The phrase "production shingle" refers to a company or organization that produces TV shows, movies, or other forms of entertainment. It is like a small group that manages and oversees the creation and development of these projects. Full definition
Sacchi started his own production shingle in 2017 focusing on producing film and television for Lionsgate Entertainment and other major networks and studios. (liferichpublishing.com)
Cinematically, he divided his subsequent efforts between producing (for his Blue Tongue Films production shingle, co-run with his brother) and acting, but placed the greatest emphasis on acting. (rottentomatoes.com)
Then again, it's from producer J.J. Abrams and his Bad Robot production shingle that wears its mystery - box surprises and secrets like a badge of honor. (indiewire.com)