If you know anymore let me know and I can add them.
1. Within Temptation
2. Adastreia
3. Amaranthe
4. Amberian Dawn
5. Haggard
6. Eluveitie (more of a folk metal band)
7. Ancient Bards
8. Sins of thy Beloved
9. Angtoria
10. Arven
11. Aythis
12. Edenbridge
13. Cinnamun Beloved
14. Coronatus
15.Cradle of Filth
16. Crysalys
17. Delain
18 . Dharma
19. Dreamside
20. Dunwich
21. Echos of Eternity
22. Flowing Tears
23. Epica
24. Iced Earth
25. Indica
26. Instanzia
27. Katra
28. Krypteria
29. Lacuna Coil
30. Leaves Eyes
31. Liv Moon
32. Macbeth
33. Magica
34. Mandragora Scream
35. The Moon and the Nightspirit
36. Mortal Love (this one is more Gothic metal, so I don't know if it counts)
37. Blutengel ( again, more Gothic metal)
38. Haggard
39. Narsilion
40. Nemesea
41. Nightwish
42. Niobeth
43. Northern Kings
44. Nota Profana
45. Omnia
46. Operatika
47. Pythia
48. Ravenscry
49. Saints of Ruin
50. Samantha Link
51. Sarah Brightman (More folk metal)
52. Satyrian
53. Serenity
54. Setanera
55. Silent Opera
56. Sirenia
57. Sonata Nocturna
58. Stream Of Passion
59. Theater Of Tragedy
60. Theatres Des Vampires (More Gothic metalish)
61. Cadaveria (also more gothic)
62. Therion
63. To Die For
64. Tori AMos
65. Trail of Tears
66. Tristania
67. Diablos in Musica
68. Unsun
69. Warmen
70. Whispering Woods
71. Xandria
72. Gothica
73. Gregorian
74. Hexperos
75. Mina Hacker (More Gothic)
76. Terminal Choice (More Gothic Rockish)
78. Annnwn
79. Arkona
80. Blackmore's Night (More folk)
81. Circa Survive
82. Elane
83. Era
84. Faun
85. Fferyllt
86. Loreena McKennitt (More folk)
87. Nox Arcana
88. Sava
89. Ataraxia
90. Battlesoul
91. Eldelvar
92. H.I.M.
93. Ocarina
94. Omania
95. Tacere
96. Wardruna
97. ReVamp
98. After Forever
1. Within Temptation
2. Adastreia
3. Amaranthe
4. Amberian Dawn
5. Haggard
6. Eluveitie (more of a folk metal band)
7. Ancient Bards
8. Sins of thy Beloved
9. Angtoria
10. Arven
11. Aythis
12. Edenbridge
13. Cinnamun Beloved
14. Coronatus
15.Cradle of Filth
16. Crysalys
17. Delain
18 . Dharma
19. Dreamside
20. Dunwich
21. Echos of Eternity
22. Flowing Tears
23. Epica
24. Iced Earth
25. Indica
26. Instanzia
27. Katra
28. Krypteria
29. Lacuna Coil
30. Leaves Eyes
31. Liv Moon
32. Macbeth
33. Magica
34. Mandragora Scream
35. The Moon and the Nightspirit
36. Mortal Love (this one is more Gothic metal, so I don't know if it counts)
37. Blutengel ( again, more Gothic metal)
38. Haggard
39. Narsilion
40. Nemesea
41. Nightwish
42. Niobeth
43. Northern Kings
44. Nota Profana
45. Omnia
46. Operatika
47. Pythia
48. Ravenscry
49. Saints of Ruin
50. Samantha Link
51. Sarah Brightman (More folk metal)
52. Satyrian
53. Serenity
54. Setanera
55. Silent Opera
56. Sirenia
57. Sonata Nocturna
58. Stream Of Passion
59. Theater Of Tragedy
60. Theatres Des Vampires (More Gothic metalish)
61. Cadaveria (also more gothic)
62. Therion
63. To Die For
64. Tori AMos
65. Trail of Tears
66. Tristania
67. Diablos in Musica
68. Unsun
69. Warmen
70. Whispering Woods
71. Xandria
72. Gothica
73. Gregorian
74. Hexperos
75. Mina Hacker (More Gothic)
76. Terminal Choice (More Gothic Rockish)
78. Annnwn
79. Arkona
80. Blackmore's Night (More folk)
81. Circa Survive
82. Elane
83. Era
84. Faun
85. Fferyllt
86. Loreena McKennitt (More folk)
87. Nox Arcana
88. Sava
89. Ataraxia
90. Battlesoul
91. Eldelvar
92. H.I.M.
93. Ocarina
94. Omania
95. Tacere
96. Wardruna
97. ReVamp
98. After Forever