This is a non-competitive combined synopsis/solicitation for a firm-fixed-price purchase order to TESCAN USA Inc. for annual preventive maintenance and repair services for a TESCAN Amber FIB-SEM system. The acquisition is conducted under streamlined commercial procedures and is not set aside for small business. TESCAN is the original equipment manufacturer and the only known source capable of providing the required proprietary maintenance. The associated NAICS code is 811210 with a small business size standard of $34.0 million. The intended contractor is located in Warrendale, Pennsylvania.