a few more i'd like to add..some of these may go into the 80s and may be more metal..but some pop as well

Starz
Prism
Ram Jam (Famous for Black Betty,but had other good songs as well
Angel
Angel City
Riot
Alcatrazz
Marillion
Hocus Pocus
Wet Willie
Mothers Finest
Axe
Angelwitch
John Butcher Axis
The Kings
The Rockets
Ozark Mountain Daredevils
Black Oak Arkansas
Camel
Vanilla Fudge
Doucette
City Boy
Sweet
Brownsville Station
Argent
Nantucket
Point Blank
Shooting Star

Moxy.

We could also add

Fraction - Moon blood ( 1971 )
US bluesy rock with harsh vocals.. The first three songs are amazing
https://www.youtube.com/watch?v=TX0FelPu-tA

And Granicu's s/t album of 1973
Sounds like Zeps.. https://www.youtube.com/watch?v=ALByuLRBbs0
https://www.youtube.com/watch?v=0JMvCGPUY_c

I'd definitely say Home. Wishbone Ash's Laurie Wisefield was in it from around 1967 to 1974, and so was Cliff Williams of AC/DC. Great band.

Masters Of Reality!

Bachman, Turner Overdrive. Some great guitar work and all around great writing.