Here are the answers:
MAIN STREET USA
1. B Santa Fe
2. The Red Wagon Inn
3. The Upjohn Company
4. C Abraham Lincoln
FANTASYLAND
1. C Casey Jr. Circus Train
2. Big Rock Candy Mountain
3. 72
4. The White Rabbit
TOMORROWLAND
1. Submarine Voyage
2. Wernher von Braun
3.The Swiss company
4. Adventure Thru Inner Space
ADVENTURELAND
1. "Large ever-blooming Disney tree"
2. Mara
3. Monorail & Jungle Cruise
4. Swiss Family Tree House
FRONTIERLAND/CRITTER COUNTRY
1. The Aunt Jemima Pancake House
2. Bear Country
3. It was an anniversary gift from Disney to his wife, Lillian.
4. Nature's Wonderland attraction
MICKEY'S TOONTOWN
1. Mickey Mouse
1 Neighborhood Lane
Mickey's Toontown
2. MICKEY 1
3. Goofy runs the gas station and Daisy operates the diner.
4. The Chinny Chin Chin Construction Company