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United Materials’ Team

The United Materials team is known across Western New York for being approachable, dependable, and easy to work with. Many customers know our team members by name, built on years of shared projects, early morning pours, and on-site problem-solving together.

As part of a locally focused, community-minded company, United Materials’ team takes pride in supporting the contractors, owners, and neighbors who keep this region thriving.

People First, Built on Shared Values

As a part of the Votorantim Cimentos family of companies, the United Materials team lives Our VC Way every day, blending the warmth and trust of a family-run business with the support and global resources of VCNA.

This means fostering genuine relationships, prioritizing safety, and tackling every project with the same enthusiasm and reliability you’d expect from neighbors who’ve got your back.

Meet Our Team

Mike Rautenstrauch

Aggregate Plant Supervisor

Sandy Karaszewsk

Maintenance Manager

Keith Sykes

Materials Inventory Coordinator

Suzzane Gatti

Receptionist

Michael Annichiarico

Dispatcher

James Stechenfinger

Dispatcher

Calvin Hudson

Dispatcher

Daryl Vernon

IT Product Owner

Justin Smith

Plant Manager

Greg Kowal

Plant Manager

Matthew Vincent

Safety Specialist

Paul Suchyna

Quality Control Technician,

John Long

Senior Quality Technician

Amy Sojka

Inside Sales Analyst Supervisor/Billing

Evan McCabe

Sustainability & QC Specialist

Dan Rautenstrauch

Aggregates Salesman

Shannon Reeves

Ready-Mix Salesman

Justin DiChristopher

Ready-Mix Salesman

Mario Avarello

Ready-Mix Salesman

Steve Riggi

Ready-Mix Salesman

Michelle Brown

Regional Human Resources Manager,

Jason Hauck

Scheduling Manager

Sean Morningstar

Operations Manager

Anthony Rebmann

Sales Manager

Eric Albrecht

Technical Services Manager