What are some recommended agents for a visa run to Laos from Chiang Mai for a tourist visa?

Users are seeking recommendations for agents who can facilitate a visa run from Chiang Mai to Laos for a tourist visa. One user suggests chiangmaivisarun.com as a possible agent. Another user mentions that traveling to Cambodia might be cheaper, advising on the bus route from Pattaya to Trat and then to the Cambodia border, with travel costs between 500-600 baht. A different user shares their experience, stating that a trip to Kong Khaen, Laos, can also be done easily in a single day.