What technologies does Three29 use?

Three29 uses Cloudflare DNS, Rackspace MailGun, Gmail, Google Apps, CloudFlare Hosting. View their full technology stack — including all 22 detected tools — on StackWho.

Who is the Director of Engineering of Three29?

Justin Welenofsky is the Director of Engineering at Three29. Get verified contact information on StackWho.

Who is the Vice President of Three29?

Joshua Hanosh is the Vice President at Three29. Get verified contact information on StackWho.

Where is Three29 located?

Three29 is based in Sacramento, California, United States.

Three29

Q: What industry is Three29 in?

Three29 operates in the marketing & advertising industry.

three29.com

marketing & advertising

three29.com

Sacramento, California, United States

11-50 employees

6700000 revenue

LinkedIn Profile

About Three29

web design, mobile app design, mobile app development, digital strategy, email marketing, digital marketing, seo, branding, lead generation, marketing strategy, marketing services, long sales cycle marketing, site speed optimization, manufacturing, performance tracking, answer engine content strategy, information technology and services, market positioning, answer engine optimization, a/b testing

Three29's Tech Stack

AI/ML

Decision Makers at Three29

3 contacts

Justin Welenofsky

Director of Engineering

j***@three29.com Sign up to view

Joshua Hanosh

Vice President

j***@three29.com Sign up to view

Kevin Howe

President & Founder

k***@three29.com Sign up to view

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22 technologies detected · 3 decision makers · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

Three29's Position in the StackWho Database

• Three29 is 1 of 80,546 marketing & advertising companies tracked in StackWho.
• 80,503 marketing & advertising companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 21,907 marketing & advertising companies are in the 11-50 employee range (same size as Three29).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Three29 use?

Three29 uses Cloudflare DNS, Rackspace MailGun, Gmail, Google Apps, CloudFlare Hosting, CrazyEgg, and 16 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Three29?

StackWho has verified email addresses for 3 decision makers at Three29. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Three29 directly for sales, recruiting, or partnerships.

What industry is Three29 in?

Three29 operates in the marketing & advertising industry, headquartered in Sacramento, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Three29's contact data?

Yes. StackWho Pro members can export decision maker contact data for Three29 and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.