AD Systems

High-Performance Sliding & Swinging Door Systems for Modern Interiors

AD Systems specializes in performance sliding and swinging door systems engineered for acoustics, space savings, and high-end interior functionality. Since 2009, the company has expanded from corporate officefront solutions to advanced systems widely used in healthcare, outpatient, and commercial facilities. Known for customization, innovation, and elevated design features, AD Systems delivers door solutions that enhance privacy, functionality, and space efficiency.

Discover AD Systems

Since 1938, American Doors has supplied commercial doors, frames, and hardware across the U.S., growing from a Houston-based distributor into a multi-market platform serving contractors throughout Texas and Colorado. Family-owned for more than 85 years, we emphasize continuity and craftsmanship, with AHC-certified hardware specialists and experienced estimators delivering fully coordinated Division 8 and Division 10 solutions from specification through installation.

1 (713) 681-8047

About Products brands locations

American Doors is part of Riverbend Industries, a family-owned industrial group focused on building durable, operating businesses.

Riverbend partners with management teams for the long term—investing in people, systems, and manufacturing capability while preserving the culture and accountability that make each business successful.

Our Brands

American Wheatley Serenity Sliding Door Systems Phoenix manufacturing

williams InOvate Dryer Products Cozy Heating Systems

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Nicole Baber

Director of contract management

Nicole Baber is Director of Contract Management, overseeing contract administration, coordination, and process consistency across projects. She brings more than seven years of experience across customer service, sales support, project coordination, and contract management. Nicole focuses on accuracy, risk reduction, and disciplined workflows that support clear communication, reliable handoffs, and consistent execution across teams.

Kyle Sardi

DIRECTOR OF PROJECT MANAGEMENT - CO

Kyle Sardi is Director of Sales, Colorado, responsible for regional sales performance and customer engagement. He brings more than 15 years of experience in commercial door, frame, and hardware sales and estimating. Kyle focuses on aligning scope, pricing, and expectations early to support smooth execution and strong customer relationships across the Colorado market.

Luis Castillo

DIRECTOR OF OPERATIONS - TX

Luis Castillo is Director of Operations, Texas, overseeing installation, warehouse operations, and counter sales across a large, multi-branch market. He brings nearly 30 years of experience across commercial door, frame, and hardware operations, including hardware, counter sales, and branch management. Luis focuses on operational consistency, cross-team coordination, and scalable execution across Texas markets.

Mike Hurst

DIRECTOR OF OPERATIONS - CO

Mike Hurst is Director of Operations, Colorado, overseeing installation, warehouse operations, and counter sales across the region. He brings more than 30 years of experience in commercial construction, with deep expertise in field execution and service delivery. Mike focuses on jobsite coordination, installation quality, and responsive local support for contractors across Colorado.

Brenda Swisher

Director of sales - TX

Brenda Swisher is Director of Sales, Texas, responsible for sales performance and long-term customer relationships across the state. She brings nearly 20 years of experience in commercial door, frame, and hardware sales, with deep familiarity across accounts, contracts, and project requirements. Brenda focuses on account continuity, coordination with internal teams, and supporting reliable delivery at scale across Texas.

Patrick Hooie

Director of Projects & Estimating

Patrick Hooie is Director of Projects and Estimating, leading the estimating function and overseeing project execution across markets. He brings more than a decade of experience spanning estimating, project management, and operations, with a strong focus on technical accuracy and disciplined execution. Patrick ensures clean handoffs from preconstruction through closeout, supporting consistent delivery across regions.

Brian Koski

President

Brian Koski is President, responsible for overall strategy, performance, and organizational leadership. He brings nearly 30 years of experience across commercial doors and HVAC, with a track record of driving operational improvement, profitable growth, and disciplined execution. Brian focuses on strengthening vendor partnerships, expanding market presence, and building durable teams that deliver reliable results on complex commercial projects.