Harold G. Butzer, Inc. — Mechanical Contractors and Engineers, Dependable Service Since 1926
Central Missouri's mechanical experts · Since 1926

Mechanical work built for facilities that cannot go down.

HVAC, plumbing, piping, sheet metal, and building controls — installed and serviced by a local, employee-owned Central Missouri team 150+ strong. Design-build construction and 24-hour emergency service, dependable since 1926.

Free project consults · Service centers in Jefferson City, Hannibal & Springfield

1926Mechanical legacy begins
150+Local tradespeople
24/7Emergency service dept.
3Missouri service centers
1 hrTarget emergency response
Local experts since 1926

A Central Missouri team you actually know.

Butzer started as a one-man Jefferson City plumbing shop in 1926. Generations of work later, we're employee-owned and 150+ tradespeople strong — HVAC, plumbing, piping, and sheet-metal crews who live and work right here in Mid-Missouri. Our story →

What we do

One contractor for the systems behind the building.

Real depth across HVAC, plumbing, piping, sheet metal, controls, and design-build — with a direct path into whatever you need.

Harold G. Butzer crew on a mechanical jobsite
When downtime is expensive

24-hour emergency service.

For heating, air conditioning, refrigeration, and plumbing emergencies, one call reaches a team backed by a full mechanical-construction crew.

(573) 636-4115
Project credibility

Trusted on Missouri's most serious buildings.

From the State Capitol to hospitals, universities, and industrial plants — Butzer is on the bid lists that matter. See all projects →

In their words

Clients who keep calling back.

Real testimonials from the facilities Butzer serves. Read more →

“Harold G. Butzer has worked on several contracts on Campus over the years and their performance has always been exemplary.”

Darin Boggs — Electrical Systems Technician III, Missouri University of Science & Technology, Rolla

“I have personally worked with Butzer for nearly 25 years here at St. Mary's; we have been very pleased to have such a competent quality-driven mechanical contractor.”

Mike L. Bock — Director of Facilities, St. Mary's Health Center, Jefferson City
Special promotions & offers

Text BUTZER to 85100

Get Butzer's special promotions and offers straight to your phone. Tap the button and hit send — that's it.

📲 Text BUTZER to 85100
Get in touch

Let's talk about your mechanical scope.

Whether it's a 24-hour emergency or a design-build project, reach the Butzer team directly.

Free website concept built for Harold G. Butzer, Inc. by Missouri Dev — a draft for review, not the current live company website. Content & logo sourced from hgbutzer.com.