SSLPrivateProxy

Bright Data, formerly known as Luminati Networks, is a leading web data platform and proxy service provider. It offers a comprehensive set of tools and services for businesses to collect public web data efficiently and ethically. 
Bright Data's offerings include various types of proxies (residential, datacenter, ISP, mobile), as well as web scraping tools, data collectors, and ready-to-use datasets.

Smartproxy is a proxy service provider established in 2018 that offers residential, datacenter, mobile, and ISP proxies.
They have a large proxy pool with over 55 million IPs across 195+ locations worldwide. Smartproxy provides solutions for web scraping, data collection, ad verification, brand protection, etc.

SOAX is a fast-growing UK-based company that provides businesses with advanced proxy solutions and web data collection tools. Their focus is on delivering efficient, secure, and ethically sourced data extraction capabilities to empower data-driven decision-making.
Their primary services feature residential, mobile, ISP (with US GEO targeting), and datacenter proxies, alongside a web unblocker tool optimized for web scraping.

IPRoyal is a premium proxy service provider offering a wide range of proxy solutions including residential, datacenter, ISP, mobile, and sneaker proxies.
They focus on providing high levels of online privacy for unrestricted internet access. IPRoyal's proxies support various use cases such as web scraping, social media management, brand protection, market research, testing, and automation.

MyPrivateProxy is a leading provider of private proxy services, offering a range of solutions for individuals and businesses. Their flagship product is the Datacenter Proxy, which provides access to a network of over 220 dedicated proxy servers located in 24 global data centers across the world. 

 Positioned as a dependable and feature-packed option, MyPrivateProxy is an excellent selection for anyone seeking high-performance private proxies.

InstantProxies is a US-based company specializing in datacenter proxies, particularly useful for search engines and audit management. 

Despite most of its proxies being located in the United States, which limits their variety, InstantProxies is still famous and has a substantial user base due to its pocket-friendly prices, making it accessible to the average user, which is rarely the case with premium proxy companies.