OK, Corporate Shadowfiles had a system for rating corps and their resources/interest/involvelment in various field. The big 8 are noted on p. 118, dated as "April 1-June 30, 2054".
Ares: Total 118
Rates an 11 in aerospace (next competitior is Fuchi, at 7).
Rates a 10 in Military Technology (next competitors are Aztechnology and Fuchi, both at 8).
Fiscal Operations are at a 10, but that's not uncommon to these guys.
Reputation is 10, which is the highest, but closely followed by Renraku at 9.
Otherwise fairly unexceptional given the company.
Aztechnology: Total 114 (lowest of the 8, shared with Yamatetsu)
Noted in Mystical goods/services at 8 (MCT is at 7, no-one else above a 5).
Shared second place in Militrary Tech with Fuchi.
Magical security rates at 9 (next competitor is MCT at 8).
Isn't really leader of anything much, but has fingers in pretty much every pie.
Fuchi: Total 123 (second highest)
Rates an 11 in Computer Engineering (Next is Renraku at 10).
Shares first place in Computer Science with REnraku at 10 (MCT is at 8, no-one else above 6).
Leads Consumer goods wih Ares at 7, and Cybernetics alone at 8.
Tops the list of Matrix Security at 11. MCT and Renraku each rate at 9.
Mitsuhama Computer TEchnologies: Total 121 (third place).
Tops entertainment at 7, and Intelligence operations at 9.
Otherwise even more than the Aztechs, MCT is the "Competitor-at-all-trades-master-of-none".
Lowest reputation score (5), and services (2).
Renraku: Total 120
Compete strongly with Fuchi for pride-of-place in Computer-related categories.
Has a management team as strong as that of Ares (9).
Saeder-Krupp: Total 124 (top dog)
Tops at agriculture at 7 (shared with Yamatetsu), Chemicals at 9, Finance at 8, and Heavy Industries at 10.
Has magical security as hard as that of the Aztech, and physical ditto as good as that of Ares.
Perhaps surprisingly hardly provides anything in Mystical Goods/services (only a 3).
Weak at nothing.
Shiawase: Total 116
Shares top rating with Yamatetsu is Biotechnologies (both rate at 8).
Fights MCT for second place in Heavy Industry.
Top dog at services, raing 8.
Yamatetsu: Total 114 (lowest rung, shared with Aztechnology)
Shares leadership of Agriculture with S-K (rating 7) and Biotech with Shiawase (rating 8).
Coming in second on Cybernetics (rates 7), and fights MCT as second place bankers (Financial Service at 6).
A second place in services is shared with Ares and Renraku.
