I've heard interesting things about Swissport. Some good, some not so good. Basically it's some of the lowest pay on the airport and you may not get the hours you want.
I used to work for Evergreen for a few years but that was a while ago, I don't know much about the place anymore but if the guy in charge is who I think it is it probably wouldn't be a good idea to go there.
I've seen line jobs advertised at both Signature and Million Air lately; check them out.
Check out Airline Support. They have a TON of vans that they do crew transfers in. OK pay to start, you usually get tips, get to meet a lot of pilots, and don't have to work outdoors a whole lot.
Any other questions PM me.