Second Nature is a consumer goods company founded in 2012 and based in North Carolina, United States. They specialize in providing air filters through a web-based platform, offering services such as shipping, installation, and maintenance to help improve indoor air quality and protect HVAC systems.

Thumbtack is a technology company dedicated to helping homeowners manage and enhance their living spaces by connecting them with a vast network of local service providers. With over 10 million 5-star projects completed, Thumbtack offers personalized guidance for home improvement and maintenance needs.