A4

a4.com

apparel & fashion

a4.com

Vernon, California, United States

51-200 employees

32000000 revenue

LinkedIn Profile

About A4

sportswear, athleisure, sports apparel, team uniforms, tshirts, shorts, fleece, hoodies, jerseys, football, baseball, softball, basketball, soccer, volleyball, running, screen print, apparel decoration, eco-friendly fabrics, fabric innovation

A4's Tech Stack

Decision Makers at A4

1 contact

Peter Hissong

Chief Technology Officer

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24 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

AWS infrastructure signals engineering sophistication. This company likely evaluates cloud cost management, security tooling, observability, and developer productivity solutions.

A4's Position in the StackWho Database

• A4 is 1 of 3,706 apparel & fashion companies tracked in StackWho.
• 3,695 apparel & fashion companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 138 apparel & fashion companies are in the 51-200 employee range (same size as A4).

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 A4 use?

A4 uses Cloudflare DNS, Outlook, Microsoft Office 365, CloudFlare Hosting, Amazon AWS, UPS, and 18 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at A4?

StackWho has verified email addresses for 1 decision maker at A4. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach A4 directly for sales, recruiting, or partnerships.

What industry is A4 in?

A4 operates in the apparel & fashion industry, headquartered in Vernon, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export A4's contact data?

Yes. StackWho Pro members can export decision maker contact data for A4 and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.