Sorry, available market cap data for Sysco (SYY) starts on July 1, 1985. Sysco (SYY) has a market capitalization of $37.7B, based on 480.06M shares at a price of $78.48 (down 0.4% today).

DATE	OPEN	HIGH	LOW	CLOSE	VOLUME
December 31 1979	$0.08	$0.08	$0.08	$0.08	192,000
December 28 1979	$0.08	$0.08	$0.08	$0.08	192,000
December 27 1979	$0.08	$0.08	$0.08	$0.08	67,200
December 26 1979	$0.08	$0.08	$0.08	$0.08	38,400
December 24 1979	$0.08	$0.08	$0.08	$0.08	144,000
December 21 1979	$0.08	$0.08	$0.08	$0.08	240,000
December 20 1979	$0.08	$0.08	$0.08	$0.08	268,800
December 19 1979	$0.08	$0.08	$0.08	$0.08	86,400
December 18 1979	$0.08	$0.08	$0.08	$0.08	556,800
December 17 1979	$0.08	$0.08	$0.08	$0.08	336,000
December 14 1979	$0.08	$0.08	$0.08	$0.08	67,200
December 13 1979	$0.08	$0.08	$0.08	$0.08	672,000
December 12 1979	$0.08	$0.08	$0.08	$0.08	336,000
December 11 1979	$0.08	$0.08	$0.07	$0.08	1,017,600
December 10 1979	$0.08	$0.08	$0.08	$0.08	1,622,400
December 07 1979	$0.07	$0.08	$0.07	$0.08	3,792,000
December 06 1979	$0.07	$0.07	$0.07	$0.07	163,200
December 05 1979	$0.07	$0.07	$0.07	$0.07	134,400
December 04 1979	$0.07	$0.07	$0.07	$0.07	720,000
December 03 1979	$0.07	$0.07	$0.07	$0.07	144,000
November 30 1979	$0.07	$0.07	$0.07	$0.07	2,966,400
November 29 1979	$0.07	$0.07	$0.07	$0.07	288,000
November 28 1979	$0.07	$0.07	$0.07	$0.07	67,200
November 27 1979	$0.07	$0.07	$0.07	$0.07	326,400
November 26 1979	$0.07	$0.07	$0.07	$0.07	595,200