RitterAssociates.com is a good company that has a lot of gas stations. They have a lot to do in Virginia with no fees. They pay monthly with bonuses towards the end of the month.
Also Maritz Research has a variety of different shops. Their web site is virtuoso.maritzresearch.com. They have US post office and different gas stations.
You can try SecondtoNone.com for another address.
Complete the on-line applications and you can go out and do assignments daily.