First off, GREAT info. As a new player I found this page and used it quite a bit.
That being said, there's 2 things I'd like to suggest.
The list of companion bonuses to crafting would be easier to look up if they were organized by classes and in the order of obtaining the companions rather than one large alphabetical list.
The second thing was adding info as to when you can send more companions out. I was CONSTANTLY wondering when I could send my 4th and 5th guy out as I was leveling and all the companion guides I had read never really mentioned when.
I took the liberty of typing both of these up. I really hope you choose to add them to your guide.
If I messed up on anything, I apologize, but I've gone over all the information a few times and it looks correct.
Republic Classes
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Jedi Knight
T7-01:+10 Bioanalysis Efficiency, +2 Slicing Critical
Kira: +5 Synthweaving Critical, +1 Research Critical
Doc: +5 Underworld Trading Efficiency, +5 Biochem Critical
Sargent Rusk: +10 Armstech Efficiency, +10 Scavenging Efficiency
Lord Scourge: +10 Artifice Efficiency, +10 Archaeology Efficiency
Jedi Consular
Qyzen-Fess: +15 Archaeology Efficiency, +5 Biochem Critical
Theran Cedrex: +10 Cybertech Efficiency, +10 Slicing Efficiency
Zenith: +15 Investigation Efficiency, +1 Underworld Trading Critical
Lt Iresso: +2 Armstech Critical, +2 Scavenging Critical
Nadia Grell: +10 Synthweaving Efficiency, +2 Diplomacy Critical
Smuggler
Corso Riggs: +5 Underworld Trading Efficiency, +5 Armstech Critical
Bowdaar: +10 Cybertech Efficiency, +10 Scavenging Efficiency
Risha: +15 Diplomacy,+1 Critical Slicing
Akavi Spaar: +10 Armormech,+2 Bioanalysis Critical
Guss Tuno: +10 Archaeology,+2 Treasure Hunting Critical
Trooper
Aric Jorgan: +10 Armstech Efficiency, +2 Diplomacy Critical
Elara Dorne: +10 Biochem Efficiency, +10 Bioanalysis Efficiency
M1-4X: +5 Cybertech Efficiency, +5 Scavenging Critical
Tanno Vik: +5 Armormech Critical, +1 Underworld Trading Critical
Yuun: +10 Slicing, +10 Investigation
Empire Classes
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Sith Warrior
Vette: +5 Underworld Trading Efficiency, +5 Treasure Hunting Critical
Malavi Quinn: +10 Armstech Efficiency, +10 Diplomacy Efficiency
Jaesa Willsaam: +5 Archaeology Efficiency, +5 Synthweaving Critical
Lieutenant Pierce: +10 Cybertech Efficiency, +2 Research Critical
Broonmark: +10 Scavenging Efficiency, +2 Bioanalysis Critical
Sith Inquisitor
Khem Val: +15 Artifice Efficiency, +5 Research Efficiency
Andronikos Revel: +2 Slicing Critical, +2 Underworld Trading Critical
Ashara Zavros: +10 Synthweaving Efficiency, +10 Diplomacy Efficiency
Talos Drellik: +5 Treasure Hunting Efficiency, +5 Archaeology Critical
Xalek: +10 Bioanalysis Efficiency, +2 Scavenging Critical
Imperial Agent
Kaliyo D'jannis: +10 Armstech Efficiency, +2 Underworld Trading Critical
Vector Hyllis: +5 Bioanalysis Efficiency, +5 Diplomacy Critical
Doctor Lokin: +15 Biochem Efficiency, +10 Research Efficiency
Ensign Raina Temple: +10 Scavenging Efficiency, +2 Armormech Critical
Scorpio: +5 Bioanalysis, +5 Diplomacy Critical
Bounty Hunter
Mako: +5 Cybertech Efficiency, +15 Slicing Efficiency
Gault: +10 Underworld Trading Efficiency, +2 Biochem Critical
Torian Cadera: +10 Research Efficiency, +2 Bioanalysis Critical
Blizz: +15 Armormech Efficiency, +1 Armstech Critical
Skadge: +10 Scavenging Efficiency, +2 Treasure Hunting Critical
Companion Deployment
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The following are the levels at which you can send out companions.
1 companion - As soon as they're obtained
2 companions - I don't have a solid level on this. By the time you get your second companion you're past whatever the requirement is...I'm going to assume it's level 15 but cannot give 100% confirmation. I do know that at level 17 I could send out 2.
3 companions - Level 25
4 companions - Level 41
5 companions - Level 48