Top Developers of All Time - Voting - CLOSED

[Bloodreign]

1. Taito
2. Konami
3. Toaplan
4. Irem
5. Raizing
6. Cave
7. Technosoft
8. Namco
9. Takumi
10. Seibu Kaihatsu
11. Compile
12. Capcom
13. Psikyo
14. Video Systems (Sonic Wings)

[Bazzie]

1. Treasure
2. SEGA
3. Raizing
4. Psikyo
5. Taito
6. Konami
7. Irem
8. Takumi
9. CAVE
10. Seibu-Kaihatsu
11. Technosoft
12. Capcom
13. Triangle Service
14. NMK
15. Toaplan
16. Qute
17. Namco
18. Hudson Soft
19. ADK
20. Visco

[Nifty]

1. NMK
2. Visco
3. Kaneko
4. Raizing
5. Success
6. Treasure
7. Taito
8. Yumekobo/Aicom
9. Capcom
10. Irem
11. Jaleco
12. Atlus
13. Sky Think Systems
14. Takumi
15. Kenta Cho/ABA Games
16. Gustav
17. Pixel (the indie dev, not the company that made Over Horizon)
18. Warashi
19. Allumer
20. Team Shanghai Alice

Subject to revision.

[LSU]

1. Konami
2. Treasure
3. Taito
4. Williams
5. Cave
6. Raizing
7. Psikyo
8. G.rev
9. Toaplan
10. Irem
11. Seibu
12. Compile
13. Namco
14. Technosoft
15. Takumi
16. Capcom
17. Midway
18. Atari
19. Llamasoft
20. Kenta Cho

[Doctor Butler]

1. Seibu Kaihatsu
2. Cave
3. 5pb
4. Capcom
5. Konami
6. Psikyo
7. Kenta-Cho
8. Moss

[Pretas]

1. Konami
2. Taito
3. CAVE
4. Raizing
5. Irem
6. Toaplan
7. Seibu Kaihatsu
8. Treasure
9. Capcom
10. Psikyo
11. Takumi
12. TechnoSoft
13. Qute
14. G.Rev
15. Triangle Service

Konami is and will always be the iconic All-Father of STGs.

[DMC]

1. Raizing
2. Cave
3. Toaplan
4. Seibu
5. Taito
6. Konami
7. Psikyo
8. Namco
9. Treasure
10. Irem
11. Takumi
12. Williams
13. G.Rev
14. Compile
15. NMK

[Jaimers]

1. Cave
2. Psikyo
3. Seibu
4. Team Shanghai Alice
5. Takumi
6. x.x
7. Orange Juice
8. Toaplan
9. Raizing
10. Qute
11. G.Rev
12. Treasure
13. Taito
14. Irem
15. Konami

what are numbers

[SapphireDensetsu]

6. x.x
7. Orange Juice
6. Toaplan
7. Raizing

You might want to correct that...

--Sapphire

[Herr Schatten]

1. Irem
2. Konami
3. Psikyo
4. Compile
5. Milestone
6. Cave
7. Triangle Service
8. Techosoft
9. Taito
10. Alfa System
11. Video Systems
12. Red
13. Sega
14. NMK
15. Raizing
16. Manfred Trenz
17. Namco
18. Capcom
19. Toaplan
20. Nichibutsu

[_rm_]

1. Cave
2. Toaplan
3. Konami
4. Psikyo
5. Irem
6. Yotsubane

[Ko.oS]

short but sweet list...

1. technosoft
2. masaya/ncs
3. upl
4. irem
5. taito
6. konami

[nosorrow]

1-Takumi
2-Cave
3-Compile
4-Raizing
5-Psikyo
6-Tecno Soft
7-Hudson
8-Taito
9-Konami
10-Treasure

[Nifty]

Bumping this up because it's gotten buried. Not long remaining for voting now in either thread, and both could do with a few more votes

[qmish]

1. Aicom/Yumekobo
2. Taito
3. Cave
4. Raizing
5. Irem
6. G-Rev
7. Milestone
8. Treasure
9. Psikyo
10. Compile
11. Technosoft
12. Toaplan
13. Natsume
14. Masaya/NCS
15. Red Entertainment
16. Konami
17. Artesneit

[EmperorIng]

1. Psikyo
2. Taito
3. Konami
4. Takumi
5. Raizing
6. Seibu
7. Irem
8. Capcom
9. Namco
10. Cave
11. Toaplan

I'm excited to see the results of this one.