PR9214327 Preventive Maintenance Services for Chillers (PDF 406 KB) Attachment 1 Statement of Work (PDF 306 KB) By U.S. Embassy Sofia | 11 June, 2020 | Topics: Business, News | Tags: Local Business Opprtunities Suggested for You Coronavirus (COVID-19) Information Demonstration Alert: Annual Lukov March – February 13, 2021