Prospecting companies using Klaviyo? Here they are, biggest first, including Covanta, Nice Group and vineyard vines. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Klaviyo is a Marketing automation & email technology. Companies running these platforms are active buyers of martech, data, agencies and content. Companies on the list include Covanta, Nice Group and vineyard vines.
Among companies using Klaviyo on LeadIQ, the most common industries are Retail, Retail Apparel and Fashion, Manufacturing, Food and Beverage Services, Wellness and Fitness Services and Personal Care Product Manufacturing. Narrow your list to the industry you sell into from there.
Companies using Klaviyo are most often headquartered in the United States, the United Kingdom, Canada, Australia, France and Germany.
Prospecting the wider Marketing automation & email space? Related technologies with their own company lists include Mailchimp, Vimeo, Pardot and Amazon Simple Email Service.
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.