Hi Sudsing...
Off the top of my head, most non-HE detergents are pretty high sudsing in my top loading Admiralpool. Especially high sudsing in my water are the products made by Sun (formerly Huish Detergents)....the Everyday Living non-HE, the Wal-Mart products, along with Tide, Gain...Proctor and Gamble tends to make very sudsy stuff too....or at least they used to. I traced my hives to Tide and Gain, and they don't get much of my business.
Another one that's a super sudser surprised me. The LA's Totally Awesome Detergent that Dollar Tree sells. Rinses clean though.