Insights

Established Track Longstanding presence since 1918 with a diverse construction delivery model including construction management, design/build, general contracting, and IPD, signaling potential for clients seeking integrated project delivery and flexible contracting options.

Regional Strength Headquartered in Grand Rapids, Michigan with a mid-sized workforce of 51-200 employees, suggesting opportunities to engage mid-market clients in the Midwest seeking reliable partners with scalable capabilities.

Industry Reputation Reputation for dedication, excellence, and professionalism positions Triangle as a trusted partner for complex facilities projects, ideal for clients requiring high-quality construction outcomes and strong project governance.

Broad Capabilities Four construction methods offer versatile engagement models for clients across sectors, enabling cross-sell into design-build and IPD opportunities, as well as traditional GC or CM projects.

Growth Readiness Visible emphasis on expanding through technology adoption and potential partnerships, aligning with clients pursuing modern construction practices, efficiency gains, and integrated digital workflows.

Similar companies to Triangle

Triangle Tech Stack

Triangle uses 8 technology products and services including Wix, WordPress, Shopify, and more. Explore Triangle's tech stack below.

Media & News

Triangle's Email Address Formats

Triangle uses at least 3 email formats:
Triangle Email FormatsExamplePercentage
FirstL@triangle-inc.comJohnD@triangle-inc.com
91%
Last@triangle-inc.comDoe@triangle-inc.com
8%
FirstLa@triangle-inc.comJohnDo@triangle-inc.com
1%

Frequently Asked Questions

What is Triangle's phone number?

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You can contact Triangle'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 Triangle's stock symbol?

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Triangle is a publicly traded company; the company's stock symbol is HCTI.

What is Triangle's official website and social media links?

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Triangle's official website is triangle-inc.com and has social profiles on LinkedIn.

How much revenue does Triangle generate?

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As of August 2026, Triangle's annual revenue is estimated to be $500M - $1B.

What is Triangle's NAICS code?

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Triangle's NAICS code is 23 - Construction.

How many employees does Triangle have currently?

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As of August 2026, Triangle has approximately 156 employees across 3 continents, including North America, Europe and Asia. Key team members include Vice President Of Project Development & Marketing: B. P., Director: J. B. and Bond Campaign & Communications Lead: N. D. Explore Triangle's employee directory with LeadIQ.

What industry does Triangle belong to?

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Triangle operates in the Construction industry.

What technology does Triangle use?

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Triangle's tech stack includes Wix, WordPress, Shopify, Procore, Constant Contact, Vimeo, Adobe Creative Suite and Piwik PRO Core.

What is Triangle's email format?

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Triangle's email format typically follows the pattern of FirstL@triangle-inc.com. Find more Triangle email formats with LeadIQ.

When was Triangle founded?

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Triangle was founded in 1918.
Triangle logo

Triangle

ConstructionMichigan, United States51-200 Employees

Triangle Associates is a Grand Rapids, Michigan-based construction firm with a history dating back to 1918. The company supports a broad range of project delivery needs through four methods—construction management, design/build, general contracting, and integrated project delivery (IPD)—to align with a client’s goals and risk profile. This combination provides flexibility for addressing diverse requirements across the built environment.

Its client base includes organizations seeking construction services to develop facilities, with projects that benefit from professional project execution and collaborative delivery. The firm’s reputation rests on the dedication, excellence, and professionalism of its staff. In 2020, Triangle Associates named Pat Cebelak as president, marking a notable leadership development for the company.

Section iconCompany Overview

Phone number
Stock Symbol
HCTI
NAICS Code
23 - Construction
Founded
1918
Employees
51-200

Section iconFunding & Financials

  • $500M - $1B

    Triangle's revenue is estimated to be in the range of $500M - $1B

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