Here is the full list of all 25 CITYCONOMY: Service for your City achievements.
Complete 25 tasks as Street Sweeper
Unlock all Contracts
Complete a task in Old Town
Complete 25 tasks as a Garbage Man
Complete 50 tasks of any kind
Complete a task in Industrial Park
Complete a task in Suburbia
Complete a task in Business Center
Complete 10 tasks of any kind
Send an Employee on a task
Complete a task in Residential District
Take out a loan
Complete 100 tasks of any kind
Complete 25 tasks as a Gardener
Complete 25 tasks as a Tow Truck Driver
Complete 25 tasks as a Plumber
Drive 100 km
Walk 50 km
Accumulate 100,000 euro
Accumulate 1,000 Citizen Satisfaction points
Own all types of Vehicles and buy all the Buildings
Buy a depot
Repay a loan
Own 5 Vehicles
Unlock all skills