# Data Collection
Aterio captures industrial development activity across the United States through a combination of public and observable sources:
* Press releases, corporate filings, and company websites
* Satellite and aerial imagery to verify on-the-ground progress
* Federal, state, and local permitting data
* Utility and infrastructure filings (power, water, transmission, transport)\
Manual validation by analysts before any record is published
All data is sourced from open, non-sensitive records. The dataset excludes AI-generated content, scraping activity, and any private or undisclosed information.
### How We Monitor Development: Verifying Construction and Site Progress
Aterio uses high-resolution satellite and aerial imagery to monitor construction progress across major industrial projects, ranging from manufacturing plants and battery facilities to large hospitals, logistics hubs, energy infrastructure, and semiconductor fabs. Our analysts review each site image to identify verifiable construction milestones such as site grading, concrete foundations, steel framing, roof completion, and utility infrastructure.
Typical verification markers include:
* Site preparation and structural activity (earthwork, foundations, framing)
* Utility and infrastructure progress (substations, access roads)
* Equipment or systems installation (turbines, generators, tanks, or production lines)
### Visual Progress Example
Each project record includes timestamped observations to illustrate progress over time. All updates are reviewed and validated by analysts following strict visual confirmation criteria.
**Example construction note:**
{% hint style="success" %}
\[2024-11-16 DS] Construction: Structural steel framing advancing across central sections; partial roof installation visible on west and south wings.
{% endhint %}
This verification process ensures that each entry reflects confirmed, consistent, and timestamped development activity, providing our clients with reliable insight into project momentum, construction progress, and regional industrial growth patterns.
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