It doesn't seem like anyone has compiled a list of Companions, so I'll kick it off. I'll list here the companions, their starting attributes, level and skills, and who they like or dislike. Please post your own information as well

List:
Dav Foss lvl 4 Str 7 Agi 6 Int 12 Cha 5 Weapon Master 2 Athletics 1 Riding 2 M. Aim 2 Tactics 2 Nav 4 Sense 3 Eng 1 Lead 1 COST: 100 - Best pilot I've found so far

Trec Quizan lvl 3 Str 12 Agi 10 Int 4 Cha 5 Ironflesh 3 Power Strike 1 Shield 1 Athletics 3 Trainer 1 First Aid 1 Trade 1 COST: 400

Rahm Kota lvl 10 Str 16 Agi 9 Int 9 Cha 4 Power Strike 4 Power Throw 4 Force 4 WM 5 Shield 2 Athletics 1 Trainer 2 Tracking 1 Tactics 2 Leader 5 COST: Free

Varian Swogg Lvl 1 Str 11 Agi 9 Int 7 Cha 6 Ironflesh 3 P Strike 3 WM 2 Athletics 3 Tracker 2 Trade 2 COST: Free

B-2HO: Lvl 1 Str 12 Agi 4 Int 6 Cha 3 Ironflesh 4 WM 4 Riding 1 Trade 2 COST: Free

Arvis Sunwright: Lvl 3 Str 10 Agi 12 Int 8 Cha 6 Ironflesh 1 WM 2 Athletics 3 Riding 4 M Aim 2 Tactics 1 First Aid 1 Leader 2 Trade 2 COST: 300

Mirita Shoa Lvl 6 Str 9 Agi 8 Int 13 Cha 7 Ironflesh 2 P Strike 2 P Throw 2 WM 2 Riding 1 Looting 1 Trainer 3 Tracker 1 Tactics 1 Sensor 1 Engineer 4 leader 1 COST: 300

Gaven Iscandar: Lvl 4 Str 11 Agi 9 Int 6 Cha 9 Ironflesh 1 P Strike 1 WM 3 Athletics 1 Riding 2 M Aim 1 Looter 1 Trade 2 COST: Free

Tim Yarrow: Lvl 1 Str 7 Agi 9 Int 8 Cha 9 WM 2 Shield 1 Athletics 1 Riding 1 Looter 2 Trade 4 COST: 300

Kyra Moryne; lvl 1 Str 12 Agi 8 Int 6 Cha 6 Ironflesh 1 P Throw 4 Force 2 WM 2 Athletics 1 Riding 1 Trade 1 COST: Free

Lunar Novar: Lvl 2 Str 7 Agi 8 Int 13 Cha 7 Ironflesh 2 P Strike 3 WM 1 Wound Treatment 4 Surgery 4 First Aid 3 Engineering 1 Trade 1 COST: 100 - Best Medic IMO

Nerthak Beviin: Lvl 5 Str 13 Agi 10 Int 8 Cha 7 Ironflesh 1 P Strike 2 WM 4 Riding 2 M Aim 1 Trainer 2 Tracker 1 Tactics 3 Nav 1 Engineer 2 Leader 3 Trade 1 COST: 200

Kyle Katarn: Lvl 6 Str 14 Agi 9 Int 6 Cha 5 Ironflesh 2 P Strike 2 WM 5 Shield 1 Ath 3 Riding 2 M Aim 1 Trainer 1 COST: 300

Rath Varik: Lvl 6 Str 10 Agi 11 Int 11 Cha 5 Ironflesh 2 P Strike 2 WM 3 Riding 2 M Aim 1 Trainer 4 Tracker 1 Navigator 1 Leader 2 COST: 400

Jade Codi: Lvl 2 Str 5 Agi 5 Int 10 Cha 13 WM 1 Ath 1 Riding 1 Tac 1 Leader 3 Trade 4 COST: Free - Best Trader IMO

Anela Kinse Lvl 8 Str 12 Agi 13 Int 9 Cha 5 P Strike 3 WM 5 Athletics 4 Riding 2 Looting 2 Tracking 3 Sensors 2 COST: 200

B-2KI Lvl 1 Str 12 Agi 4 Int 6 Cha 3 Ironflesh 3 Weapon master 4 Riding 1 Trade 2 PRICE: Free - Identical to B-2HO

Dossok Snorkh Lvl 2 Str 5 Agi 11 Int 4 Cha 10 Ironflesh 2 Weapon master 5 Athletics 4 Riding 3 M Aim 3 nav 3 sense 2 COST: 500 - Best looter I've found

Template:
<Char Name> <Level> <Attributes> <Skills> (Don't list skills that are zero) <Likes> <Dislikes> <Recruitment Cost>