Insights

Federal Focus Target agencies and programs that require specialized construction services for renovation of historic exteriors and deployment of technology within military bases, leveraging ONeill’s exclusive government focus and design-build capabilities.

Niche Market Size Position ONeill as a scalable federal contractor with a mid-market revenue profile and lean team structure to win smaller to mid-size federal projects, differentiating from large general contractors.

End-to-End Delivery Emphasize design-build and design-bid-build competencies as a single-point-of-contact solution for federal clients to streamline procurement and reduce lifecycle risk.

Tech Enablement Highlight utilization of modern collaboration and cloud tools to improve project visibility, compliance documentation, and efficiency on government contracts.

Growth Levers Leverage federal-specific case studies and geographic breadth to pursue expansion opportunities across nationwide programs, targeting agencies with ongoing infrastructure modernization.

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ONeill Contractors, Inc. Tech Stack

ONeill Contractors, Inc. uses 8 technology products and services including Squarespace, WordPress, Squarespace Commerce, and more. Explore ONeill Contractors, Inc.'s tech stack below.

Squarespace
Content Management System
WordPress
Content Management System
Squarespace Commerce
E-commerce
WooCommerce
E-commerce
Google Workspace
Email
Google Cloud
Infrastructure As A Service
WP Engine
Platform As A Service
Microsoft Teams
Team Collaboration

ONeill Contractors, Inc.'s Email Address Formats

ONeill Contractors, Inc. uses at least 4 email formats:

ONeill Contractors, Inc. Email Formats	Example	Percentage
Last@oneillcontractors.com	Doe@oneillcontractors.com	50%
First.L@oneillcontractors.com	John.D@oneillcontractors.com	25%
First@oneillcontractors.com	John@oneillcontractors.com	17%
FL@oneillcontractors.com	JD@oneillcontractors.com	8%

Frequently Asked Questions

What is ONeill Contractors, Inc.'s phone number?

You can contact ONeill Contractors, Inc.'s main corporate office by phone at

+1-773-774-****

. 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 ONeill Contractors, Inc.'s official website and social media links?

ONeill Contractors, Inc.'s official website is oneillcontractors.com and has social profiles on LinkedIn.

How much revenue does ONeill Contractors, Inc. generate?

As of September 2026, ONeill Contractors, Inc.'s annual revenue is estimated to be $10M - $25M.

What is ONeill Contractors, Inc.'s NAICS code?

ONeill Contractors, Inc.'s NAICS code is 23 - Construction.

How many employees does ONeill Contractors, Inc. have currently?

As of September 2026, ONeill Contractors, Inc. has approximately 19 employees across 1 continents, including North America. Key team members include Chief Executive Officer: K. O., Superintendent And Quality Control Manager: C. M. and Principal: E. B. Explore ONeill Contractors, Inc.'s employee directory with LeadIQ.

What industry does ONeill Contractors, Inc. belong to?

ONeill Contractors, Inc. operates in the Construction industry.

What technology does ONeill Contractors, Inc. use?

ONeill Contractors, Inc.'s tech stack includes Squarespace, WordPress, Squarespace Commerce, WooCommerce, Google Workspace, Google Cloud, WP Engine and Microsoft Teams.

What is ONeill Contractors, Inc.'s email format?

ONeill Contractors, Inc.'s email format typically follows the pattern of Last@oneillcontractors.com. Find more ONeill Contractors, Inc. email formats with LeadIQ.

When was ONeill Contractors, Inc. founded?

ONeill Contractors, Inc. was founded in 2007.

ONeill Contractors, Inc.

Q: How many employees does ONeill Contractors, Inc. have currently?

ONeill Contractors, Inc. has approximately 19 employees.

Q: What technology does ONeill Contractors, Inc. use?

ONeill Contractors, Inc.'s tech stack includes WP Engine, Nginx, Choices, Microsoft Excel, Microsoft Word.

Q: What is ONeill Contractors, Inc.'s NAICS code?

ONeill Contractors, Inc.'s NAICS code is 23 (Construction).

ConstructionIllinois, United States11-50 Employees

ONeill Contractors, Inc. is a construction firm focused on delivering services to the U.S. federal government. Based in Glenview, Illinois, the company operates as a full-service general contractor offering design-build and design-bid-build approaches to meet government requirements and taxpayer expectations. Its projects span a nationwide footprint, including renovations of exterior historical structures and the installation of advanced technology in military facilities, reflecting a capability to handle diverse infrastructure needs. The organization emphasizes a customer-centric approach, aiming to understand client needs and improve the overall project experience for government clients and communities.