San Francisco, CA
Hartwell HVAC
Phoenix, AZ
Real ink. Real envelope. USPS.
Hand-addressed letters to your top ~400 priority owners. The channel an owner can't filter or delete, and the one their assistant always brings them. Founders, partner-stage owners, and trades operators read every envelope and ignore email by reflex.
The physical artifact that signals seriousness and a longer time horizon than another templated outreach.