Seamless Sticky Custom Post Types Plugin
Extends the native sticky post functionality to custom post types in a way that is identical to default posts.
There are no settings or custom functions. Set custom post types to be sticky just as you would with regular posts, and those post id’s will be included in the result of get_option( 'sticky_posts' ).
PLEASE NOTE In order to integrate as seamlessly as possible, this plugin will not alter any queries or filter any functions. If your sticky posts aren’t appearing the way you want, there’s probably a good reason in your query (Is ignore_sticky_posts set to true? Is post_type set to a different type?). This plugin may be most appropriate for developers who just want the native sticky post UI and no other superfluous features.
If you find this plugin useful, please rate it accordingly.
Screenshots
The sticky post checkbox that appears for regular posts will be available for your custom post types.
As will the sticky post checkbox in quick edit.