While you can argue that Proto:87 is more than merely about wheels and track, but about a whole modeling philosophy, wheels and track are the hard bits. So, we offer the following sources for them

AMJL are making some of their new releases, such as their BB 66000, available in Proto:87
Apogée Vapeur
Sell fine kits of the golden age of steam in France, including locomotive wheels
Artisan who will and has produced Proto:87 trackwork
Club Proto 87
Club Proto 87 also offers some products
Wheel and gauge specialist for Proto:87 concentrating on the Dutch scene
Fast Tracks
Fast Tracks can supply their fixtures for Proto:87.
The hopur magazine
Lematec started offering some of their brass locomotives in Proto:87 in 2010
Micro Metakit
Can anyone confirm if this manufacturer is offering anything in Proto:87? Post to the comments, please
Proto:87 Stores
Most everything Proto:87 can be bought here
Railflyer Model Prototypes
Offers some Proto:87 diesel wheels, and a very interesting drive mechanism
Railway Engineering
Railway Engineering will build Proto:87 turnouts to order
Has some Proto:87 wheels

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