The Agency for International Development (USAID) is seeking to modify an existing contract related to its operations in Southeast Asia, specifically through the USAID/RDMA in Thailand. This modification is part of a Justification and Approval process, indicating the need for professional support services categorized under PSC code R499. The services are crucial for enhancing USAID's mission in the region, particularly in Jakarta, Indonesia, where the performance will take place. Interested parties can reach out to Amornrat Muansantheai at amuansantheai@usaid.gov or by phone at 6622573129, or Karittha Jenchiewchan at kjenchiewchan@usaid.gov or 6622573025 for further details regarding this opportunity.