If Ves had to describe the mech industry, he would equate it to a pyramid.
The massive trans-galactic corporations sat at the top. Their businesses spanned entire star sectors and copies of their supremely optimised mechs got sold by the trillions every day.
The next tier of companies consisted of trans-sector corporations. Their activities transcended the borders between star sectors, and they always took advantage of the different conditions of each star sector.
Further down the pyramid, there were the sector-wide, state-wide, system-wide and planet-based corporations. The lower their tiers, the more of them existed. Technically, the Living Mech Corporation could be counted as a sector-wide corporation, which gave his company a lot of prestige.
At the bottom-most tier, the MTA couldn't even count how many independent mech workshops operated within all of human space. The base of the pyramid was doubtlessly incredibly wide.