K9 Fasteners® - 15 Years of Success

In this From the Ground Up™ episode, host Karol Weyman is joined by Barry Campbell, of Campbell Contracting LLC and K9 Fasteners, to dig into the origin of K9 Fasteners and how a contractor-driven idea became a brand focused on strength, reliability and real-world performance. Learn what sets these fasteners ...

Mark Petri - Built to Hold: Fasteners That Matter

April 6, 2026 at 6:29 a.m.

In this From the Ground Up™ episode, host Karol Weyman sits down with Mark Petri, owner of Petri Building and Design, to talk about jobsite insights on why fastener choice matters more than most contractors realize — from corrosion resistance and structural strength to installation speed. Drawing on firsthand experience ...