ST++ +       B+++  +++  M     +++S++  +HBE++      P +B+    ++SH       +++            D            PMM+PM + M       +++    F++ + F+P    ++ + B++ P+++           ++ + +M +

D - Depot. (place to repair ship, refuel ship, and buy extra fuel)
E - Exchange (place to buy goods)
B - Bank
F - Bar (food, beer, buy/sell)
S - System Parts
G - Guns Shields and Rapidheals
H - Hotel
M - Public Teleport (within city)
T - Tube Station (city to city)
P - Secure Parking lot
+ - Building (does nothing)