL1G Z0103MAG Z0103MARL1G Z0103MARLRFG Z0103MARLRPG Z0107MAG Z0107MARL1G Z0107MARLRFG Z0107MARLRPG Z0109MAG Z0109MARL1G Z0109MARLRFG Z0109MARLRPG