Insights

Established Industry Presence With over 80 years of experience in plumbing and HVAC services across Maryland, Virginia, and the District of Columbia, RM Thornton Mechanical has a longstanding reputation that can be leveraged to position premium service offerings and brand trust.

Growth Potential Operating with a revenue range of 10 to 25 million dollars and a team of up to 200 employees, the company demonstrates scalability and ongoing project demand, indicating opportunities for expanding service contracts and maintenance programs.

Market Focus As a division of Harris Companies specializing in mechanical contracting, RM Thornton’s regional reach and industry expertise make it a strong candidate for solutions tailored to large-scale commercial and institutional projects in the construction industry.

Digital Engagement Utilizing a technology stack that includes WordPress, Google Analytics, and other digital tools suggests an openness to digital marketing, online lead generation, and integrated project management solutions.

Industry Leadership Being recognized for outstanding performance over decades points to a company that values quality and reliability, making it a strategic partner for premium equipment, innovative HVAC technologies, and sustainable mechanical solutions.

Similar companies to RM Thornton Mechanical

RM Thornton Mechanical Tech Stack

RM Thornton Mechanical uses 7 technology products and services including WordPress, Cloudflare, Twemoji, and more. Explore RM Thornton Mechanical's tech stack below.

  • WordPress
    Content Management System
  • Cloudflare
    Content Management System
  • Twemoji
    Font Scripts
  • Font Awesome
    Font Scripts
  • jQuery
    Javascript Libraries
  • PHP
    Programming Languages
  • Google Analytics
    Web Analytics

Media & News

RM Thornton Mechanical's Email Address Formats

RM Thornton Mechanical uses at least 1 format(s):
RM Thornton Mechanical Email FormatsExamplePercentage
FLast@rmthornton.comJDoe@rmthornton.com
44%
FirstL@rmthornton.comJohnD@rmthornton.com
6%
FLast@rmthornton.comJDoe@rmthornton.com
44%
FirstL@rmthornton.comJohnD@rmthornton.com
6%

Frequently Asked Questions

What is RM Thornton Mechanical's phone number?

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You can contact RM Thornton Mechanical's main corporate office by phone at . 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 RM Thornton Mechanical's official website and social media links?

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RM Thornton Mechanical's official website is rmthornton.com and has social profiles on LinkedIn.

How much revenue does RM Thornton Mechanical generate?

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As of December 2025, RM Thornton Mechanical's annual revenue is estimated to be $75M.

What is RM Thornton Mechanical's NAICS code?

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RM Thornton Mechanical's NAICS code is 23 - Construction.

How many employees does RM Thornton Mechanical have currently?

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As of December 2025, RM Thornton Mechanical has approximately 51 employees across 1 continents, including North America. Key team members include Vice President Major Projects: J. C.Service Manager: D. S.Principal: J. B.. Explore RM Thornton Mechanical's employee directory with LeadIQ.

What industry does RM Thornton Mechanical belong to?

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RM Thornton Mechanical operates in the Construction industry.

What technology does RM Thornton Mechanical use?

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RM Thornton Mechanical's tech stack includes WordPressCloudflareTwemojiFont AwesomejQueryPHPGoogle Analytics.

What is RM Thornton Mechanical's email format?

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RM Thornton Mechanical's email format typically follows the pattern of FLast@rmthornton.com. Find more RM Thornton Mechanical email formats with LeadIQ.

RM Thornton Mechanical

ConstructionMaryland, United States51-200 Employees

RM Thornton Mechanical is an industry leader in providing plumbing and HVAC services throughout Maryland, Virginia, and the District of Columbia since 1932. As a go-to mechanical contractor, we perform every job with the customer service, craftsmanship, integrity and experience that is expected by our customers. Our team is comprised of experienced industry professionals who always deliver projects to industry’s highest standards. We always work hard to ensure the quality products we deliver are on time and within budget. After more than 80 years, RM Thornton Mechanical is continually being recognized by the industry and marketplace alike for our outstanding performance and quality mechanical contracting. Every project we take on is delivered with our mission in mind – Quality without Compromise since 1932. RM Thornton Mechanical is a division of national mechanical contractor Harris Companies, whose core purpose is “leadership through innovative and responsible solutions”.

Section iconCompany Overview

Phone number
NAICS Code
23 - Construction
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $10M$25M

    RM Thornton Mechanical's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    RM Thornton Mechanical's revenue is estimated to be in the range of $10M$25M

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