Final answer:
The question deals with North American Construction Corp.'s business sectors. The Census Bureau’s construction survey and capital expenditures survey are relevant to these industries for making informed investment decisions.
Step-by-step explanation:
The subject of the question pertains to North American Construction Corp., which operates in three business segments: surveying, excavating, and planning. Understanding the context of the question, we can recognize that investments in these segments of the construction industry can be informed by the Census Bureau's activities. Specifically, the Bureau conducts a monthly survey of construction and an annual survey of expenditures on physical capital equipment, which can provide valuable data for companies within this industry to make informed investment decisions.