| Name | Label | Concept | Required | Attribute of | Limit | Predicate Type | Group | |
|---|---|---|---|---|---|---|---|---|
| 1 variable | ||||||||
| SECTOR | NAICS economic sector | Utilities: Subject Series - Misc Subjects: Construction Activity by Utilities for the U.S.: 2012;Transportation and Warehousing: Subject Series - Misc Subjects: Construction Activity by Pipelines for the U.S. and States: 2012 | not required | NAICS2012 | 0 | string | EC1248SXSB4, EC1222SXSB4 | |