What departments does O'Sullivan Installs have?

O'Sullivan Installs has employees across 1 departments including Administrative.

What is the largest department at O'Sullivan Installs?

The largest department at O'Sullivan Installs is Administrative with 1 employees.

Where are O'Sullivan Installs employees located globally?

O'Sullivan Installs has employees across 1 continents and 1 countries including United States Of America.

How has O'Sullivan Installs's team size changed over time?

O'Sullivan Installs's team has grown from approximately 3 to 4 employees based on available data.

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O'Sullivan Installs Employee Directory

ConstructionMassachusetts, United States2-10 Employees

O’Sullivan Installs is a small construction company based in Billerica, Massachusetts, with more than 20 years of experience in residential projects. It specializes in installing and upgrading windows, siding, and doors, offering a selection of products alongside professional installation. The firm provides these services at reasonable pricing and emphasizes a broad range of industry-recognized products. Rather than dictating a single plan, it collaborates with clients to plan options and scheduling that fit family life and budget.

Operating from Billerica, Massachusetts, the company sits within the regional construction services market that serves homeowners pursuing improvements in windows, siding, and doors. Its approach centers on collaborative planning and flexible scheduling to tailor projects to the client’s lifestyle and budget, rather than imposing a fixed solution.

O'Sullivan Installs Global Highlights

North America
5

United States Of America
5

O'Sullivan Installs's Leadership

T. O.
Owner
Mobile Phone
Email
T. O.
Director
Mobile Phone
Email
C. S.
Office Manager
Mobile Phone
Email
K. L.
Administrative Assistant
Mobile Phone
Email

O'Sullivan Installs Employee Metrics

100%

50%

2026

2025

Community & Social Services
Civil Engineering & Construction
Accounting
Administrative
Analytics
Other

Contact profiles from O'Sullivan Installs

Name

Title

Contact Info

Location

Last Update

T. O.
Owner
Mobile Phone
Email
United StatesMassachusetts
Jun 01, 2026
T. O.
Director
Mobile Phone
Email
UNITED STATES
Aug 04, 2023
C. S.
Office Manager
Mobile Phone
Email
United StatesMassachusetts
Aug 02, 2024
K. L.
Administrative Assistant
Mobile Phone
Email
United StatesMassachusetts
Nov 15, 2025

Frequently Asked Questions

What is O'Sullivan Installs known for?

O'Sullivan Installs was founded in 2008 operates in the Construction industry; you can contact the main corporate office by phone at

+1-978-222-****

. Explore O'Sullivan Installs's company overview page for more information.

What is O'Sullivan Installs's most common email format?

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

How many employees does O'Sullivan Installs have currently?

O'Sullivan Installs has approximately 6 employees as of July 2026. These team members are located across 1 continents, including North America.

Who are O'Sullivan Installs's key employees and leadership?

As of July 2026, O'Sullivan Installs's key employees include:

Owner: T. O.
Director: T. O.
Office Manager: C. S.
Administrative Assistant: K. L.

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O'Sullivan Installs Employee Directory

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