Before you travel
Find Storage Hunters Open World NPC locations first.
Check the location and unlock requirement first. If the NPC has a quest page, open it to see the full checklist and which items you should keep.
NPC Wiki
Use this Storage Hunters Open World NPC list to find each character, check what they do and open any quests tied to them. Missing quest lists are marked instead of filled with guesses.
NPC directory

The Alien Boss is the boss of the invasion.

The Alien Market Trader sells potions which are bought with Alien Coins.

Rick wants cows in exchange for Alien Coins that can be used with the Trader to buy potions.

Basketball Player 6 is located at the Basketball Court in front of the Back Alley.

Basketball Player 7 is located at the Basketball Court in front of the Back Alley.

Fuel Station-man gives Pump Restoration at the Fuel Station in Back Alley.

The Mysterious Man hides behind Sal's usual location in the Back Alley.

Sal operates in the Back Alley and provides mid-tier progression quests.

Lake-man is the caretaker of the Lake and provides fishing-related quests.

Surf-Man is found at Lucky Beach.

Tollbooth Guard stands at the bridge leading to Lucky Beach, blocking passage until his request is completed.
Before you travel
Check the location and unlock requirement first. If the NPC has a quest page, open it to see the full checklist and which items you should keep.
Missing quests
Some quest rewards are still incomplete even when every objective is listed. NPC pages link each documented checklist and mark unknown rewards clearly.
Quick answers
This guide currently covers 21 NPCs, including quest givers, merchants, caretakers and limited-event characters.
No. Some NPCs sell vehicles or handle other services. A few quest givers are listed here before their full task and reward lists are known.
Search by name, role or location, then open the NPC page for directions, unlock requirements and available quests.
Check the value of items requested by NPC quests.
Use the map alongside NPC location notes when planning a route.