He's general manager of Quaker State Coal, controlling interest in the company owned by Seth Lord.
7 seconds sound clip from the The Philadelphia Story movie soundboard.
You can hear this line at 00:24:11 in the Blu-ray version of the movie.
Quote context
[...]
- The family will be down to welcome you in a moment.
- They're terribly, terribly happy to have any friends of Junius's here.
- They don't know about us, do they?
- Look, our research department didn't give us much data.
- This fiancé of this girl, George Kittredge, age 32. You know him very well?
- He's general manager of Quaker State Coal, controlling interest in the company owned by Seth Lord.
- That's the girl's father, huh?
- Heaven brought them together, I imagine.
- Yeah. 'Seth Lord. See Banker's Annual, Directory of Directors.'
- Yes.
- I suppose you wouldn't know where that is.
- Well, roughly. My grandfather built it.
[...]