Insights

Established Expertise With a history dating back to 1934, T.F. O'Brien & Co has established a solid reputation in designing and installing comfort systems, reflecting deep industry experience that can appeal to clients seeking reliable, long-standing service providers.

Regional Focus The company's concentration on Long Island, Queens, and Brooklyn presents targeted expansion opportunities within these vibrant markets, especially by leveraging local relationships and regional service needs.

Technology Adoption Utilizing tools like CallRail, WordPress, and SAP, T.F. O'Brien & Co demonstrates an openness to integrating modern technology solutions, which can be emphasized when offering digital modernization or efficiency optimization services.

Growth Potential Operating within a competitive landscape alongside large firms like Trane and Honeywell with similar revenue ranges indicates opportunities to differentiate through personalized service, niche expertise, and flexibility to attract SMB clients.

Financial Outlook With a revenue range of 1 to 10 million dollars and a lean staff of under 50 employees, the company may be receptive to scalable solutions that enhance operational efficiency, sales processes, and post-installation service management for growth.

T.F. O'Brien & Co Tech Stack

T.F. O'Brien & Co uses 8 technology products and services including CallRail, WordPress, MySQL, and more. Explore T.F. O'Brien & Co's tech stack below.

  • CallRail
    Call Tracking
  • WordPress
    Content Management System
  • MySQL
    Database
  • StackAdapt
    Demand Side Platforms
  • Microsoft
    Miscellaneous
  • SAP Maintenance, Repair, and Overhaul
    Operations
  • Flywheel
    Platform As A Service
  • Animate.css
    UI Frameworks

Media & News

T.F. O'Brien & Co's Email Address Formats

T.F. O'Brien & Co uses at least 1 format(s):
T.F. O'Brien & Co Email FormatsExamplePercentage
First@tfobrien.comJohn@tfobrien.com
82%
FirstLast@tfobrien.comJohnDoe@tfobrien.com
9%
First.Last@tfobrien.comJohn.Doe@tfobrien.com
9%

Frequently Asked Questions

Where is T.F. O'Brien & Co's headquarters located?

Minus sign iconPlus sign icon
T.F. O'Brien & Co's main headquarters is located at 100 Denton Avenue North New Hyde Park, New York 11040 United States. The company has employees across 2 continents, including North AmericaEurope.

What is T.F. O'Brien & Co's official website and social media links?

Minus sign iconPlus sign icon
T.F. O'Brien & Co's official website is tfobrien.com and has social profiles on LinkedIn.

What is T.F. O'Brien & Co's NAICS code?

Minus sign iconPlus sign icon
T.F. O'Brien & Co's NAICS code is 81 - Other Services (except Public Administration).

How many employees does T.F. O'Brien & Co have currently?

Minus sign iconPlus sign icon
As of February 2026, T.F. O'Brien & Co has approximately 14 employees across 2 continents, including North AmericaEurope. Key team members include Install Coordinator: M. B.. Explore T.F. O'Brien & Co's employee directory with LeadIQ.

What industry does T.F. O'Brien & Co belong to?

Minus sign iconPlus sign icon
T.F. O'Brien & Co operates in the Consumer Services industry.

What technology does T.F. O'Brien & Co use?

Minus sign iconPlus sign icon
T.F. O'Brien & Co's tech stack includes CallRailWordPressMySQLStackAdaptMicrosoftSAP Maintenance, Repair, and OverhaulFlywheelAnimate.css.

What is T.F. O'Brien & Co's email format?

Minus sign iconPlus sign icon
T.F. O'Brien & Co's email format typically follows the pattern of First@tfobrien.com. Find more T.F. O'Brien & Co email formats with LeadIQ.

When was T.F. O'Brien & Co founded?

Minus sign iconPlus sign icon
T.F. O'Brien & Co was founded in 1934.

T.F. O'Brien & Co

Consumer ServicesNew York, United States11-50 Employees

Our company was established in 1934. We pride ouselves on focusing on the needs and satisfaction of our customers. We specalize in designing, engineering and installing complete comfort systems on Long Island, Queens and Brooklyn.

Section iconCompany Overview

Headquarters
100 Denton Avenue North New Hyde Park, New York 11040 United States
NAICS Code
81 - Other Services (except Public Administration)
Founded
1934
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    T.F. O'Brien & Co's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    T.F. O'Brien & Co's revenue is estimated to be in the range of $1M$10M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

ยฉ LeadIQ, Inc. All rights reserved.