Business Details
46 Years
experience
Trusted Engineering Solutions for Commercial, Residential & Industrial Projects
Founded in 1980, our dedication to accuracy and responsive service enables clients to execute projects on-time and on-budget. We bring extensive experience working with businesses, government, institutions, education, and healthcare sectors. Our comprehensive engineering services span commercial, residential, industrial, municipal, and institutional building and land development markets, with a focus on civil and structural engineering and land surveying. Our staff devotes personal attention to every client, ensuring constant oversight for timely and accurate results. We leverage state-of-the-art data acquisition, analysis, and engineering technologies while maintaining a commitment to all aspects of client development needs.Our collaborative approach bridges contractors, architects, and owners to align visions from project conception to completion. We specialize in meeting diverse standards including ADA accessibility, federally funded projects, LEED certification, and historic preservation. Our engineers are licensed in 20 states and maintain MoDOT-approved consultant status. Client satisfaction remains our priority through honest, courteous, and respectful business practices.
Services
Civil Engineering
Structural Engineering
Contract Administration
Land Surveying
LEED Certified Projects
Details
- Year established: 1980
Highlights and features
- 40+ years of experience in civil and structural engineering
- LEED-certified project expertise across diverse industries
- MoDOT-approved consultant status for transportation projects
- OSHA & MSHA certified professionals ensuring safety compliance
- Licensed in 20 states for multi-jurisdictional project capabilities
Associations and certifications
- LEED Certified
- OSHA Certified
- MSHA Certified
What people say
Great company
Prompt, thorough, professional
Work is professional and efficient
Happy so far
Highly recommend
Services
Civil Engineering
We provide comprehensive civil engineering for commercial, educational, healthcare, and municipal projects. Our expertise includes site analysis, roadway design, utility systems, and sustainable LEED-certified solutions. Our engineers ensure compliance with zoning regulations and environmental standards while optimizing land use efficiency.
Structural Engineering
Our structural engineering services cover commercial and residential projects of all scales. We specialize in seismic analysis, forensic investigations, and renovation support. From new construction to damage repair, our team delivers code-compliant solutions that balance safety requirements with budget constraints.
Contract Administration
We manage construction projects from bidding to completion, handling cost estimation, contract preparation, and field inspections. Our services ensure adherence to technical specifications while maintaining budget integrity. We coordinate between stakeholders to guarantee timely delivery of complex infrastructure projects.
Land Surveying
Our licensed surveyors provide precise land measurement services for development projects. We conduct topographic mapping, boundary determinations, and construction layout services. These critical data points inform engineering designs while ensuring regulatory compliance for residential and commercial developments.
LEED Certified Projects
We support sustainable building initiatives through LEED-certified engineering solutions. Our team has designed systems for the U.S. Army Corps of Engineers' LEED Silver/Gold facilities and Nestle Purina's Danforth Learning Center. We integrate energy-efficient practices with functional design requirements for eco-conscious developments.
People
Dave Welton
President & Principal Civil Engineer
With decades of civil engineering experience, Dave leads Frontenac's strategic direction while maintaining active involvement in complex infrastructure projects across Missouri's transportation and municipal sectors.
Bill Berthold
Principal & Secretary
Licensed as both Professional Engineer and Professional Land Surveyor, Bill oversees surveying operations and land development projects, ensuring technical excellence across residential and commercial site planning initiatives.
Steve Miller
Vice President
As Vice President, Steve manages engineering teams delivering structural solutions for educational institutions and healthcare facilities, maintaining strict compliance with federal and state accessibility standards.
Aaron Odle
Principal & Residential Specialist
Aaron focuses on residential engineering challenges, providing expert guidance for new home construction and renovation projects while ensuring code compliance and structural integrity for St. Louis homeowners.
Josh Schmitz
Commercial Structural Engineer
Josh leads structural design for commercial developments, specializing in industrial facilities and retail spaces. His expertise includes material handling systems and seismic-resistant construction methods for large-scale projects.
Questions
What engineering services do you offer?
We specialize in civil, structural engineering, and contract administration for commercial, residential, and industrial projects.
Are you licensed for multi-state projects?
Our engineers hold licenses in 20 states, enabling cross-jurisdictional project execution while maintaining local code compliance.
Do you handle LEED-certified projects?
Yes, we've engineered multiple LEED-certified facilities including U.S. Army Corps of Engineers visitor centers and corporate campuses.
How do you support residential clients?
We provide structural assessments, deck design, and renovation support with dedicated residential specialists for St. Louis homeowners.
What transportation projects have you completed?
We're MoDOT-approved consultants with experience in municipal roads, bridges, and traffic circulation systems across Missouri.
How do you ensure project timelines?
Our contract administration team manages bidding, budget tracking, and field coordination to deliver projects on schedule.
