- The Hills Have Eyes
- 2,000 Maniacs
- Dead Birds*
- House of Wax
- Dead End*
- Reeker
- Rest Stop*
- Children of the Corn
- Village of the Damned
- Texas Chainsaw Massacre - the sequels especially play with this concept
- From Dusk Til Dawn*
- Frontière(s)
- Bosque de sombras*
- Eden Lake
- House of 1,000 Corpses*
* = particularly recommended by moi
...
Edit: I just read
all of your initial post, you asking for non-gory films... On that front, I would have to emphasize:
- Dead Birds*
- Dead End*
- Reeker
- Rest Stop*
- Bosque de sombras*