Blake Koch is an semi-retired American professional stock car racing driver and businessman. He last competed in the NASCAR Xfinity Series, driving the No. 11 Chevrolet Camaro for Kaulig Racing. He is also the founder of FilterTime, a residential air filter company that delivers the filters to consumer's homes on a regular basis.

Kaulig Racing is an American professional stock car racing team that competes in the NASCAR Cup Series and NASCAR Xfinity Series. The team is owned by Matt Kaulig, an owner of team sponsor LeafFilter. Kaulig Racing fields two Cup Series Chevrolet Camaro ZL1 teams: the No. 16 full-time for multiple drivers, and the No. 31 full-time for Daniel Hemric. It also fields three full-time Xfinity Chevrolet Camaro teams: the No. 11 for Josh Williams, the No. 16 for A. J. Allmendinger, and the No. 97 for Shane van Gisbergen in a partnership with Trackhouse Racing. Kaulig also fields the No. 10 part-time for Daniel Dye. The team has a technical alliance with Richard Childress Racing, and formerly operated out of the NTS Motorsports facility.