Horner & Shifrin, Inc.

Horner & Shifrin, Inc. Celebrating 92+ Years of Excellence in Professional Services Founded in 1933 in St.

Horner & Shifrin is a multidisciplinary professional services firm with the experience and capability to serve a wide variety of clients throughout the United States. Louis, H&S has grown to offer services to meet the ever-changing needs of our clients and to keep ahead of technological developments in the field of engineering. We offer professional services in all phases of a project, from feasib

ility planning and development, funding application assistance, land survey and 3D scanning, and environmental planning, to engineering design and construction administration, as well as GIS mapping services. Our projects are managed in a way that allows for thorough review by senior-level staff, no matter the size of the project. H&S has demonstrated innovative design on numerous projects, receiving recognition in the form of professional awards and repeat assignments from 80% of our clients. As a 100% employee-owned firm, every staff member has a personal vested interest in completing work to the satisfaction of our clients. These reasons and more make Horner & Shifrin the Right Choice for any project.

Our team had a great time connecting with water professionals across Arkansas! The conversations reinforced what we see ...
05/26/2026

Our team had a great time connecting with water professionals across Arkansas! The conversations reinforced what we see every day—communities facing similar challenges with new regulations and funding. Brian Ziegler, with insights from Tim Canter, Jim McCleish, and Shannon Todd, shares practical guidance on what’s coming and how Arkansas communities can prepare.

Check out his article on our website:https://bit.ly/4v5fFjy

Nothing beats bringing the H&S family together! Our annual Cardinals game at Busch Stadium was the perfect chance for ou...
05/26/2026

Nothing beats bringing the H&S family together! Our annual Cardinals game at Busch Stadium was the perfect chance for our teams from across the region to connect outside the office Thursday. ⚾

We enjoyed fantastic weather, and you wouldn’t have thought the Cardinals lost 6-2. That’s what makes H&S more than just a workplace. You’re surrounded by great people, always in good company.

Come work with people worth spending a Thursday night with.
https://bit.ly/3PM4Aoy

Today we remember the heroes who gave everything for our freedom. On this Memorial Day, Horner & Shifrin honors their sa...
05/25/2026

Today we remember the heroes who gave everything for our freedom. On this Memorial Day, Horner & Shifrin honors their sacrifice and supports the families who carry on their memory.

What an incredible honor! Seeing one of the communities we serve embrace both project success and their rich history in ...
05/20/2026

What an incredible honor! Seeing one of the communities we serve embrace both project success and their rich history in one gesture really captures what this work is all about.

It means so much when our amazing team is recognized for the important work they do in communities like Marion. This is what we’re here for: improving communities together.

Thank you, The City of Marion Illinois! 🏆

05/01/2026

Proud to sponsor the ASCE SLU Student Symposium!
We see you Emma Gorton 🥈👏

We loved having Emma Gorton with us this past summer! She brought energy, curiosity, and a fresh perspective. Here’s to ...
05/01/2026

We loved having Emma Gorton with us this past summer! She brought energy, curiosity, and a fresh perspective. Here’s to the next generation of engineers going places like Emma!

Today, we are spotlighting Emma Gorton, a fourth-year civil engineering student. In the past three summers, she had the opportunity to intern with various firms in the St. Louis region. This summer, she was the rotating intern at Horner & Shifrin, where she explored the various civil engineering disciplines.

During her internship, Emma had the chance to see how classroom concepts come to life in real projects. She learned what parts of the profession challenge and excite her most, discovered a strong interest in transportation and civil site work, and gained confidence by seeing how engineers analyze problems, develop solutions, and collaborate with clients. Just as importantly, she expanded her network of mentors—especially women in leadership—who helped her envision a future in the field where her strengths, personality, and goals truly fit.

Emma is also involved in Fraternity and Sorority Life at SLU and is a member of the ASCE SLU award-winning concrete bowling team.

SLU School of Science and Engineering Saint Louis University Horner & Shifrin, Inc.

The Horner & Shifrin team is heading to Bloomington, IL for the IACE Spring Conference, next week! We’re looking forward...
05/01/2026

The Horner & Shifrin team is heading to Bloomington, IL for the IACE Spring Conference, next week! We’re looking forward to connecting with county engineers from across Illinois and sharing ideas for building better communities. If you’ll be there, stop by and say hello!

Illinois Department of Transportation

We’re already packing our bags for Branson in 5 weeks! We'll be at the ACEC Midwest States Conference at the Branson Con...
05/01/2026

We’re already packing our bags for Branson in 5 weeks! We'll be at the ACEC Midwest States Conference at the Branson Convention Center from June 3-5. Stop by and say hello, we’d love to chat about the latest in engineering and infrastructure.

ACEC National ACEC Missouri ACEC-Illinois ACEC Oklahoma

Celebrating the vision and collaboration of our local communities and first responders who inspired this project. 🎉🧑‍🚒 W...
04/29/2026

Celebrating the vision and collaboration of our local communities and first responders who inspired this project. 🎉🧑‍🚒 We’re grateful for the opportunity to support their dedication and be part of such a great team effort. 🤝

04/29/2026

Not even Missouri’s thunderstorms, tornadoes, and hail could keep us from celebrating the ribbon cutting of St. Louis County Police Precinct 2!

We were especially moved to honor Detective Antonio Valentine, whose name is now proudly displayed on the building as a lasting tribute to inspire all who pass through its doors.

This modern facility brings together key public safety functions under one roof, including a dedicated storm shelter (timely with this week’s wild weather) to help keep officers and staff safe, no matter what Missouri skies bring.

Our Building Services team loved supporting this project for St. Louis County and St. Louis County Police Department. It’s truly special to serve those who serve our communities.

We’re proud to share that Brad Riechmann, PE, is heading to Washington, D.C.  for the 2026 ACEC National Annual Conventi...
04/28/2026

We’re proud to share that Brad Riechmann, PE, is heading to Washington, D.C. for the 2026 ACEC National Annual Convention & Legislative Summit, May 3–6!⚖️🧑‍⚖️

Our Assistant Transportation Business Unit Leader will be representing Horner & Shifrin, connecting with peers, and helping shape the future of our industry. 🚗🛫🚄

Attending the event? Be sure to connect with Brad!🤝

Address

401 S 18th Street , Ste. 400
St. Louis, MO
63103

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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