Insights

Niche Refractory Leader Onex operates as a global industrial refractory contractor, project manager, and material supplier with a strong 24/7 professional team, presenting a compelling value proposition for large-scale industrial clients seeking end-to-end refractory solutions and reliable delivery.

Mid-Sized Advantage With 11-50 employees and revenue in the multi-million range, Onex offers agile, high-touch service that can win repeat, high-margin refractory projects from bigger firms, especially where speed and problem-solving are differentiators.

Comprehensive Tech Stack Adoption of cloud, analytics, and automation tools (HubSpot, AWS, Google Workspace, iCIMS, Piwik PRO Core, WordPress) enables scalable project management, CRM-driven outreach, and data-informed bidding and delivery, which can be leveraged to enhance target account strategies.

Expansion Opportunities Positioned as a global supplier and installer with engineering capabilities, Onex can pursue cross-border refractory projects, expansion into new industrial sectors, and partnerships with large-scale contractors to win turnkey refractory packages.

Competitive Positioning In a market dominated by large firms, Onex can differentiate on problem-solving, cost savings, and client satisfaction, targeting mid-market industrial clients who value rapid response, customized solutions, and 24/7 support as a selling point.

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Onex Construction Tech Stack

Onex Construction uses 8 technology products and services including HubSpot Analytics, Microsoft Clarity, iCIMS, and more. Explore Onex Construction's tech stack below.

Onex Construction's Email Address Formats

Onex Construction uses at least 2 email formats:
Onex Construction Email FormatsExamplePercentage
FLast@onexconstruction.comJDoe@onexconstruction.com
91%
First@onexconstruction.comJohn@onexconstruction.com
9%

Frequently Asked Questions

What is Onex Construction's phone number?

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You can contact Onex Construction'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 Onex Construction's official website and social media links?

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Onex Construction's official website is onexconstruction.com and has social profiles on LinkedIn.

How much revenue does Onex Construction generate?

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As of October 2026, Onex Construction's annual revenue is estimated to be $25M - $50M.

What is Onex Construction's NAICS code?

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Onex Construction's NAICS code is 23 - Construction.

How many employees does Onex Construction have currently?

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As of October 2026, Onex Construction has approximately 50 employees across 3 continents, including North America, Africa and Asia. Key team members include Controller: R. S. Explore Onex Construction's employee directory with LeadIQ.

What industry does Onex Construction belong to?

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Onex Construction operates in the Construction industry.

What technology does Onex Construction use?

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Onex Construction's tech stack includes HubSpot Analytics, Microsoft Clarity, iCIMS, Amazon Web Services, WordPress, Shopify, Google Workspace and Piwik PRO Core.

What is Onex Construction's email format?

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Onex Construction's email format typically follows the pattern of FLast@onexconstruction.com. Find more Onex Construction email formats with LeadIQ.
Onex Construction logo

Onex Construction

ConstructionOhio, United States11-50 Employees

Onex Construction is a global contractor focused on industrial refractory projects, project management, and material supply. The company emphasizes contemporary design approaches and advanced delivery and installation methods to support its operations, aiming to meet precise specifications and challenging client needs. Its services address clients in industrial construction by offering engineering, skilled trades, and round-the-clock project management to support critical refractory solutions and labor-intensive installs. Based in the construction industry, Onex positions itself as a provider capable of problem-solving, cost-saving, and delivering client satisfaction through its architecture of processes and personnel. The organization highlights a culture and value system that underpins its ability to manage complex refractory work across global projects, with a professional team available for clients at all times. The company’s profile indicates a focus on reliability and technical expertise within industrial settings, aligning with other large-scale contracting firms in their sector.

Section iconCompany Overview

Phone number
NAICS Code
23 - Construction
Employees
11-50

Section iconFunding & Financials

  • $25M - $50M

    Onex Construction's revenue is estimated to be in the range of $25M - $50M

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