Manthei Supply is a family-owned business with community-centered values, focusing on delivering the best possible experience for customers. They offer stone and landscape materials in Northern Michigan, including manufactured hardscapes, natural stone, topsoil, mulch, gravel, and more. The company prioritizes safety in the workplace, impact on communities, and continuous improvement. Manthei Supply's core services revolve around providing a variety of building products and services while emphasizing safety, community impact, and excellence in their work.