With manufacturing less than 5% of workers in core countries, and without a peasantry (more on that in a sec) the hammer and sickle symbol while iconic feels stuck in nostalgia to me. At the same time nothing I can come up with has the same resonance.

However I did come up with something silly I was hoping someone could sketch! Thinking it could be a spatula to represent service workers, a caduceus (shocked i got that right on the first try) to represent care workers over a steering wheel to represent transportation and logistics?

Also to the point about the peasantry, while there aren't peasants in most of the imperial core there is often a group of extremely oppressed non-citizen migrant farm workers whose experience cannot go unacknowledged. A really effective organization committed to justice and some vision of socialism must organize among them too because they deserve dignity and a decent life too.