Spouse and I are both electrical engineers, both went to a great state school (minimal debt in my case, none in his because GI bill). We live in a HCOL area. He graduated college 1998, I in 2000. Our salaries are 153k (his) 120k (mine...yes, same degree from same school, working at same company, and I still only make 78% of what he does. Thankfully my current supervisor has worked hard the last few years to make it a smaller gap after I moved over to management). Neither of us work overtime at this point in our careers. I have gone into management but still make less than he does; that tends to vary depending on the company.
Other people I know who make the same (or more) are: Ph.D scientists working in industry (not sure how research compares), manufacturing engineers, IT company owners, program management/planning (often with a technical background although one I know who broke into six digits works for a local construction company), airline pilot, sales, medical field (a friend of ours is an MRI tech and he makes more than I do but works a lot of overtime, I know someone making upwards of 90k but not quite 100k in accounting within a medical group, mostly managing the finance office now).