OK, all my attempts have failed. I don't understand why it's so hard to find a solution . I can't believe I am the first developer to want to do this. It's simple - there's a single high level object called a system. Systems have sites - physical locations of equipment. Then these sites have access contacts so when our technicians are working on a problem at a site they know who to call. So I need to generate a report with that data. Isn't this equivalent to a company having departments and each department having employees? So you'd want to see a report for VB Forums. It has a department Reporting with employees jdelano and MMock. It has another department X with employees A, B, C, D. I feel like I'm just not coming up with the right search string in Google because how is this not a thing?

I tried to fake Crystal out and I wrote a subreport SiteAccessContacts. It worked. Then I went into SiteSub.rpt and linked it to SiteAccessContacts and they worked. But then in SystemData.rpt, the top report, it only rendered SiteSub. So it does seem like truly Crystal doesn't let you have much of a subreport chain.

I tried a Crosstab, out of desperation, but I'm not summarizing data so I think that's the wrong tool.