0001019687-03-000689 8-K 2 20030401 4 7 20030404 AMISTAR CORP 0000741559 3559 952747332 CA 1231 8-K 34 000-13403 03639367 237 VIA VERA CRUZ SAN MARCOS CA 92069 6194713967 237 VIA VERA CRUZ SAN MARCOS CA 92069 8-K 1 amistar_8k-040103.txt EX-16.1 3 amistar_exh16-1.txt