Four One Nine

fouronenine.com

San Francisco, California, United States

1-10 employees

LinkedIn Profile

About Four One Nine

branding, creative agency, venue, brand strategy, content creation, experiential, editorial strategy, events, weddings, art direction, studio, streaming, web development, event space rental, art exhibitions, culinary experiences, private events, interactive exhibitions, studio rentals, artistic gatherings

Four One Nine's Tech Stack

Decision Makers at Four One Nine

1 contact

Sonya Yu

Founder & CEO

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8 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

Four One Nine uses Gmail, Google Apps, Typekit among other technologies. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

Four One Nine's Position in the StackWho Database

• Four One Nine is 1 of 3,895 events services companies tracked in StackWho.
• 3,887 events services companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 2,253 events services companies are in the 1-10 employee range (same size as Four One Nine).

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

Frequently Asked Questions

What technology does Four One Nine use?

Four One Nine uses Gmail, Google Apps, Typekit, Squarespace ECommerce, Mobile Friendly, Google Tag Manager, and 2 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Four One Nine?

StackWho has verified email addresses for 1 decision maker at Four One Nine. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Four One Nine directly for sales, recruiting, or partnerships.

What industry is Four One Nine in?

Four One Nine operates in the events services industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Four One Nine's contact data?

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