What services does your company provide?

Our company is a premier full-service mechanical, electrical, sheet metal, and service contractor. We offer a wide range of services to our clients, including mechanical, electrical, and sheet metal work, as well as general contracting and project management.

How can I learn more about career opportunities at your company?

If you're interested in joining our team, we encourage you to visit the "Careers" section of our website. There, you can learn more about the available opportunities and start the conversation with us.

What is your company's approach to building projects?

At our company, we work, build, and lead boldly. We are committed to providing exceptional service to our clients and creating opportunities for our people, our clients, and our communities.

Where are your company's locations?

While our website doesn't explicitly list all of our locations, it's clear that we have a strong presence in the Midwest region. We encourage you to reach out to us directly if you have any questions about our geographic coverage or the specific locations where we operate.

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St Louis Air Mechanical

$625.0M revenue • 4972 Manchester Ave, St. Louis, MO, 63110, United States

Last Updated Aug 21, 2026

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Company Overview

Company Name

St Louis Air Mechanical

Address

4972 Manchester Ave, St. Louis, MO, 63110, United States

Website

waldinger.com

Phone

(314) 371-1000

Approx. Annual Revenue

$625.0M

Established

1996

Locations

About St Louis Air Mechanical

Waldinger Corporation is a premier full-service mechanical, electrical, sheet metal, and service contractor based in St. Louis, Missouri. The company has approximately 1,001 employees and specializes in building opportunities for its people, clients, and communities through its expertise in various construction projects.

Business Profile

Read from the St Louis Air Mechanical website on Oct 12, 2026. Hover an item to see the exact wording it came from.

About the website

Website quality (AI-assessed): 7/10 · Current copyright 2026; Project spotlight and testimonials

Recent changes

What changed on the St Louis Air Mechanical website and Google listing, as detected by Coldlytics on each visit.

Oct 13, 2026 · Madison, WI
Google Business category is now Mechanical contractor
Oct 11, 2026 · La Vista, NE
Google reviews went from 13 to 14
Oct 11, 2026 · La Vista, NE
Google rating went from 3.7 to 3.5
Oct 11, 2026 · Madison, WI
Google reviews went from 6 to 8
Oct 11, 2026 · Madison, WI
Google rating went from 4.2 to 3.9

Coldlytics tracks changes like these across millions of businesses, so you can reach companies the moment they add a pixel, start hiring, or switch software.

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