Insights

Acquisition Expansion Hartwig Mechanical has recently been acquired by Crete Mechanical Group, signaling a broader regional footprint and potential access to extended project pipelines in Illinois and Wisconsin. This presents a sales opportunity to align with the new combined service offerings and cross-sell to their expanded customer base.

Public and Private Projects With project experience ranging from elementary schools to commercial facilities and project sizes from $500K to over $15M, there is a broad addressable market for ongoing MEP services, maintenance contracts, and retrofit opportunities in educational and commercial sectors.

24/7 Service Hartwig offers 24-hour emergency service, indicating a potential need for extended service level agreements, rapid-response maintenance contracts, and bundled plumbing, HVAC, and piping support for clients prioritizing uptime.

Technology Stack Current tech includes Snowplow, WordPress, Google Tag Manager and Cloudflare, suggesting opportunities to propose data-driven maintenance analytics, digital twin readiness, and enhanced customer portals to streamline project management and reporting.

Financial Scale Annual revenue in the $10M–$25M range and a multi-decade track record position Hartwig as a mid-market contractor with appetite for larger, multi-site projects and long-term maintenance partnerships, including potential expansion bids with Crete United’s energy efficiency and mechanical services.

Similar companies to Hartwig Mechanical

Hartwig Mechanical Tech Stack

Hartwig Mechanical uses 8 technology products and services including Snowplow, WordPress, Duda, and more. Explore Hartwig Mechanical's tech stack below.

Snowplow
Analytics
WordPress
Content Management System
Duda
Content Management System
MySQL
Database
jQuery Migrate
Javascript Libraries
Priority Hints
Performance
Cloudflare Bot Management
Security
Google Tag Manager
Tag Management

Media & News

Crete Mechanical Group acquires Hartwig Mechanical, Inc..
Crete United, a prominent provider of energy efficiency and mechanical services, has announced the acquisition of Hartwig Mechanical, Inc., marking a significant expansion of its service area and capabilities in the Chicago region.
Nov 13, 2024 | www.citybuzz.co

Hartwig Mechanical's Email Address Formats

Hartwig Mechanical uses at least 2 format(s):

Hartwig Mechanical Email Formats	Example	Percentage
First@hartwigplumbing.com	John@hartwigplumbing.com	77%
FLast@hartwigplumbing.com	JDoe@hartwigplumbing.com	11%
Last@hartwigplumbing.com	Doe@hartwigplumbing.com	8%
First.Last@hartwigplumbing.com	John.Doe@hartwigplumbing.com	4%
First.Last@hartwigmechanical.com	John.Doe@hartwigmechanical.com	91%
First@hartwigmechanical.com	John@hartwigmechanical.com	9%

Frequently Asked Questions

What is Hartwig Mechanical's phone number?

You can contact Hartwig Mechanical's main corporate office by phone at

+1-815-887-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Hartwig Mechanical's official website and social media links?

Hartwig Mechanical's official website is hartwigmechanical.com and has social profiles on LinkedIn.

How much revenue does Hartwig Mechanical generate?

As of July 2026, Hartwig Mechanical's annual revenue is estimated to be $10M - $25M.

What is Hartwig Mechanical's NAICS code?

Hartwig Mechanical's NAICS code is 23 - Construction.

How many employees does Hartwig Mechanical have currently?

As of July 2026, Hartwig Mechanical has approximately 32 employees across 1 continents, including North America. Key team members include Vice President: T. L.Corporate Administrator: H. F.Corporate Administrator: S. F.. Explore Hartwig Mechanical's employee directory with LeadIQ.

What industry does Hartwig Mechanical belong to?

Hartwig Mechanical operates in the Construction industry.

What technology does Hartwig Mechanical use?

Hartwig Mechanical's tech stack includes SnowplowWordPressDudaMySQLjQuery MigratePriority HintsCloudflare Bot ManagementGoogle Tag Manager.

What is Hartwig Mechanical's email format?

Hartwig Mechanical's email format typically follows the pattern of First@hartwigplumbing.com. Find more Hartwig Mechanical email formats with LeadIQ.

When was Hartwig Mechanical founded?

Hartwig Mechanical was founded in 1958.

Hartwig Mechanical

Q: How many employees does Hartwig Mechanical have currently?

Hartwig Mechanical has approximately 32 employees.

Q: What technology does Hartwig Mechanical use?

Hartwig Mechanical's tech stack includes Cloudflare, Google Analytics, Google Fonts API, MobX, Cloudflare Bot Management.

Q: What is Hartwig Mechanical's NAICS code?

Hartwig Mechanical's NAICS code is 23 (Construction).

ConstructionIllinois, United States11-50 Employees

Hartwig Mechanical operates as a mechanical contractor within the construction industry, offering plumbing, piping, and HVAC services for both commercial and residential projects. Based in Harvard, Illinois, the company has been active since 1958 and is licensed, bonded, and insured. It oversees projects from initial conception through design, construction, and ongoing maintenance, handling scopes that range from about $500,000 to more than $15 million. 

Its clients include schools and other commercial facilities across Illinois and Wisconsin, with a service model that emphasizes project management through the full lifecycle and reliable 24-hour emergency support. In November 2024, Hartwig Mechanical was acquired by Crete Mechanical Group, expanding its service area in the Chicago region.