I have a layered approach.
MREs - U.S. Military, U.S. Commercial, Canadian, French, Dutch, Norwegian.
Packit Gourment - 2 year shelf life, get rotated annually, expensive but damn good.
Backpackers Pantry and Alpine Air - A small assortment of freeze dried meals that we liked. Not fond of most of their meals.
Peak Refuel - officially a 5 year shelf life, get rotated often due to camping and backpacking trips.
Mountain House - 30 year shelf life, both pouches and #10 cans, I have a 300+ pouches and accumulate faster than I use.
LDS - 20 to 30 year shelf life, #10 cans of wheat berries, flour, onions, potato flakes, carrots, apples as ingredients for cooking meals.
Augason Farms - 10 year shelf life, potatoes, scone mix, pancake mix, black bean burger, powdered milk, eggs, banana chips, powered honey, butter powder, freeze dried fruits.
NutriStore - 25 year shelf life, freeze dried meat, vegetables, and cheese.
Self packaged in mylar with O2 absorbers - 20 to 30 year storage life, TVP, rice, flour, oats, pasta, beans, spices, lentils, wild rice, chia seeds, hard candy, instant coffee, cocoa powder.
Packaged w/o O2 absorbers - sugar, salt, baking soda.
A couple of 1.75 liter bottles of homemade vanilla.
Harmony Foods and Lost Lakes dried vegetables (soup mix).
OvaEasy Egg Crystals
Bega Canned Cheese
Red Feather Canned Butter
Some assorted Ready Wise but this is for handing out to others or just never eat.
About a year's worth of what we eat in canned goods and a two to three year supply of common household consumables and non-prescription meds.