diff --git a/manufacture.py b/manufacture.py
new file mode 100644
index 0000000..088683f
--- /dev/null
+++ b/manufacture.py
@@ -0,0 +1,20 @@
+import straders_sdk.constants as st_c
+
+
+manufactured_by = st_c.MANUFACTURED_BY
+# takes the form {["str":["str","str",...]]}
+
+manufactures = {}
+for k, v in manufactured_by.items():
+    # k = the thing being manufactured
+    # v = a list of strings that manufacture it
+    for item in v:
+        if item in manufactures:
+            manufactures[item].append(k)
+        else:
+            manufactures[item] = [k]
+
+print("MANUFACTURES = {")
+for k, v in manufactures.items():
+    print(f'"{k}": {v},')
+print("}")
diff --git a/straders_sdk/constants.py b/straders_sdk/constants.py
index 8dee7a2..3dceb6a 100644
--- a/straders_sdk/constants.py
+++ b/straders_sdk/constants.py
@@ -197,3 +197,257 @@
     "SHIP_REFINING_FREIGHTER": ["SHIP_PLATING", "SHIP_PARTS"],
     "SHIP_SURVEYOR": ["SHIP_PLATING", "SHIP_PARTS"],
 }
+MANUFACTURES = {
+    "LAB_INSTRUMENTS": [
+        "CULTURAL_ARTIFACTS",
+        "ANTIMATTER",
+        "EXOTIC_MATTER",
+        "RELIC_TECH",
+        "NOVEL_LIFEFORMS",
+        "BOTANICAL_SPECIMENS",
+        "NANOBOTS",
+        "GENE_THERAPEUTICS",
+        "MOOD_REGULATORS",
+        "VIRAL_AGENTS",
+        "SUPERGRAINS",
+    ],
+    "LIQUID_HYDROGEN": ["PLASTICS", "POLYNUCLEOTIDES", "EXPLOSIVES"],
+    "LIQUID_NITROGEN": ["FERTILIZERS", "POLYNUCLEOTIDES", "EXPLOSIVES", "AMMUNITION"],
+    "HYDROCARBON": ["FUEL"],
+    "IRON_ORE": ["IRON"],
+    "ALUMINUM_ORE": ["ALUMINUM"],
+    "COPPER_ORE": ["COPPER"],
+    "SILVER_ORE": ["SILVER"],
+    "PLATINUM_ORE": ["PLATINUM"],
+    "GOLD_ORE": ["GOLD"],
+    "URANITE_ORE": ["URANITE"],
+    "MERITIUM_ORE": ["MERITIUM"],
+    "IRON": [
+        "AMMUNITION",
+        "FAB_MATS",
+        "MACHINERY",
+        "FIREARMS",
+        "REACTOR_SOLAR_I",
+        "REACTOR_FUSION_I",
+        "REACTOR_FISSION_I",
+        "REACTOR_CHEMICAL_I",
+        "REACTOR_ANTIMATTER_I",
+        "ENGINE_IMPULSE_DRIVE_I",
+        "ENGINE_ION_DRIVE_I",
+        "MODULE_CARGO_HOLD_I",
+        "MODULE_MINERAL_PROCESSOR_I",
+        "MODULE_GAS_PROCESSOR_I",
+        "MODULE_CREW_QUARTERS_I",
+        "MODULE_ENVOY_QUARTERS_I",
+        "MODULE_PASSENGER_CABIN_I",
+        "MOUNT_GAS_SIPHON_I",
+        "MOUNT_SURVEYOR_I",
+        "MOUNT_SENSOR_ARRAY_I",
+        "MOUNT_MINING_LASER_I",
+        "MOUNT_TURRET_I",
+        "MOUNT_LASER_CANNON_I",
+        "MOUNT_MISSILE_LAUNCHER_I",
+        "MODULE_JUMP_DRIVE_I",
+        "MODULE_WARP_DRIVE_I",
+        "MODULE_SHIELD_GENERATOR_I",
+    ],
+    "QUARTZ_SAND": ["FAB_MATS"],
+    "FERTILIZERS": ["FOOD", "FABRICS", "SUPERGRAINS"],
+    "SILICON_CRYSTALS": ["ELECTRONICS", "MICROPROCESSORS"],
+    "COPPER": ["ELECTRONICS", "MICROPROCESSORS"],
+    "ALUMINUM": [
+        "EQUIPMENT",
+        "ASSAULT_RIFLES",
+        "SHIP_PLATING",
+        "MILITARY_EQUIPMENT",
+        "MODULE_CARGO_HOLD_II",
+        "MOUNT_GAS_SIPHON_II",
+        "MOUNT_SURVEYOR_II",
+        "MOUNT_SENSOR_ARRAY_II",
+        "MOUNT_MINING_LASER_II",
+        "ROBOTIC_DRONES",
+        "MODULE_SHIELD_GENERATOR_II",
+    ],
+    "PLASTICS": ["EQUIPMENT"],
+    "GOLD": [
+        "JEWELRY",
+        "HOLOGRAPHICS",
+        "MODULE_JUMP_DRIVE_II",
+        "MODULE_JUMP_DRIVE_III",
+    ],
+    "SILVER": ["JEWELRY", "HOLOGRAPHICS"],
+    "PRECIOUS_STONES": ["JEWELRY"],
+    "DIAMONDS": [
+        "JEWELRY",
+        "MOUNT_MINING_LASER_I",
+        "MOUNT_MINING_LASER_II",
+        "MOUNT_LASER_CANNON_I",
+        "MICRO_FUSION_GENERATORS",
+        "LASER_RIFLES",
+    ],
+    "AMMUNITION": ["FIREARMS", "ASSAULT_RIFLES"],
+    "FABRICS": [
+        "CLOTHING",
+        "MEDICINE",
+        "BIOCOMPOSITES",
+        "MODULE_CREW_QUARTERS_I",
+        "MODULE_ENVOY_QUARTERS_I",
+        "MODULE_PASSENGER_CABIN_I",
+    ],
+    "MACHINERY": [
+        "SHIP_PLATING",
+        "REACTOR_SOLAR_I",
+        "REACTOR_FUSION_I",
+        "REACTOR_FISSION_I",
+        "REACTOR_CHEMICAL_I",
+        "REACTOR_ANTIMATTER_I",
+        "ENGINE_IMPULSE_DRIVE_I",
+        "ENGINE_ION_DRIVE_I",
+        "MODULE_CARGO_HOLD_I",
+        "MODULE_CARGO_HOLD_II",
+        "MODULE_MINERAL_PROCESSOR_I",
+        "MODULE_GAS_PROCESSOR_I",
+        "MODULE_CREW_QUARTERS_I",
+        "MODULE_ENVOY_QUARTERS_I",
+        "MODULE_PASSENGER_CABIN_I",
+        "MODULE_SCIENCE_LAB_I",
+        "MODULE_ORE_REFINERY_I",
+        "MODULE_FUEL_REFINERY_I",
+        "MODULE_MICRO_REFINERY_I",
+        "MOUNT_GAS_SIPHON_I",
+        "MOUNT_GAS_SIPHON_II",
+        "MOUNT_SURVEYOR_I",
+        "MOUNT_SURVEYOR_II",
+        "MOUNT_SENSOR_ARRAY_I",
+        "MOUNT_SENSOR_ARRAY_II",
+        "MOUNT_MINING_LASER_I",
+        "MOUNT_MINING_LASER_II",
+        "MOUNT_TURRET_I",
+        "MOUNT_LASER_CANNON_I",
+        "MOUNT_MISSILE_LAUNCHER_I",
+        "MODULE_CARGO_HOLD_III",
+        "MOUNT_GAS_SIPHON_III",
+        "MODULE_SHIELD_GENERATOR_I",
+        "MODULE_SHIELD_GENERATOR_II",
+        "MOUNT_SURVEYOR_III",
+        "MOUNT_SENSOR_ARRAY_III",
+        "MOUNT_MINING_LASER_III",
+    ],
+    "EQUIPMENT": [
+        "SHIP_PARTS",
+        "LAB_INSTRUMENTS",
+        "RELIC_TECH",
+        "NOVEL_LIFEFORMS",
+        "BOTANICAL_SPECIMENS",
+    ],
+    "ELECTRONICS": [
+        "SHIP_PARTS",
+        "MILITARY_EQUIPMENT",
+        "LAB_INSTRUMENTS",
+        "ADVANCED_CIRCUITRY",
+        "MOUNT_SURVEYOR_I",
+        "MOUNT_SURVEYOR_II",
+        "MOUNT_SENSOR_ARRAY_I",
+        "MOUNT_SENSOR_ARRAY_II",
+    ],
+    "POLYNUCLEOTIDES": [
+        "MEDICINE",
+        "DRUGS",
+        "BIOCOMPOSITES",
+        "NANOBOTS",
+        "GENE_THERAPEUTICS",
+        "NEURAL_CHIPS",
+        "MOOD_REGULATORS",
+        "VIRAL_AGENTS",
+        "SUPERGRAINS",
+    ],
+    "AMMONIA_ICE": ["DRUGS"],
+    "MICROPROCESSORS": ["ADVANCED_CIRCUITRY", "AI_MAINFRAMES"],
+    "PLATINUM": [
+        "MODULE_SCIENCE_LAB_I",
+        "MODULE_ORE_REFINERY_I",
+        "MODULE_FUEL_REFINERY_I",
+        "MODULE_MICRO_REFINERY_I",
+        "QUANTUM_STABILIZERS",
+        "MICRO_FUSION_GENERATORS",
+        "LASER_RIFLES",
+        "ENGINE_ION_DRIVE_II",
+        "ENGINE_HYPER_DRIVE_I",
+        "MODULE_CARGO_HOLD_III",
+        "MODULE_JUMP_DRIVE_II",
+        "MODULE_JUMP_DRIVE_III",
+        "MODULE_WARP_DRIVE_II",
+        "MODULE_WARP_DRIVE_III",
+        "MOUNT_GAS_SIPHON_III",
+        "MOUNT_SURVEYOR_III",
+        "MOUNT_SENSOR_ARRAY_III",
+        "MOUNT_MINING_LASER_III",
+    ],
+    "ADVANCED_CIRCUITRY": [
+        "MODULE_SCIENCE_LAB_I",
+        "QUANTUM_STABILIZERS",
+        "ANTIMATTER",
+        "EXOTIC_MATTER",
+        "AI_MAINFRAMES",
+        "QUANTUM_DRIVES",
+        "GRAVITON_EMITTERS",
+        "ROBOTIC_DRONES",
+        "CYBER_IMPLANTS",
+        "NEURAL_CHIPS",
+        "MICRO_FUSION_GENERATORS",
+        "LASER_RIFLES",
+        "HOLOGRAPHICS",
+        "ENGINE_ION_DRIVE_II",
+        "ENGINE_HYPER_DRIVE_I",
+        "MODULE_CARGO_HOLD_III",
+        "MODULE_JUMP_DRIVE_I",
+        "MODULE_JUMP_DRIVE_II",
+        "MODULE_JUMP_DRIVE_III",
+        "MODULE_WARP_DRIVE_I",
+        "MODULE_WARP_DRIVE_II",
+        "MODULE_WARP_DRIVE_III",
+        "MOUNT_GAS_SIPHON_III",
+        "MOUNT_SURVEYOR_III",
+        "MOUNT_SENSOR_ARRAY_III",
+        "MOUNT_MINING_LASER_III",
+    ],
+    "URANITE": [
+        "QUANTUM_STABILIZERS",
+        "QUANTUM_DRIVES",
+        "MODULE_WARP_DRIVE_II",
+        "MODULE_SHIELD_GENERATOR_I",
+        "MODULE_SHIELD_GENERATOR_II",
+        "MOUNT_SENSOR_ARRAY_III",
+        "MOUNT_MINING_LASER_III",
+    ],
+    "MERITIUM": ["GRAVITON_EMITTERS", "MODULE_JUMP_DRIVE_III", "MODULE_WARP_DRIVE_III"],
+    "BIOCOMPOSITES": ["CYBER_IMPLANTS"],
+    "SHIP_PLATING": [
+        "SHIP_PROBE",
+        "SHIP_MINING_DRONE",
+        "SHIP_SIPHON_DRONE",
+        "SHIP_LIGHT_HAULER",
+        "SHIP_COMMAND_FRIGATE",
+        "SHIP_INTERCEPTOR",
+        "SHIP_EXPLORER",
+        "SHIP_LIGHT_SHUTTLE",
+        "SHIP_HEAVY_FREIGHTER",
+        "SHIP_ORE_HOUND",
+        "SHIP_REFINING_FREIGHTER",
+        "SHIP_SURVEYOR",
+    ],
+    "SHIP_PARTS": [
+        "SHIP_PROBE",
+        "SHIP_MINING_DRONE",
+        "SHIP_SIPHON_DRONE",
+        "SHIP_LIGHT_HAULER",
+        "SHIP_COMMAND_FRIGATE",
+        "SHIP_INTERCEPTOR",
+        "SHIP_EXPLORER",
+        "SHIP_LIGHT_SHUTTLE",
+        "SHIP_HEAVY_FREIGHTER",
+        "SHIP_ORE_HOUND",
+        "SHIP_REFINING_FREIGHTER",
+        "SHIP_SURVEYOR",
+    ],
+}