Engine Yard is a San Francisco, California, based, privately held[1] platform as a service company focused on Ruby on Rails, PHP and Node.js deployment and management.

These partners provide add-on services such as application performance management, email deliverability, load testing and more, within the Engine Yard Platform.

[9] Early in 2013, under the guidance of Eamon Leonard and PJ Hagerty, Engine Yard began what many recognize as the first Developer Relations team.

In June 2013, Engine Yard formed a strategic alliance with Microsoft[11] and went live on Windows Azure marketplace on July 31, 2013.

[17] In July 2008, Engine Yard secured an additional $15 million from a combination of Benchmark Capital, New Enterprise Associates, and Amazon.