There are some startups, but they seem to be very limited in their growth potential given the very cyclical nature of construction. I believe this hampers their access to VC and debt funding, so they don't make as big of a splash.
My city has a local construction startup that is trying to drop the cost of housing units by fabricating panels and rooms offsite and assembling at the construction site: https://www.modulehousing.com/
My city has a local construction startup that is trying to drop the cost of housing units by fabricating panels and rooms offsite and assembling at the construction site: https://www.modulehousing.com/