A few that I’ve liked in recent years are the score for Inception by Hans Zimmer, ramped up the tension brilliantly in the third act. Tron legacy by Daft Punk although I was left a bit flat by the film itself. The score for Solaris by Chris Martinez (had to goole this one) also made the film for me, subtle but very haunting. Going back a bit I really liked the dreamlike score for Total Recall by Jerry Goldsmith (had to google that one too). Anything by John Williams is a given and rightly so. I think John Carpenter also needs a massive honourable mention, love the score for assault on precinct 13.
Also Silvestri for the Back to the Future score, and Toto’s score for Dune can be added to my list