Plans for chassis mods:
LIGHT:
Commando COM-8P
Urbanmech UM-G96
Panther PNT-10M

MEDIUM:
Assassin ASN-114
Cicada CDA-10Ma
Centurion CN9-AX
Enforcer ENF-4F
Hunchback HBK-4Gt
Hunchback HBK-9B
Hunchback HBK-6Ga
Bushwacker BSW-G2a
Bushwacker BSW-G5
Dervish DV-10G
Shadow Hawk SHD-2Ht
Shadow Hawk SHD-4U
Shadow Hawk SHD-5Ga
Shadow Hawk SHD-5Mr
Shadow Hawk SHD-6U
Shadow Hawk SHD-9Gr
Wolverine WVR-6Rt
Wolverine WVR-6RX Martinson 2

HEAVY:
Argus AGS-5G
Argus AGS-5N
Champion CHP-2G
Champion CHP-3G
Champion CHP-3SL
Dragon DRG-1Nta
Dragon DRG-7R
Dragon DRG-7V
Dragon DRG-8K
Dragon DRG-8R
Ostsol OTL-5Ga
Quickdraw QKD-6G2
Rifleman RFL-3Nt
Rifleman RFL-4G
Rifleman RFL-4Ma
Axman AXM-1Nb
Crusader CRD-5G
Crusader CRD-5Gt
Jagermech FLAK-4a
Jagermech JM6-St (use the base of the JM6-A for ease)
Thunderbolt TDR-2G
Thunderbolt TDR-6X
Thunderbolt TDR-7Fa
Thunderbolt TDR-J6A
Archer ARC-11Kr
Archer ARC-5Gb
Archer ARC-5Y
Archer ARC-9G
Archer ARC-J6
Caesar CES-3Ra
Cataphract CTF-3Da
Cataphract CTF-3GN
Cataphract CTF-4G
Cataphract CTF-6S
Grasshopper GHR-2G
Grasshopper GHR-3GA
Grasshopper GHR-5V
Warhammer WHM-6Ga
Warhammer WHM-9M
Warhammer WHM-J6
Lao Hu LHU-8Bf2
Mad Cat Leon 3
Mad Cat Shearington 4
Marauder MAD-6GM
Marauder MAD-J6A
Night Gyr Meren 4
Orion ON1-Kt
Orion ON2-G
Orion ON2-Q
Perseus Muninn
Perseus Saracen
Perseus Masari
Perseus Ford
Perseus Zeras
Thanatos TNS-1CA

ASSAULT:
Gargoyle Herk 3
Gargoyle Moroes
Hatamoto-Ku HTM-39X2
Rifleman RFL-6G-1
Thug THG-12Q
Thug THG-14Q
Victor VTR-5G
Victor VTR-9At
Victor VTR-9Bt
Victor VTR-9SM
Zeus ZEU-7Ga
Zeus ZEU-8Gb
Battlemaster BLR-3Bm
Battlemaster BLR-3Gr
Battlemaster BLR-3N
Battlemaster BLR-4B
Battlemaster BLR-9R
Masakari Atleast Itsnot
Stalker STK-5W (mod c3i to ECM and C3S/TAG)
Cyclops CP-12-Ga
Mauler MAL-1G
Mauler MAL-4Gb
MAL-2MM 'Maulin Maria'
Banshee BNC-5G
Atlas AS9-Gr
Atlas AS9-M
Daishi Wallen 6
King Crab KGC-001Ga
King Crab KGC-005M
Mackie MSK-11Q