I think these appear to be off.
Highlander was just rebuilding destroyed chassis till the mid 30's.
The 0W was what Marik was producing but the 7Q was the FS/LC production.
Stalker is also in production on Hesperus, but, I can't confirm the year that starts.
Also, your missing the Zeus line on Furillo
Capellan Highlander is from TR3039 (as is the later Son Hoa production):
"Hollis continued to custom-build the 733 models until the Fourth Succession War, when its license was revoked. With the capture of the Corey production line and the discovery of the Helm Memory Core, StarCorps was able to begin producing 733 refits on Son Hoa by the mid 3030s."
Longbow OW/7Q production is also from TR3039 (Project Phx section).
Produced on Crofton, Loburg, and Emris IV (destroyed 3014), later notes that "two factories have survived to the current day, and a third has been nearly rebuilt after suffering serious damage during Duke Anton’s Revolt in 3014."
As for the 7Q, it doesn't say much to suggest that it is still produced at that time (though it also doesn't explicitly rule it out): "The LGB-7Q solved many of the OW’s problems by ... Despite these improvements, this variant never achieved the commercial success of the 0W."
I also didn't see any mention of it in TR-PP
I didn't see anything in my sources for a Zeus on Furillo or a Stalker on Hesperus. I just double checked TR3025R, TR3039, TR3050, TR3050U, Obj Raids.
I do have the upgraded versions of both produced on Furillo starting in the 3050s, though (both are listed in HB:House Steiner). I feel like there might be another source that pinned their production start to the 3050s specifically, but I can't remember/find it.