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Occidental Roofing Company

Built for Certainty.

An institution designed so that craft, systems, ownership, and formation compound in the same direction. Founded by a family. Run by professionals. Owned by the people who do the work.

The Occidental monogram
Quality

Badness you can get easily, in quantity; the road is smooth, and it lies close by. But in front of excellence the inmortal gods have put sweat, and long and steep is the way to it, and rough at first. But when you come to the top, then it is easy, even though it is hard.

Hesiod
The Sierra Madre Occidental — El Espinazo del Diablo
The Sierra Madre Occidental · El Espinazo del Diablo
Origin

The name isa mountain range.

The Sierra Madre Occidental. The family crossed it every season on El Espinazo del Diablo—the Devil’s Backbone. They prepared for days. Only the steadiest hands drove.

In 2013 a bridge crossed the same mountain. The Puente Baluarte shortened the journey by three hours. The old road remained. It was not erased. It was mastered.

The mountain gave the name. The bridge gave the method: respect the crossing, then engineer it. Every roof is a crossing. Our work is to make it certain.

Occidental

“The West is not a location, not a race, not a nationality, but a set of ideas.”

David Deutsch
Spirit

Old trade.New machines.

The craft is kept to the standard that existed before us. The machine is engineered in our own systems. The institution is built to hold both. Technology should empower people, never replace them.

We do not choose between the rider and the engine. We keep the discipline of the one and take every instrument of the other. We are the riders who build the machine.

An eagle hunter of the Altai meets a rider who came by engine
An eagle hunter of the Altai meets a rider who came by engine. Two thousand years apart, the same posture.
Purpose

To renew the roofing trade.

Vision

An industry that dignifies the craftsman, serves the customer, and elevates the community.

Mission

The discipline of an engineering corporation. The innovation of a technology company. The conscience of a family business.

Values

Excellence.

The standard of the outcome.

Craftsmanship.

The method.

Accountability.

Ownership of outcomes.

Dignity.

The posture toward people.

Rectitude.

Conduct when no one is watching.

Each value serves the one above it. All five serve the client.

Operational excellence is not our destination. It is our discipline.

Order of Operations

Safety

Quality

Timeline

Value

Safety · Quality · Timeline · Value
Safety

People and property protected at every stage. If Safety fails, the work stops.

Quality

Craft and materials held to documented specification. Verified before and after the work.

Timeline

Commitments kept. The calendar is a contract. No surprises introduced by the company.

Value

Performance measured against the owner’s long-term interest, not the bid price.

Nothing advances out of sequence. A decision that improves Timeline at the expense of Quality is rejected. A decision that improves Value at the expense of Safety is rejected. The hierarchy is not a preference. It is a constraint.

Team

The people whoraise the standard.

Their expertise is the foundation. Their formation is the purpose.

The structure is designed so that ownership, capability, and character compound with those who get the work done.

Roofing Specialist Engineer

Manuel Coronado

Civil Engineer with HAAG training in mechanical roof damage and metal systems. Master’s in urban planning. Specializes in inspections, damage assessment, leak investigation, and project management.

A patient operator and a structured problem-solver who competed at the state level in public speaking.
Manuel Coronado
Roofing Specialist Engineer

Diego Santana

Civil Engineer and Haag Certified Inspector in residential and commercial roofs. Applies rigorous planning, technical assessment, and field leadership. Emphasizes preparation and documentation that protect the owner’s long-term interest.

Prior experience as superintendent on high-value construction, including the $203M New U.S. Consulate Compound in Nogales.
Diego Santana
Project Manager

Nicholas Acosta

NRCA Foreman certified. Directs execution on site: sequence, crew discipline, and loss control. Selected for drive and attitude. Now shapes field culture and the client experience.

Defines purpose through family and a code of honor: keep your word and work with integrity.
Nicholas Acosta
Production Manager

Gustavo Valenzuela

Built and continuously refines the production system, scheduling protocols, and field processes. Ensures projects run with consistency from contract to completion.

Treats production as continuous improvement: better systems free people to do high-quality work.
Gustavo Valenzuela
Operations Manager

Gabriela Armenta

Directs cross-functional operations: project coordination, crew support, customer communications, and internal systems. Focused on documentation and process discipline.

Keeps the work moving cleanly and predictably.
Gabriela Armenta
Managing Principal

Gustavo Lopez

Directs the full project pipeline. Oversees complex residential and commercial work from first contact through completion across every major roofing system.

Specializes in technical evaluation, insurance documentation, and client education. Measures success by the rare moments clients express genuine relief.
Gustavo Lopez
Founder & President

Fernando Moreno

Leads strategy, systems architecture, and ownership culture. Formative years inside a financial planning firm instilled operational discipline and a fiduciary standard of service. Engineering education added systems thinking.

Builds an organization defined by innovation, operational excellence, and the patient formation of people.
Fernando Moreno
Credentials

Certified. Verified.Held to standard.

Every credential below is current, documented, and independently verifiable.

HAAG Certified Inspector · Residential Roofs
HAAG Certified · Residential

Forensic damage-assessment certification for residential roofing systems.

HAAG Certified Inspector · Commercial Roofs
HAAG Certified · Commercial

Forensic damage-assessment certification for commercial and low-slope systems.

NRCA Member
NRCA Member

Member, National Roofing Contractors Association.

BBB Accredited Business
BBB Accredited

Accredited business, held to BBB standards of conduct and complaint response.

TAMKO Pro Platinum Contractor
TAMKO Pro Platinum

TAMKO's highest contractor tier, with access to enhanced system warranties.

LicenseArizona Registrar of Contractors · ROC #344347Licensed, bonded, and insured.
The Architecture

We are not building a better traditional roofing company. We are building a different kind of company — one that treats the technological system, the ownership system, and the formation system as equal design problems.

This is the Master Builder model updated for machine intelligence and aligned capitalism. The ambition is not scale for its own sake. It is to build an institution that can still be serious in forty years.

Ownership System

Structures in which the people who create the value participate in the growth they generate, under the patient capital required to build an enduring institution.

Operating System

Proprietary systems that turn uncertainty into engineered certainty across estimating, production, quality, and long-term performance. The operating system and the company are being built together.

Formation System

The whole person formed inside real work, where the job is the filter and the formation at once. A trade renews only when the people who carry it are formed to carry it.

Careers

We are looking for peoplewho want to raise the standard.

Precision over volume.
Ownership over activity.
Long horizon over short-term output.
Apply