You have the Andurians led by the Humphries listed as Him, in chapters 36 and 37. They are a Matriucity (not sure if I spelled that right) like the Magistry at the 3025-3030 time.
Sorry, I have not gotten back to ya in a while, I have been sick, luckily not the new, over-hyped plague as our political opponents in my country have listed it as in the media.
Yeah, I find Clan Bear idiots for wrecking the last LAM factory in the Inner Sphere.
It is one of the stepping blocks for neurohelmet research, same for the QuadVee typo LAM.
Think Tank & ASF Neurohelmets, here.
O and see if you can get something like a Snowden, might help in the long run, by giving you a repair platform.
Hell maybe see if you can use the current very skeleton nature of the Argo, to copy her.
Else get a Mammoth or two.
How many Leopard drive systems could you get anyway?
The Argo her thrusters seem of a similar size.
As for your story, I hope you held some stuff back.
They do not know what you managed to find totally, right?
They payed quite well for it, so get that Argo fixed , if I where you, I would then ad in part of the hidden loot into her, like the computer cores.
The Argo has three collars, two on the side.
You could have docked two leopards on the side, with the engines facing downwards, true, would mean flying them in riding on their tails, but it would give you thrusters in the nose, so it can rise, then light the main and...