2base is a business contact database service focused on companies and organizations across Russia. Its catalog presents a collection of 11.8 million business records, with contact details that include phone numbers, email addresses, and postal addresses. Customers can select records using relevant filters and download their chosen dataset in XLSX format, making the service suited to building targeted business lists and organizing prospect information.

The catalog covers a wide range of industries and professional niches. Major categories include retail, construction, automotive services, food, real estate, restaurants, clothing, beauty, IT, consulting, transport, manufacturing, marketing, healthcare, education, and finance. More specific lists span businesses such as cafés, pharmacies, software providers, property agencies, repair services, logistics companies, and beauty salons. Category pages display record counts, helping users assess the available coverage before exploring or creating a selection. By bringing varied business listings and downloadable contact data together, 2base offers a practical resource for users seeking to identify organizations by sector and assemble customized contact lists.