Insights

Award-winning support HDI was recognized as a 2024 Best Service and Support Organization, highlighting a strong reputation in customer service excellence and a potential up-sell of premium support services, training, and consulting to clients seeking proven service quality.

Growth-ready scale With 501-1000 employees and revenue between 250 and 500 million, HDI represents a mid-market/upper-midmarket target for enterprise-grade IT service management solutions, training programs, and scalable support operations enhancements.

Education as differentiator HDI emphasizes transformative training, certification, and best-practice content, suggesting opportunities to cross-sell learning platforms, certification bundles, partner programs, and professional services to clients aiming to uplift support maturity.

Digital engagement Active use of multiple digital channels and marketing tech (Sitecore, LiveChat, Oracle Eloqua, ads platforms) indicates readiness for digital onboarding, demand-generation partnerships, and analytics-driven customer success initiatives to optimize adoption.

Industry alignment HDI serves the IT services and consulting space with a focus on service management; potential sales opportunities include partnerships or solutions for IT help desks, service desks, and service-management optimization across industries that require reliable support excellence.

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HDI Tech Stack

HDI uses 8 technology products and services including AdRoll, LinkedIn Ads, Microsoft Advertising, and more. Explore HDI's tech stack below.

AdRoll
Advertising
LinkedIn Ads
Advertising
Microsoft Advertising
Advertising
Twitter Ads
Advertising
Microsoft Clarity
Analytics
Sitecore
Content Management System
LiveChat
Live Chat
Oracle Eloqua
Marketing Automation

Media & News

HDI Inc. recognized as 2024 Best Service and Support Organization.
"We are honoured to be recognized by HDI as the 2024 Best Service and Support Organization globally.
May 09, 2024 | finance.yahoo.com

HDI's Email Address Formats

HDI uses at least 3 email formats:

HDI Email Formats	Example	Percentage
FLast@thinkhdi.com	JDoe@thinkhdi.com	98%
Last@thinkhdi.com	Doe@thinkhdi.com	1%
FL@thinkhdi.com	JD@thinkhdi.com	1%

Frequently Asked Questions

What is HDI's phone number?

You can contact HDI's main corporate office by phone at

+1-800-248-****

. 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 HDI's stock symbol?

HDI is a publicly traded company; the company's stock symbol is HDIVX.

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

HDI's official website is thinkhdi.com and has social profiles on LinkedIn.

How much revenue does HDI generate?

As of August 2026, HDI's annual revenue is estimated to be $250M - $500M.

What is HDI's SIC code and NAICS code?

HDI's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does HDI have currently?

As of August 2026, HDI has approximately 650 employees across 6 continents, including North America, Europe and Asia. Key team members include Ceo: T. Y., Ceo: D. J. and Vice President Of Strategic Accounts: H. C. Explore HDI's employee directory with LeadIQ.

What industry does HDI belong to?

HDI operates in the IT Services and IT Consulting industry.

What technology does HDI use?

HDI's tech stack includes AdRoll, LinkedIn Ads, Microsoft Advertising, Twitter Ads, Microsoft Clarity, Sitecore, LiveChat and Oracle Eloqua.

What is HDI's email format?

HDI's email format typically follows the pattern of FLast@thinkhdi.com. Find more HDI email formats with LeadIQ.

When was HDI founded?

HDI was founded in 1989.

HDI

Q: What is HDI's official website and social media links?

HDI's official website is thinkhdi.com. HDI has social profiles on LinkedIn.

Q: How many employees does HDI have currently?

HDI has approximately 650 employees.

Q: What technology does HDI use?

HDI's tech stack includes Amazon S3, Treasure Data, LinkedIn Ads, reCAPTCHA, Microsoft Clarity.

Q: What is HDI's NAICS code?

HDI's NAICS code is 5415 (Computer Systems Design and Related Services).

IT Services and IT ConsultingNew York, United States501-1000 Employees

HDI is a mid-sized IT services and consulting firm headquartered in New York City, New York. Over more than three decades, it has aimed to advance the technical support and service management field by fostering durable, value-based connections among professionals and organizations. The company provides resources for a practitioner community, training and certification programs, industry events, results-oriented consulting, and content anchored in industry best practices. This combination is designed to help support centers improve performance and outcomes.

Its offerings target IT support and service management professionals looking to advance their careers and improve team performance. In May 2024, HDI was recognized globally as the 2024 Best Service and Support Organization. The company is based in New York City, New York, and operates with hundreds of employees.