What are good options for translating and legalizing a marriage certificate in Thailand for a Khor 22 non-O extension?

The post seeks recommendations for services to translate a marriage certificate from English to Thai for legalization, specifically for a Khor 22 non-O yearly extension. The original poster has chosen University of Language in Chiang Mai for the translation and mentioned the cost as 2000 baht with a turnaround of 5 business days. Some comments indicate a mixed response to the inquiry, touching upon typical visa agent concerns and congratulatory remarks about the visa approval process.