How Many Surfskate Trucks are There?

You can see my list of what I think are the best surfskates here.
For those curious, in this article I simply want to list all the surfskate trucks and surfskate companies I’ve been able to find so far. I count 20 original surfskate truck designs, 6 “questionable” surfskate trucks, and 52 companies selling some version of what they call a surfskate.
If you know of any others that aren’t on this list, please comment below and I’ll add it to the list.
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Original Surfskate Truck Designs
Some surfskate trucks are original designs, while others are clones of the originals.
Here are all the original surfskate trucks I’ve been able to find (in alphabetical order):
1. Aquilo Twin Spring Surfskate Adapter
2. Carver C5
3. Carver C7
4. Carver CX
5. Curfboard
6. Maui & Sons Caster Truck
7. OVNI Andromeda
8. OVNI Orion
9. OVNI Sirius
10. Slide V3
11. Smoothstar Thruster
12. Smoothstar Thruster D
13. SpiceSkate SpicePilot
14. SpiceSkate Okto
15. Surfeeling Alpine Trucks
16. SwellTech
17. Waterborne Surf Adapter
18. WoodDetail Surftruck
19. YOW S4/S5
20. YOW Meraki
“Questionable” Surfskate Trucks
The truck designs below provide some form of pumping and carving, and could loosely be categorized as surfskate trucks. However, it seems to me that these should be in a category all their own, because all of them perform so much differently than the surfskate trucks listed above.
1. Carveboards
(This is the best picture I can find of these. Let me know if you find a better one. I also think they’re out of business.)
2. Gullwing Sidewinder II
3. Original S6 Longboard Trucks
(Hamboards HST 200 Trucks are a Copy of This)