What is Mechanical Service Inc.'s NAICS code?

Mechanical Service Inc.'s NAICS code is 23 (Construction).

Insights

Market positioning MSI is a long-standing regional mechanical services provider with a diversified customer base in residential, commercial, and industrial markets, presenting cross-selling opportunities for HVAC, plumbing, and building automation services to existing clients and ramped service contracts.

Expansion readiness With a fleet of over 60 service and installation vehicles and an established presence in Galesburg and surrounding areas, MSI can scale maintenance programs, emergency response services, and updated technology deployments for larger commercial portfolios.

Acquisition leverage Recent acquisition by PremiStar highlights consolidation in the HVAC and building automation space, suggesting a potential pathway for selling integrated maintenance, retrofit, or managed services to newly combined client bases.

Financial scale Reported revenue in the mid tens of millions and a mid-size employee base indicate opportunities for value-added service bundles, energy efficiency retrofits, and preventive maintenance contracts that fit within mid-market budgets.

Digital footprint Technical stack and online presence show capability to support modern customer experience, data analytics, and remote monitoring, enabling upsell of IoT-enabled controls, remote diagnostics, and performance reporting to clients seeking efficiency gains.

Mechanical Service Inc. Tech Stack

Mechanical Service Inc. uses 8 technology products and services including Twemoji, Google Cloud, Vue.js, and more. Explore Mechanical Service Inc.'s tech stack below.

Twemoji

Font Scripts

Google Cloud

Infrastructure As A Service

Vue.js

Javascript Frameworks

imagesLoaded

Javascript Libraries

jQuery Migrate

Javascript Libraries

Google Tag Manager

Tag Management

Google Analytics

Web Analytics

Google Search Console

Web Analytics

Mechanical Service Inc. Email Formats	Example	Percentage
FLast@relyonmsi.com	JDoe@relyonmsi.com	93%
Last@relyonmsi.com	Doe@relyonmsi.com	7%

Mechanical Service Inc. Email Formats

Example

Percentage

FLast@relyonmsi.com

JDoe@relyonmsi.com

93%

Last@relyonmsi.com

Doe@relyonmsi.com

Frequently Asked Questions

What is Mechanical Service Inc.'s phone number?

You can contact Mechanical Service Inc.'s main corporate office by phone at

+1-309-342-****

. 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 Mechanical Service Inc.'s official website and social media links?

Mechanical Service Inc.'s official website is relyonmsi.com and has social profiles on LinkedIn.

How much revenue does Mechanical Service Inc. generate?

As of August 2026, Mechanical Service Inc.'s annual revenue is estimated to be $25M - $50M.

What is Mechanical Service Inc.'s SIC code NAICS code?

Mechanical Service Inc.'s SIC code is 7699 - Repair Shops and Related Services, Not Elsewhere Classified NAICS code is 23 - Construction.

How many employees does Mechanical Service Inc. have currently?

As of August 2026, Mechanical Service Inc. has approximately 30 employees across 1 continents, including North America. Key team members include Service Manager: A. T.Fire Protection Estimator Project Manager: A. S.Facilities Manager: H. L.. Explore Mechanical Service Inc.'s employee directory with LeadIQ.

What industry does Mechanical Service Inc. belong to?

Mechanical Service Inc. operates in the Construction industry.

What technology does Mechanical Service Inc. use?

Mechanical Service Inc.'s tech stack includes TwemojiGoogle CloudVue.jsimagesLoadedjQuery MigrateGoogle Tag ManagerGoogle AnalyticsGoogle Search Console.

What is Mechanical Service Inc.'s email format?

Mechanical Service Inc.'s email format typically follows the pattern of FLast@relyonmsi.com. Find more Mechanical Service Inc. email formats with LeadIQ.

When was Mechanical Service Inc. founded?

Mechanical Service Inc. was founded in 1972.

Mechanical Service Inc.

Q: What is Mechanical Service Inc.'s official website and social media links?

Mechanical Service Inc.'s official website is relyonmsi.com. Mechanical Service Inc. has social profiles on LinkedIn.

Q: How many employees does Mechanical Service Inc. have currently?

Mechanical Service Inc. has approximately 30 employees.

Q: What technology does Mechanical Service Inc. use?

Mechanical Service Inc.'s tech stack includes imagesLoaded, WP Engine, jQuery, Preact, X-XSS-Protection.

ConstructionIllinois, United States11-50 Employees

Mechanical Service Inc. operates in the construction sector, delivering mechanical services to residential, commercial, and industrial customers in West Central Illinois. Headquartered in Galesburg, Illinois, MSI traces its history to 1972 when Stigner, Inc. and John Holt Plumbing and Heating merged to form the company. From its inception, the firm pursued a path focused on high-quality professional workmanship and strong ethical standards. That commitment, together with years of experience, underpins its ability to meet a broad range of mechanical service needs for the region.

The company runs a sizable field operation supported by over 60 service and installation vehicles, enabling service across Galesburg and nearby communities. In August 2022, PremiStar acquired Mechanical Service Inc.

Insights

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