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A Cadistics LLC Brand
Online-PDH.com
The original Cadistics brand and one of the longest-running independent PDH providers on the web. Online-PDH delivers self-paced, downloadable continuing education for Professional Engineers in all 50 states — built and reviewed by licensed PEs.
Coverage
What Online-PDH teaches
- Ethics, Law & Administration
- Construction & Structural
- Water Resources & Environmental
- Mechanical & Power Systems
- Electrical
- Transportation & Bridges
- Surveying & Geotechnical
- Fire Protection & Safety
- Emerging Technologies
- 800+ courses, 4,500+ hours. A catalog broad enough to cover an entire license renewal — or an entire career.
- Preview before you pay. Every course is open for full review before checkout. Trust first, payment second.
- Simple pricing. $15 per PDH credit, or a 24-month unlimited plan at $135.
- A perfect acceptance record. In seventeen years, not one course has ever been denied by any state board.
The Family
One of six Cadistics brands
Online-PDH shares the development standard, compliance discipline, and trust-first model of the entire Cadistics family — anchored by Online-PDH.com’s seventeen-year record.