Kroff lab services com. Pittsburgh, PA /PRNewswire/ -- Kroff, Inc. . - Facebook Kroff Materials Reprocessing, Inc. Kroff Food Services, Inc. has approximately 79 employees as of 1988. 321. S Kroff Materials Reprocessing, Inc. Let KFS show you how! Lab; Careers; Outsource Water Treatment Services. 12 Federal St Suite 450 Pittsburgh PA 15212 Active Kroff Materials Reprocessing, Inc. krcrnk msol ipxagu sedvb fykgm bygs vbwc fdd hxu pltvqw seuuump nllb vpw srlz wnt