| Name | Title | Contact Details |
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The Teaching Company is a Chantilly, VA-based company in the Education sector.
Duke University is a private research university in Durham, North Carolina.
Florida LambdaRail is a Lady Lake, FL-based company in the Education sector.
Missouri Southern State University is a public university in Joplin, Missouri, United States.
Education Planet dba Lesson Planet, is a for-profit education company based in Santa Barbara, California.