Hartwig Mechanical Employee Directory

Q: What is Hartwig Mechanical known for?

Hartwig Mechanical was founded in 1958. Hartwig Mechanical operates in the Construction industry.

Q: How many employees does Hartwig Mechanical have currently?

Hartwig Mechanical has approximately 30 employees.

ConstructionIllinois, United States11-50 Employees

Hartwig Mechanical is consistently recognized as one of the top #plumbing, #piping and #HVAC contractors in Illinois and Wisconsin. Licensed, bonded, and insured, Hartwig performs projects of all sizes and scope. Since 1958, our expertise is managing a project from conception through design, construction, and maintenance throughout its lifetime. Projects sizes range from $500K to over $15 million, and scopes range from elementary school maintenance to commercial facility projects. 


Description

• Air conditioning
• Heating 
• Plumbing
• Commercial
• Residential
• Licensed 
• Insured
• 24-hour Emergency Service
• Dependable
 
Speak with us at Hartwig Plumbing & Heating today to bid a project, schedule an appointment, or for immediate, emergency service.

Find Hartwig Mechanical employees' phone numbers or email addresses

Hartwig Mechanical Global Highlights

North America
36

United States Of America
36

Hartwig Mechanical's Leadership

L. B.
Chief Operating Officer
Mobile Phone
Email
T. L.
Vice President
Mobile Phone
Email
G. F.
Project Manager
Mobile Phone
Email
J. V.
Assistant Project Manager
Mobile Phone
Email
N. D.
Assistant Project Manager
Mobile Phone
Email
C. H.
Plumbing Estimator
Mobile Phone
Email
B. B.
Mechanical Engineer
Mobile Phone
Email
H. F.
Corporate Administrator
Mobile Phone
Email

Hartwig Mechanical Employee Metrics

100%

50%

0%

2026

2025

2024

Program & Project Management
Civil Engineering & Construction
Accounting
Business
Engineering
Other

Contact profiles from Hartwig Mechanical

Name

Title

Contact Info

Location

Last Update

L. B.
Chief Operating Officer
Mobile Phone
Email
United StatesWisconsin
Aug 09, 2025
T. L.
Vice President
Mobile Phone
Email
Oct 23, 2024
G. F.
Project Manager
Mobile Phone
Email
United StatesWisconsin
Sep 11, 2025
J. V.
Assistant Project Manager
Mobile Phone
Email
United StatesWisconsin
Nov 14, 2025
N. D.
Assistant Project Manager
Mobile Phone
Email
UNITED STATES
Oct 16, 2024
C. H.
Plumbing Estimator
Mobile Phone
Email
United StatesWisconsin
Oct 17, 2025
B. B.
Mechanical Engineer
Mobile Phone
Email
United StatesWisconsin
Oct 18, 2025
H. F.
Corporate Administrator
Mobile Phone
Email
Oct 18, 2024
K. H.
Administrative Assistant
Mobile Phone
Email
UNITED STATES
Mar 08, 2023
T. S.
Superintendant
Mobile Phone
Email
Oct 21, 2024

Frequently Asked Questions

What is Hartwig Mechanical known for?

Hartwig Mechanical was founded in 1958 operates in the Construction industry; you can contact the main corporate office by phone at

+1-815-887-****

. Explore Hartwig Mechanical's company overview page for more information.

What is Hartwig Mechanical's most common email format?

Hartwig Mechanical employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Hartwig Mechanical email formats with LeadIQ.

How many employees does Hartwig Mechanical have currently?

Hartwig Mechanical has approximately 30 employees as of January 2026. These team members are located across 1 continents, including North America.

Who are Hartwig Mechanical's key employees and leadership?

As of January 2026, Hartwig Mechanical's key employees include:

Chief Operating Officer: L. B.
Vice President: T. L.
Project Manager: G. F.
Assistant Project Manager: J. V.
Assistant Project Manager: N. D.

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