System Atlas
Segment · within 238
Browse what is insideInherits Construction

Specialty trade contractors

One trade on other people's projects: concrete, steel, roofing, electrical. It has no schema of its own: companies here are mapped on the Construction schema, and what it does not cover is recorded as gaps.

Baseline
Construction v2
Inherited from
Construction
Companies mapped
0 of 0
Primitives
22 in 5 parts
Last updated
Nov 2, 2026