Where would you like to go? For SBR it's fairly easy, just search for New River Whitewater Outfitters, you'll find several. Instead of searching for Northern Tier, search for 'Boundary Waters'. Replace 'Sea Base' with 'Scuba and Snorkeling adventures in...'.
Philmont is both harder and easier. There are so many great places in the US to hike and camp in the mountains that you'll have to think about the region first and then narrow it down from there. If you want to stay in the desert southwest reach out to the Navajo, or the Hopi or the Cherokee and see if they have programs. The addition of the cultural/historical element adds to the trip.