Geonix

Pros: Very kind support staff.
Proxies quality.
Prices.
Good site interface and navigation.
They provide promo code for first order.

Cons: They don't have dynamic IPv6 proxies tariff.

Overall: I really like their Resident proxies, I was able to create more than thousand IP's for my project for really good price.

Pros: Proxies work almost with all sites

Support helped me a lot

Proxies work great for scraping

IP's work with SOCKS5

You getting all order info to your email

Cons: i really like this service but one thing i miss is Argentina static proxies

Overall: I needed to scrape different sites and searched for not-so-expensive IP provider. I used them for almost a month now, and IP's they provided are very solid. I wrote to support and asked which proxies will suit for my sites and they helped me to choose right ones, and seems like they did it well.
They work great in my scrapping program and all sites that I need let their proxy through without a problem.

Pros: They have a lot of proxy types in their assortment.

Good proxy quality.

Support 24/7.

A blog with a lot of guides.

Cons: There are many features and sections on the site, the interface can seem confusing.

No autorenewal option.

Overall: Just a good service that provides everything that is required of it. I've been working with them for a few months now and I haven't had any problems with proxies.
They have a very large selection of proxy types on their site, I was able to work with each one for a while and finally understand the differences and what works for me.

And not to mention the support that will answer you even at night if you need anything. A good reliable service, especially for people whose work involves proxies and it is important for them not to have any problems with them.

Also the prices are fair.