As far as known this is a guide for you Dutch trains in Trainz
Electric loco's
NS 1000 n/a
NS 1100 https://www.stevado.nl P
NS 1200 http://www.trainzonline.nl
NS 1300 http://www.trainzonline.nl
NS 1500 https://gratisforums.com/dutchtrainz/viewtopic.php?t=26 or https://www.auran.com/DLS
NS 1600 http://www.trainzonline.nl
NS 1700 http://www.trainzonline.nl
NS 1800 http://www.trainzonline.nl
NS 186 http://www.trainzonline.nl
NS 193 https://www.trainz.de/
Diesel loco's
Shunters
NS 200 https://www.stevado.nl P
NS 500/600/700 https://www.stevado.nl P
NS 600
Mainline
NS 2000 https://www.stevado.nl
NS 2200 http://www.trainzonline.nl
NS 2400 https://www.stevado.nl & http://www.amazingmike.nl (P) seems to look out of delivery
NS 2600 https://www.stevado.nl
NS 2800 http://www.trainzonline.nl
Steam
NS 2100 http://www.trainzonline.nl
NS 3700 http://www.trainzonline.nl
NS 3800 http://www.trainzonline.nl
NS 6000 http://www.trainzonline.nl
NS 7700 http://www.trainzonline.nl
DMU
NS 20 Kameel https://www.stevado.nl p
NS DE I & DE II 'Blauwe Engel' https://www.stevado.nl p
NS DE III voor oorlogs pre-war n/a
NS DE III (plan U) post-war https://www.stevado.nl p
NS DE IV https://www.stevado.nl p
NS SBB RAm TEE In progress
NS Wadloper https://www.stevado.nl p
NS Buffels (DM'90) http://www.trainzonline.nl
Stadler GTW http://www.trainzonline.nl (Veolia, Valleilijn, Breng, connection)
Lint http://www.trainzonline.nl
EMU
NS mat 24 In progress
NS mat 35/36 n/a
NS mat 40/46 http://www.trainzonline.nl
NS mat 54 http://www.trainzonline.nl
NS mat 57 n/a
NS mat 64 http://www.trainzonline.nl
plan V & T
NS/PTT mP3000 https://www.stevado.nl p
NS ICM(m) https://www.stevado.nl p
NS SGM(m) In progress
NS SM'90 n/a
NS DM'90 http://www.trainzonline.nl
NS VIRM https://www.auran.com/DLS
NS DDZ http://www.trainzonline.nl
NS SLT In progress In progress
NS Flirt III https://olaf99trainz.blogspot.com
NS SNG (CAF Civity) n/a
NS ICNG (Coradia Stream, Alstom) n/a
Connexxion Protos https://www.stevado.nl p
Stadler flirt III
EMU High Speed
NS international ICE https://www.auran.com/DLS
TGV Thalys http://www.trainzonline.nl
n/a = not available
In progress
p = payware