Builders

3 clues
Civil engineers
Babel people, e.g.
They have lots to deal with
Similar answers:
Abcmurders
Abicyclebuiltfortwo
Abiders
Abraders
Academicladders
Acceders
Adders
Adderstongue
Adogofflanders
Aframebuildings
Aheapofhotrodders
Aiders
Airbuilt
Alandershowitz
Alders
Aldershot
Alderstatesman
Alexanders
Alexandersragtimeband
Anders