The last few years have been revolutionary for CMES – welcoming new people, strengthening our culture, clarifying our vision for growth, and embracing modern technology. At the heart of this evolution is a simple belief: we build people first, and we lead with a culture-driven mindset. As we step into CMES’s most modern era, we’re committed to building a brand that reflects where we’re going and what we stand for. This isn’t change for the sake of change – it is purposeful progress designed to elevate our teams and the work we deliver. The future of CMES is being built with intention, and we’re excited to bring our partners along for what’s next.
Yellow and blue represent the balance at the core of CMES: honoring where we come from while building toward where we’re going. Yellow is our foundation—construction at its most recognizable—grounded in grit, visibility, and the day-to-day reality of getting work done safely and effectively. Blue is our horizon, symbolizing the future we’re creating through technology, modernization, and smarter ways of delivering projects. Together, these colors reflect our vision of growth: scaling with intention, elevating our teams, and building systems that make great construction repeatable—not reactive. This brand shift is a signal that CMES is re-envisioning how construction is done, combining field-proven execution with forward-looking innovation. It’s a commitment to progress that you can see—and results you can measure.
Dedicated Employees
Projects Completed
Industry Expertise
We’re not just building projects — we’re building impact, legacy, and trust. Every decision, every detail, and every dollar spent reflects our commitment to lasting quality. It matters because nothing is more important than our people going home safe, every day. Safety isn’t just a rule — it’s a culture we create through leadership, care, and accountability.
Character is the foundation of everything we do. We treat people with respect, act with integrity, and take ownership of our words, actions, and results. It matters because who we are is more important than what we do. Strong character creates trust, unity, and a culture where people thrive and take pride in their work.
We’re not just building projects — we’re building impact, legacy, and trust. Every decision, every detail, and every dollar spent reflects our commitment to lasting quality. It matters because the work we do leaves a mark — on the land, on communities, and on our reputation. Purposeful work ensures we build things that last and relationships that grow.
We take pride in what we do — but we’re never done growing. We challenge ourselves and each other to keep learning, improving, and pushing for better every day. It matters because improvement isn’t a destination — it’s a mindset. Our willingness to grow keeps us competitive, innovative, and proud of what we achieve together.
Charles “Champ” Rittenhouse has excelled in business management, leadership, and financial management in the construction industry for over 30 years. In the last 25 years of his career, he has served in the role of Chief Executive Officer and Chief Financial Officer. He holds a BBA in Accounting from Shorter University in Rome, Georgia.
His wife, Dee Anna (Bell) Rittenhouse is a retired educator and travel agent. They have been married for 33 years and have one daughter, Anna Grace, who is a graduate of Samford University and works in the City Schools of Decatur.
Champ is a sports enthusiast but there is nothing he loves more than the Georgia Bulldogs! He also enjoys traveling with his family and his two dogs, Holly Bell and Honey Bear.
Shriji is a graduate of Georgia Tech with a background in civil engineering. He has been serving in executive leadership since 2021. In his role, Shriji focuses on driving operational excellence, strengthening organizational processes, and providing strategic clarity to the leadership team.
He is passionate about innovation in construction technology and developing systems that position the company for long-term growth. Shriji’s leadership is grounded in aligning people, strategy, and execution to achieve ambitious goals while maintaining a strong company culture.
Outside of work, he enjoys fitness, exploring new cities and food, and supporting initiatives that advance the construction industry.
With more than three decades in heavy civil and highway construction, Rick has built a career leading major infrastructure projects across the United States and internationally. His experience spans bridges, highways, and complex transportation systems, working alongside some of the industry’s most respected contractors and engineering firms.
From early roles in the field to senior leadership on projects worth hundreds of millions, Rick has gained a reputation for balancing technical expertise with a practical, boots-on-the-ground approach. His career has been defined by a commitment to safe operations, innovative solutions, and strong collaboration across project teams.
A Georgia native, Rick takes pride in bringing world-class experience back home, helping to shape critical infrastructure that serves communities across the state.
With more than two decades of experience in corporate finance and project management, Tim Sable has built a career driving performance excellence, strategic growth, and enterprise value across complex, project-based organizations. His experience spans the construction, engineering, manufacturing, and insurance sectors, where he has partnered closely with executive leadership to navigate evolving business demands, guide capital allocation, and support growth initiatives.
From early roles in financial analysis to senior leadership positions, Tim has developed a reputation for combining analytical discipline with a practical, business-focused approach. He has led initiatives to strengthen forecasting, enhance financial controls, and optimize capital deployment, while aligning financial strategy with operational execution.
Based in Georgia, Tim holds a BBA in Accounting from the University of Georgia in Athens, Georgia. Outside of his professional work, Tim enjoys spending time outdoors: traveling, hiking, camping, and kayaking.
Aaliyah brings a strong foundation in people operations within fast-paced, growth-oriented environments. Holding a Bachelor’s degree in Business Administration from Georgia Gwinnett College, and her SHRM, CP she has progressed rapidly within CMES, gaining a comprehensive understanding of both the workforce and the operational demands of the heavy civil construction industry.
Her experience spans talent acquisition, employee relations, performance management, and training and development, with a focus on building scalable systems and strengthening organizational culture, allowing her to lead strategic HR initiatives that support business growth, operational performance, and workforce development across both field and office teams.
When she is not focused on building people strategies, you can find her spending time with her dog, Piper, exploring new restaurants, or enjoying movies and a good book.
CMES, Inc. was the low bidder on several bid build Projects/Contracts in District 7 for the Georgia Department of Transportation. CMES had a staff that understood the Contract requirements and executed those as required.
Each Project was unique and presented different challenges ranging from interchange, MS4 detention ponds, signal upgrades, round-about intersection improvements, SR widenings, and bridge replacements as CMES was able to overcome them all to delivery the Project as expected. CMES is a willing partner to work on issues on Projects when necessary due to plan errors, right of way acquisition issues, utility issues, and other related construction items. CMES management staff is a pleasure to work with.
CMES has completed several projects for City of Alpharetta over the years with a total value of over $20 million dollars. All the projects built by CMES were completed as per GDOT specifications and as per plans issued by the designer to City’s extreme satisfaction.
We believe and regard CMES as a highly qualified roadway contractor and we would recommend working with CMES on City’s future projects.
CMES, Inc. has been awarded several contracts with various scopes of work for Henry County Government. CMES, Inc. has satisfactorily completed the projects within the time frame allocated for these contracts.
I have established a positive working relationship with CMES, Inc. and would anticipate that we will continue to work with them on projects in the future.
Henry County Government is pleased with the quality of construction services received from CMES, Inc. and would highly recommend CMES, Inc. for future projects
The City of Johns Creek has collaborated with CMES, Inc. on a number of various roadway construction projects. The contractor CMES was able to expedite the construction schedule and successfully completed multiple TSPLOST projects, providing serious congestion relief to the traveling public and homeowners in surrounding areas.
CMES demonstrated competence in roadway construction through complex projects including widening State Bridge Road with a new steel span bridge over the Chattahoochee River. The contractor team is doing a great job on the largest roadway construction project ever let in the city.
This is a letter of reference and recommendation confirming the satisfactory work performed by CMES, Inc. as a contractor for Cobb County Department of Transportation. CMES has performed work for us on various projects since 2012, completing projects on time and within budget.
CMES, Inc. performed satisfactory work and met the necessary requirements to continue to contract with the County. Their dependability, quality of work, and spirit of cooperation make them a company we recommend.
I am writing to express Forsyth County’s satisfaction with CMES Incorporated for their quality work completing several major four lane widening projects under the past Special Local Option Sales Tax programs. CEMS has completed their past work with Forsyth County within time and within budget.
Forsyth County has found CMES to have capable staff at all levels and have a great working relationship with CEMS management. We have been pleased with the dedication of CEMS staff to provide quality construction work on our projects. Forsyth County does highly recommend CMES Incorporated as a quality road contractor and will be glad to work with they on future projects.
I am writing to give a positive reference for CMES, Inc. CMES has completed multiple projects over the last couple years for the Gwinnett County Road Improvement program, at a cost of over 10 million dollars.
All the projects they have worked on were constructed to GDOT Specifications. I would recommend them for future work.
