Since 1997, Summit has grown steadily by helping clients solve difficult infrastructure challenges with practical expertise, coordinated teams, and dependable execution.
Summit Design & Engineering was founded in 1997 with a straightforward belief: infrastructure projects work better when technical expertise, accountability, and coordination are treated as equally important.
Founded in 1997 as Callemyn-Parker,Inc. the firm was established through the partnership of Principal and Chairman Jim Parker and land surveyor Alois Callemyn. What began as a local engineering firm has grown over time in response to client needs. As projects became larger, schedules tighter, and coordination more demanding, clients increasingly needed a partner capable of bringing multiple disciplines together under one team.
We responded by expanding carefully and deliberately. We added technical capabilities, opened offices closer to the clients we serve, and invested in the people and systems required to support more complex work across multiple states.
Today, Summit is a 350+ person firm operating across 14 states. Our teams include architects, engineers, surveyors, inspectors, planners, and field professionals working together to deliver infrastructure projects that are practical, buildable, and designed to perform over the long term.
We are architects, engineers, planners, surveyors, field specialists, and strategists—unified by a single standard of performance.
Infrastructure projects affect how communities move, grow, and function over time. Summit approaches that responsibility with technical discipline, practical problem solving, and a long-term view of performance.
Our work is grounded in coordination, accountability, and steady execution across every phase of a project—from planning and engineering to field operations and construction support.
The work we do affects public infrastructure, active job sites, and the communities that depend on them every day. Safety is part of every decision we make—in the field, during design, and throughout project delivery.
Complex projects require more than technical expertise. They require teams that work well together.
Our integrated approach helps reduce delays, improve communication, and keep projects moving efficiently across disciplines, agencies, and contractors.
Infrastructure systems must continue performing long after construction is complete. We consider constructability, maintenance, durability, and long-term operational realities throughout the planning and design process so clients can make informed decisions that hold up over time.
We believe trust is built through consistency. When challenges arise, we address them early and work collaboratively to keep projects moving forward responsibly.
Founded in 1997, Summit has grown from a regional engineering firm into a nationally connected, multidisciplinary firm serving public and private clients across the country.
Over the years, we have expanded our expertise, broadened our geographic reach through strategic partnerships and acquisitions, and invested in new disciplines and emerging services to meet the evolving needs of our clients and the communities we serve. As technology and data have transformed our industry, we have continued to evolve by integrating strategy, technology, and data-driven solutions that help clients make informed decisions, improve efficiency, and maximize the value of every project.
Today, we operate from our corporate headquarters in Raleigh, North Carolina, with multiple offices serving clients nationwide. Organized around four integrated focus areas—Field Services, Design Services, Architecture Services, and Strategy—our multi-company organization brings together specialized expertise to deliver seamless solutions across the entire project lifecycle.
While much has changed since 1997, our purpose has remained the same—to build lasting relationships, strengthen the communities we serve, and help our clients succeed. Our history reflects a company that embraces change, adapts to new challenges, and continues to invest in its people and capabilities. That resilience has fueled our growth for nearly three decades and continues to shape the future of our company, our clients, and the communities we serve. We believe our greatest achievements are still ahead.
Summit is led by professionals with deep experience across engineering, architecture, construction inspection, surveying, and infrastructure planning.
Our leadership team remains closely connected to the work itself and actively engaged with clients, projects, and field teams across the organization.

Principal and Chairman of the Board

CEO & President

Chief Financial Officer & Treasurer
Across every office and discipline, Summit’s teams are empowered to make decisions, solve problems collaboratively, and build long-term client relationships grounded in trust and responsiveness.
Summit is headquartered in Raleigh, North Carolina with offices in Colorado, Virginia and Florida supporting projects throughout the Southeast, Mid-Atlantic and Mountain West.
Our teams work in the communities they serve. That local presence matters—especially in infrastructure work shaped by regional regulations, environmental conditions, permitting processes, and agency requirements.
Clients benefit from teams that understand local conditions while also bringing the resources and coordination capabilities of a larger multidisciplinary firm.
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Summit’s growth has been driven by people who take pride in solving difficult problems and delivering dependable work.
We invest in technical development, leadership growth, and long-term career opportunities for professionals who value teamwork, accountability, and practical problem solving.
Our culture rewards initiative, collaboration, and steady performance over ego or visibility. Many of our strongest client relationships have been built by team members who have grown their careers here over many years.