
ABNA Engineering, Inc.
St. Louis, MOCivil & Structural Engineering, Design Services, General Contracting, and Construction Management
Project: Washington Avenue Streetscape Project
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Civil & Structural Engineering, Design Services, General Contracting, and Construction Management
Project: Washington Avenue Streetscape Project
It's not just business...it's personal.
Project: Route 66 Bridge

Engineering Our Community
Founded in 1950, Alper Audi, Inc. is a St. Louis-based structural engineering practice with engineers registered in more than 45 states. It serves architects, contractors, developers, owners, and government clients across commercial, industrial, institutional, and public markets. More than 50 percent of assignments are delivered on a design-build basis, and annual project volume contributes to more than $2.5 billion in aggregate construction value.
Project: Forsyth Pointe
Leaders in structural engineering
Project: ICL Group Chemical Processing Building

Your Engineering Partner in Projects Large and Small
Project: Multi-Sector Structural Engineering Portfolio
Innovate. Design. Build.
Service detail: Accelerated Project Delivery (APD)
Engineering Design + Analysis
Service detail: Structural Analysis and Design

Partnership. Commitment. Results.
Service detail: Civil / Site Development

Innovative Structural Engineering with Practical Solutions
Project: USAF Cadet Chapel Restoration
Shaping the built environment with precision, creativity, and purpose since 1945
Project: I-40/I-240 Interchange Improvements, Memphis, TN

Specialized, client-focused structural engineering and construction management services.
Project: MLGW Water Quality Assurance Lab

Engineering a better way.
Project: Cedar Rapids Reach 1 Flood Protection
Engineering Services for Industrial Clients
Service detail: Civil and Structural Engineering

Economic, code-compliant, and constructible structural engineering solutions
Service detail: Structural Engineering & Design

Quality Infrastructure. Passionate People. Stronger Communities.
Project: Central District Pedestrian Improvements

One Vision. One Team. One Call.
Service detail: Transportation

Elevating infrastructure, together.
Project: Riverside Drive Riverfront Redevelopment
We Listen Better, Plan Better, & Engineer Better.
Service detail: Sign Engineering

Crockett Engineering Consultants is a multi-discipline engineering and land surveying firm headquartered in Columbia, Missouri, serving clients across the country. Founded in 1985 as a civil engineering and surveying practice, Crockett expanded into structural engineering in 2009 and opened Crockett Geotechnical Testing Lab in 2013 to add geotechnical engineering and construction materials testing. Projects span single-family and multifamily residential developments, commercial and retail sites, educational facilities, manufacturing operations, and institutional clients.
Service detail: Civil Engineering

Your Trusted Engineering Partners
Project: Shipping Container Home Design

Exceptional Engineering. Innovative Construction Services. Dedicated to Our People.
Project: Jefferson National Expansion Memorial - Gateway Arch Grounds Renovations

We Know Railroad
Project: Progress Rail Mayfield KY

Commitment, Collaboration, Cooperation
Project: Dry Weather Sewer Relief: Outfall 055