Updated List: I’ve added some brand and model information to some of the items.

PLB and Sat phone w/ 3 batteries (split between riders) (ACR Aquafix, Iridium 9555; borrowing plb from brother in-law otherwise I’d purchase the SARlink)
current paper trail map and compass. (will obtain from outfitter/local club)
GPS with trail map (Garmin 400t with trail maps of area)
MSR Dragon fly stove and two 20 oz bottles of white fuel.
stormproof matches (REI)
strike anywhere matches stored in a water proof case.
flint, steel, dryer lint, magnesium chips, permalog type emergency tinder balls.
pocket knife (Kershaw ATS 34 model 1341
aircraft duct tape and foil tape
stow able shovel (Avitech t3)
15' tow strap
signal laser (red) (AixiZ Laser – 650nm 200mw w/ a 3x focusable spot lens, and cross and line lens 90 degree fan spread – very easy to hit a target!)
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multi-tool (Leatherman Supertool 200)
60ft nylon rope
energy bars, peanut butter, jerky and cheese
LED flashlight and headlamp (Maglite 3xAA)
toilet paper
tarp for wind break, roof shelter.
whistle
10 ft tubing for siphoning gas.
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Hotronics M4 foot warmers (these are wicked awesome - forgot to mention these previously).
Chemical heat packs (hand and feet)
PFAK
folding saw
Tang/Jello mix (warming drink or snow marking)
safety pins
sewing kit
ziploc bags
zip ties
TP pack
water purification tablets
ixed blade and sheath (Cold Steel Recon Scout)
FAK
aluminum foil
garbage bag
Sam splint.
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Spare pair of gloves (medium weight to reduce space in pack - can be used on sled in a pinch.)
Sled handlebar gauntlets (hand protection from wind)

Interested in a recommendation for a folding or wire saw. I was reading online a wire saw can be used to reach limbs in hard to reach places like above ground by adding some rope and thrown over the limb. Which type of saw is more practical?