Could be roundleaf dogwood:

https://en.wikipedia.org/wiki/Cornus_rugosa

Could you take more pictures to show the leaf arrangement ? I'm not seeing opposite leaves along the stems. Perhaps focusing in on the branch that is partly visible in the right side of your picture would help.

Appears to be a fruit or seed pod of some kind on several of the branches.

The fruit appears to be on a racemose, not a cyme as would be expected for Roundleaf Dogwood. I haven't been able to put a finger on what it acutally is though.

Could be an Asimina although the leaves are a bit too round for most of those I've seen. There are large thickets of very small fruited ones growing along the East side of Chesapeake bay.

More pics. Leaves are alternate. Some multiple fruits/berries. There are four of them together, all about 6-7 feet.

Some kind of Buckthorn? Frangula alnus or Frangula caroliniana?

Hmm, best guess I think so far. The leaves look very close to what I've seen on this page for Frangula alnus, including the nearly obovate leaves with pointed tips. I guess the berries aren't ripe yet hence their whitish color. BUT the berries on my trees are on racemes and not in the leaf axils...

Frangula Alnus

In your second-from-last photo, one fruit is shown being in a leaf axil.

Styrax obassia?

S. obassia has different leaves.

Yes, with that leaf and fruit combination it was likely to be a styrax.