Some levels have very limited choice in methods for saving the maximum possible, so the results can be read off the now-complete "skills you need for maximum %" challenge. I think the following fall into this category, but one of the experts should look over my list before I add them:
Taxing 18 -- 12 ("skills you need" says 10 builders, but min-skills also uses the floater and basher)
Taxing 28 -- 16 (1 climber, 1 floater, 1 bomber, 1 blocker, 8 builders, 3 bashers, 1 miner)
Mayhem 10 -- 31 (1 climber, 3 floaters, 1 blocker, 20 builders, 4 bashers, 2 diggers)
Wild 5 -- 9 (2 bombers, 3 blockers, 4 builders)
Wild 13 -- 9 (2 climbers, 2 bombers, 2 builders, 2 bashers, 1 miner)
Wild 18 -- 12 (2 bombers, 10 builders)
Wicked 1 -- 4 (1 bomber, 1 basher, 1 miner, 1 digger)
Wicked 4 -- 24 (4 climbers, 1 bomber, 18 builders, 1 basher)
Wicked 7 -- 6 (4 bombers, 2 blockers)
Wicked 9 -- 21 (1 floater, 20 builders)
Wicked 10 -- 13 (1 floater, 1 blocker, 10 builders, 1 digger)
Wicked 12 -- 11 (1 bomber, 2 blockers, 7 builders, 1 miner)
Wicked 17 -- 6 (6 builders)
Wicked 19 -- 8 (6 builders, 2 bashers)
Wicked 20 -- 8 (1 blocker, 6 builders, 1 digger)
Havoc 2 -- 15 (1 climber, 1 floater, 11 builders, 2 diggers)
Havoc 7 -- 26 (10 climbers, 10 builders, 2 bashers, 2 miners, 2 diggers)
Havoc 10 -- 11 (2 climbers, 2 floaters, 2 bombers, 1 builder, 2 miners, 2 diggers)
Havoc 13 -- 11 (9 builders, 1 basher, 1 miner)
Havoc 15 -- 19 (17 builders, 1 basher, 1 digger)
Havoc 16 -- 11 (1 climber, 8 builders, 2 miners)
Havoc 17 -- 11 (1 blocker, 7 builders, 1 basher, 1 miner, 1 digger)