• Strong work ethic

    Granger employees don’t just work hard in order to get a return. They work hard because they believe in hard work as an ethic and value. Our employees know and appreciate that hard work produces character in them, excellence in their product, and satisfaction for those who benefit from their work.

  • intuitive and curious

    Granger employees are lifelong learners with a passion for creativity and imagination. Always observant, they invest time in listening and building trust with others, while continuing to seek knowledge and new paths to success. By challenging conventional approaches and embracing new ideas, Granger employees ensure they are continually on the cutting edge of delivering unique value to our customers.

  • discerning listener

    Granger employees aim to be active and attentive listeners, ensuring that projects are completed beyond our customers’ expectations through focused and collaborative effort. Realizing the importance of effective communication, our employees value the contributions of others and proactively seek out alternate viewpoints and perspectives in order to maximize understanding.

  • enjoys life and work

    Granger employees recognize that happiness and positivity are intentional. They approach life with a sense of optimism and seek a work-life balance that benefits their overall well-being. Our employees know that gratitude is an essential ingredient for happiness and take time to foster a sense of recognition and pride in others whenever possible.

  • humble

    Granger employees are team players who are invested in collaborative success — for our teams and our partners. They learn from their mistakes and are quick to credit others. Selfless and patient, Granger employees lead by example and define success collectively rather than individually.

The Granger Team

Our team is strong. Granger team members are leaders, collaborators and listeners willing to do whatever it takes to ensure that projects are completed to the total satisfaction of all stakeholders. Our staff has experience addressing complicated challenges on a wide variety of projects, forging lasting relationships and leading to repeat customers.

Alton Granger

Granger Construction is overseen by Chairman Alton Granger, who has been with the company since its start in 1959. Al has a degree in Civil Engineering from Michigan State University, and is a Registered Professional Engineer. Al spends much of his time with his wife, Jan, at their cottage on Gun Lake, where they met over 70 years ago, and at their Florida condo. Al firmly believes in abiding by the Golden Rule in both life and business, treating people as he wants to be treated.

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Alton Granger / Chairman

Glenn Granger

Glenn officially joined Granger Construction in 1990 as a third generation family member, and is now the President/CEO. He graduated from Alma College with a Bachelor of Science in Physics, has a Master’s of Engineering from the University of Utah, and has a Master’s in Business Administration from Harvard Business School. Glenn also has Dale Carnegie Sales Training and is LEED Accredited. Aside from running his business, Glenn is an avid volunteer and leader for the community. He also enjoys the adrenaline rush of going downhill skiing and wakeboarding, as well as spending time with his family.

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Glenn Granger / President/CEO

Dennis Carignan

Dennis Carignan joined the Granger team in 1998 and is currently an Executive Vice President. He has a Bachelor of Science in Construction Management from Michigan State University, a Masters in Business administration from the University of Michigan and is accredited as an AGC Associate Constructor. Building and remodeling are passions of his, things he does frequently at home and at his cottage. In his free time, Dennis can be found with his wife and two children.

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Dennis Carignan / Executive Vice President

Tim VanAntwerp

Tim VanAntwerp joined Granger in 2000 and currently works as Vice President of Sales. Tim also focuses on Lean operations, risk management, and higher education project support. He has a Bachelor of Science degree in Civil Engineering from Michigan State University, and a Juris Doctor from Wayne State University. Tim is a licensed engineer, licensed attorney, and serves on the Professional Advisory Board for Michigan State University’s Civil Engineering College. Tim enjoys backpacking and fly fishing as well as working together with his wife on their highest priority project—being great parents for their two children.

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Tim VanAntwerp / Vice President of Sales

Darryl Massa

Darryl Massa joined Granger in 1989, and served for many years as the Executive Vice President of Operations. Transitioning to a coaching role, he now focusses on helping train the next generation of Granger leadership in his role as Project Executive. Darryl graduated from Arizona State University with a Bachelor of Science in Civil Engineering, and is a Registered Professional Engineer in the state of Michigan. He adds responsible leadership, promotion of positive team attitudes across the organization and consistently exceeds the expectations of our customers. When he isn’t working, Darryl enjoys playing golf with the company of his wife and three adult daughters.

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Darryl Massa / Project Executive

Glenn Simon

Glenn Simon joined Granger in 1995 and is a Vice President of the company, as well as a Project Executive. He graduated from Michigan State University with a Bachelor of Science in Building Construction Management, and has completed the Dale Carnegie Leadership Course as well as the Dow Leadership Program. Glenn is a U.S. Army Corps. of Engineers Certified Quality Manager and is certified as a Construction Site Storm Water Operator (#C-08504) by the Michigan Department of Environmental Quality. Outside of work, Glenn likes playing golf and watching his daughters play high school basketball.

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Glenn Simon / Vice President and Government Market Leader

Rob Train

Rob Train joined Granger in 2001 and recently transitioned to the role of Executive Vice President of Operations, in addition to serving as the Corrections Market Segment Leader. Rob has a Bachelor of Science in Construction Management from Michigan State University, and has completed the Dale Carnegie Leadership Program. He holds a great number of accreditations, and has his General Contractors License in various areas across the United States, as well as his State of Michigan Builders License. Rob is a LEED Green Associate as well as a member of the American Society of Professional Estimators. Rob and his wife live in Sheridan, and have three teenage children that keep them busy and inspire him to be the “World’s Greatest Dad.”

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Rob Train / Executive Vice President of Operation and Corrections Market Leader

Jeff Tuley

Jeff Tuley joined Granger in 1993, and is currently the Commercial Market Segment Leader. He has a Bachelor of Science in Construction Science and Management from Western Michigan University, and is certified by the American Society for Healthcare Engineering. When he isn’t focused on Commercial Construction, Jeff enjoys golfing and skiing as well as watching his sons’ sporting events.

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Jeff Tuley / Senior Project Manager and Commercial Market Leader

Jon Upton

Jon Upton joined the Granger team in 1993, and is the Healthcare Market Segment Leader. He has a Bachelor of Science in Civil Engineering from Michigan Technology University, and has completed the Dale Carnegie Leadership Course. Jon Upton is also certified by the American Society for Healthcare Engineering. In his free time, Jon enjoys outdoor activities of all kinds—particularly hunting and boating.

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Jon Upton / Project Director and Healthcare Market Leader

Ben Schneider

Ben Schneider has been a part of the Granger team since 1996, and currently is a Vice President and the Industrial Market Segment Leader. He has a Bachelor of Science in Construction Management from Eastern Michigan University, and is a member of the Building Enclosure Council of Detroit, as well as the Washtenaw Contractors Association. When he’s not at work, Ben stays busy with his large family of six sons and three daughters.

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Ben Schneider / Vice President and Industrial Market Leader

Paul Roller

Paul Roller joined the Granger team in 2000, and is the Higher Education Market Segment Leader. He has both a Bachelor of Science in Civil and Environmental Engineering and a Bachelor of Science in Architecture from the University of Michigan. Paul has completed the Dale Carnegie Leadership Program and is a LEED accredited professional. When not at work, Paul enjoys reading, attending sporting events, planning various home improvement projects and spending time with his wife and two children.

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Paul Roller / Senior Project Manager and Higher Education Market Leader

Jason Woehrle

Jason Woehrle joined the Granger team in 2017 as Regional Director for the Columbus, Ohio office. He has a Bachelor of Science degree in Mechanical Engineering from The Ohio State University. Jason’s volunteer work with Nationwide Children’s Hospital, Charity Newsies, and Columbus Public Schools earned him a “Forty Under 40” award from Columbus Business First in 2016. Jason resides in Columbus with his wife and 3 children.

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Jason Woehrle / Regional Director, Columbus, Ohio


As a family-owned company, Granger considers it a privilege to serve our communities. We aim to positively advance and affect the communities where we live and work with every project we undertake and by being an active participant and supporter of community events and initiatives.

LCC Clock Tower Dedication

Lansing Community College recently welcomed a new landmark on campus with the completion and dedication of a new clock tower on Wednesday, September 19. While team members at Granger Construction proudly assisted in construction of the new six-story timepiece, the …

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United Way Days of Caring 2018

Today (September 14, 2018), Granger proudly joined fellow community members participating in the Capital Area United Way Days of Caring. This year, the local United Way Days of Caring activities are focused on addressing issues of food security. Therefore, volunteer …

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