Vol. III · Issue 06 · June 2026
Cornerstone Business Review
The Interview Archive

Stories from the operators rebuilding their industries.

Every interview is reported by the Cornerstone editorial team. We publish how the business actually works — the systems, the people, and the numbers behind the growth.

Evergreen Landscaping Co.
Landscaping · Austin, TX

How Evergreen Landscaping Tripled Revenue Without Adding Crews

By rebuilding intake around an AI receptionist and a tighter CRM pipeline, Evergreen turned missed calls into its largest growth channel.

March 4, 2026 · Read interview →
Summit Roofing Group
Roofing · Denver, CO

Summit Roofing's Quiet Bet on Automation Reshaped a Regional Market

A Denver roofer rebuilt estimating, dispatch, and reputation management around a single operating system — and pulled away from rivals.

February 18, 2026 · Read interview →
Lumen Med Spa
Med Spa · Scottsdale, AZ

Inside Lumen Med Spa's Concierge Model — and the Systems That Made It Possible

A single-location aesthetics practice rebuilt its booking and follow-up engine and became the highest-rated provider in its market.

January 29, 2026 · Read interview →
Harbor HVAC
HVAC · Tampa, FL

Harbor HVAC Built a 24/7 Service Brand With Eleven Technicians

By layering AI call handling on top of a disciplined dispatch model, Harbor competes — and wins — against operators five times its size.

January 12, 2026 · Read interview →
Ironclad Pest Control
Pest Control · Charlotte, NC

Ironclad Pest Control's Subscription Model Quietly Doubled Customer Lifetime Value

Renee Whitaker turned a transactional service into a recurring-revenue business and changed how the company hires, prices, and forecasts.

December 20, 2025 · Read interview →
Northstar Electrical
Electrical · Minneapolis, MN

Northstar Electrical's Bet on Transparent Pricing Reset a Local Market

Flat-rate pricing, instant proposals, and a public scorecard turned a family electrical shop into the most-booked operator in the Twin Cities.

December 4, 2025 · Read interview →