Insights

Strategic Growth Established since 1918 with a diversified construction approach (construction management, design/build, general contracting, IPD) suggests flexibility to pursue new market segments or multi-method engagements for clients pursuing complex projects.

Financial Scale Revenue in the broad mid-to-large scale range ($500M–$1B) and a headcount of 51–200 indicate capacity for sizable projects and longer-duration contracts, making them a strong contender for regional mega-projects or multi-site programs.

Sustainability Excellence Repeated recognition as Michigan’s Best & Brightest Sustainable Companies and a platinum safety award reflect a proven track record in sustainability and safety, opening doors with clients prioritizing ESG, green building, and risk management.

Leadership Signals Notable leadership appointments in recent years (president, COO, finance leadership) signal organizational stability and growth focus, which can translate into stronger client relationships and reliable delivery for new initiatives.

Regional Expertise Grand Rapids headquarters with a long local history positions Triangle Associates as a trusted regional partner for commercial, institutional, and community-focused construction programs, ideal for RFPs or consortium bids in Michigan.

Triangle Tech Stack

Triangle uses 8 technology products and services including Microsoft PowerPoint, Lightbox, Google Maps, and more. Explore Triangle's tech stack below.

  • Microsoft PowerPoint
    Editors
  • Lightbox
    Javascript Libraries
  • Google Maps
    Maps
  • Microsoft
    Miscellaneous
  • Microsoft Word
    Office Suites
  • X-Content-Type-Options
    Web & Portal Technology
  • Google Analytics
    Web Analytics
  • MonsterInsights
    Web Platform Extensions

Media & News

Triangle's Email Address Formats

Triangle uses at least 1 format(s):
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.

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 July 2026, Triangle has approximately 151 employees across 3 continents, including North AmericaEuropeAsia. Key team members include Vice President Of Project Development & Marketing: B. P.Director: J. B.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 Microsoft PowerPointLightboxGoogle MapsMicrosoftMicrosoft WordX-Content-Type-OptionsGoogle AnalyticsMonsterInsights.

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

Section iconFunding & Financials

  • $500M$1B

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

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