Here are 4 specialized dropships. All of these except the assault dropship are aerodyne to support atmospheric operations if they are necessary. They also each have 200 tons of fuel.
A carrier. Aerodyne 3/5, 12 ASF bays each with 100 tons of cargo + 63 extra tons of cargo, 12x MG in RW/LW, 8x MG in Nose (32x MG total forward facing), 4x LRM-20 in Nose, 2x LRM-20 Aft, 10x MG Aft, 54 tons FA armor. Includes quarters for all bay personnel.
5000 ton dropship Carrier
Base Tech Level: Standard (IS)
Tech Rating: E/E-F(F*)-E-E
Weight: 5000 tons
BV: 3,855
Cost: 232,516,800 C-bills
Movement: 3/5
Heat Sinks: 48
Fuel Points: 6000 (200.0 tons)
Tons Per Burn Day: 1.84
Structural Integrity: 12
Armor: 1015 (Ferro-Aluminum)
Armor
-------------------
Nose 304
Left Side 254
Right Side 254
Aft 203
Weapons Loc Heat
------------------------------
LRM Bay NOS 24
4x LRM 20
LRM 20 Ammo 78
Point Defense Bay NOS 0
8x Machine Gun
Machine Gun Ammo 200
Point Defense Bay RS 0
12x Machine Gun
Machine Gun Ammo 200
Point Defense Bay LS 0
12x Machine Gun
Machine Gun Ammo 200
LRM Bay AFT 12
2x LRM 20
LRM 20 Ammo 36
Point Defense Bay AFT 0
10x Machine Gun
Machine Gun Ammo 200
Carrying Capacity
-----------------
Aerospace Fighter (6 doors) - 12 units (12 recovery open)
Cargo Space (2 doors) - 1,263 tons
Crew
----------------------
Officers 3
Enlisted/Non-rated 2
Gunners 8
Bay Personnel 24
An armor transport. Aerodyne 3/5, 36 light vehicle bays (Variant: 18 heavy vehicle) +305 tons of cargo, 12x MG in RW/LW, 8x MG in Nose (32x MG total forward facing), 4x LRM-20 in Nose, 2x LRM-20 Aft, 10x MG Aft, 54 tons FA armor. Includes quarters for all bay personnel.
5000 ton dropship Battalion
Base Tech Level: Standard (IS)
Tech Rating: E/E-F(F*)-E-E
Weight: 5000 tons
BV: 3,780
Cost: 269,380,800 C-bills
Movement: 3/5
Heat Sinks: 48
Fuel Points: 6000 (200.0 tons)
Tons Per Burn Day: 1.84
Structural Integrity: 12
Armor: 1015 (Ferro-Aluminum)
Armor
-------------------
Nose 304
Left Side 254
Right Side 254
Aft 203
Weapons Loc Heat
------------------------------
LRM Bay NOS 24
4x LRM 20
LRM 20 Ammo 60
Point Defense Bay NOS 0
8x Machine Gun
Machine Gun Ammo 200
Point Defense Bay RS 0
12x Machine Gun
Machine Gun Ammo 200
Point Defense Bay LS 0
12x Machine Gun
Machine Gun Ammo 200
LRM Bay AFT 12
2x LRM 20
LRM 20 Ammo 30
Point Defense Bay AFT 0
10x Machine Gun
Machine Gun Ammo 200
Carrying Capacity
-----------------
Light Vehicle Bay (7 doors) - 36 units
Cargo Space (1 door) - 305 tons
Crew
-----------------------
Officers 3
Enlisted/Non-rated 2
Gunners 8
Bay Personnel 180
A militarized cargo craft. Aerodyne 3/5, 3383.5 tons of cargo, 8x MG in Nose, 2x LRM-20 in Nose, LRM-20 Aft, 10x MG Aft, 40.5 tons armor.
5000 ton dropship Cargo
Base Tech Level: Standard (IS)
Tech Rating: D/E-E-E-E
Weight: 5000 tons
BV: 2,367
Cost: 150,904,800 C-bills
Movement: 3/5
Heat Sinks: 48
Fuel Points: 6000 (200.0 tons)
Tons Per Burn Day: 1.84
Structural Integrity: 9
Armor: 684
Armor
-------------------
Nose 206
Left Side 171
Right Side 171
Aft 136
Weapons Loc Heat
------------------------------
LRM Bay NOS 12
2x LRM 20
LRM 20 Ammo 42
Point Defense Bay NOS 0
8x Machine Gun
Machine Gun Ammo 200
LRM Bay AFT 6
LRM 20
LRM 20 Ammo 18
Point Defense Bay AFT 0
10x Machine Gun
Machine Gun Ammo 200
Carrying Capacity
-----------------
Cargo Space (8 doors) - 3,383.500 tons
Crew
---------------------
Officers 2
Enlisted/Non-rated 3
Gunners 4
Bay Personnel 0
An assault dropship. Spheroid 7/11, 1 smallcraft bay (could be used for a marine transport) +178 tons of cargo, 10x LRM-20 in Nose, 2xBarracuda in Nose, Killer Whale in Nose, 12x MG in FR/FL/AR/AL, 2x LRM-20 Aft, 10x MG Aft, 79 tons FA armor. Includes quarters for all bay personnel.
5000 ton dropship Assault
Base Tech Level: Standard (IS)
Tech Rating: E/E-F(F*)-E-E
Weight: 5000 tons
BV: 14,730
Cost: 305,726,400 C-bills
Movement: 7/11
Heat Sinks: 124
Fuel Points: 6000 (200.0 tons)
Tons Per Burn Day: 1.84
Structural Integrity: 22
Armor: 1503 (Ferro-Aluminum)
Armor
-------------------
Nose 451
Left Side 376
Right Side 376
Aft 300
Weapons Loc Heat
----------------------------------------------------
LRM Bay NOS 54
9x LRM 20
LRM 20 Ammo 180
Capital Missile Bay NOS 40
2x Capital Missile Launcher (Barracuda)
Capital Missile Launcher (Killer Whale)
Barracuda Ammo 20
Killer Whale Ammo 10
Point Defense Bay FR 0
12x Machine Gun
Machine Gun Ammo 600
Point Defense Bay AR 0
12x Machine Gun
Machine Gun Ammo 600
Point Defense Bay FL 0
12x Machine Gun
Machine Gun Ammo 600
Point Defense Bay AL 0
12x Machine Gun
Machine Gun Ammo 600
LRM Bay AFT 12
2x LRM 20
LRM 20 Ammo 36
Point Defense Bay AFT 0
10x Machine Gun
Machine Gun Ammo 600
Carrying Capacity
-----------------
Small Craft (1 door) - 1 unit (2 recovery open)
Cargo Space (1 door) - 178 tons
Crew
----------------------
Officers 5
Enlisted/Non-rated 0
Gunners 15
Bay Personnel 5
Edit: changed Assault to Spheroid.