YAN	Yancey R.R. Co.	1/75; added 1/80; 1/80; eliminated 10/89
YARR	Youngstown & Austintown R.R., Inc.	added 4/85
	Ohio R.R. System	eliminated 10/92
	Columbus & Ohio River R.R. Co., Inc.	added 10/92
	Youngstown & Austintown R.R., Inc.	1/94-7/2000
YB	The Youngstown Belt R.R. Co.	added 4/97; 7/2000
YDCX	Yankeetown Dock Corp.	added 7/79; 1/80; eliminated 1/80
YEMX	Yesera Monterrey, S.A.	10/57; eliminated 1/58
YKR	Yorkrail, Inc.	added 10/89; 1/94; eliminated 4/2000
	York Ry. Co.	added 4/2000; 7/2000
YN	Youngstown and Northern R.R. Co.	1/75-1/80; eliminated 1/81; eliminated 7/81
YOKX	Yale Oil Association	Apr-38
YOTX	Yale Oil Tank Line Co.	Apr-38
YRC	York Ry. Co.	added 4/2000; 7/2000
YS	Youngstown & Suburban Ry. Co.	4/38-1/52; 10/57-4/70
	Youngstown & Southern Ry. Co.	1/75-1/80; eliminated 7/93; 1/94-7/2000
YSDX	The Youngstown Steel Door Co.	1/80; eliminated 1/83
YSLR	Yolo Shortline R.R. Co.	added 4/91; eliminated 7/91; 1/94-7/2000
YSMX	Panama Gypsum Co.	added 1/62; 7/65-1/75; eliminated 4/76
	Canadian Gypsum Co., Ltd.	added 4/76; 1/80; eliminated 4/91
YSTX	The Youngstown Sheet & Tube Co.	4/38-1/80
YVRR	Yadkin Valley R.R. Co.	added 7/90; eliminated 7/93; 1/94; added 1/96; 7/2000
YVT	Yakima Valley Transportation Co.	1/75-1/80; eliminated 1/86; 7/2000
YW	Yreka Western R.R. Co.	1/75-7/2000