ZACX	Zaclon, Inc.	added 10/88; 1/94-7/2000
ZCAX	Zinc Corp. of America (previously St. Joe Minerals Corp., reporting marks SJMX)	added 10/88; 1/94-7/2000
ZCCX	Zeigler Coal Co.	added 1/79; 1/80-1/94; eliminated 7/99; 7/2000
ZIPX	Zip Transportation Co., Inc.	added 7/65; 7/65-1/94; eliminated 4/94
ZMX	Zummo Meat Co.	Jan-52
ZRNX	Erie City Energy Division, Zurn Industries, Inc.	added 1/72; 1/75-1/80; eliminated 5/83; 1/94-7/2000
ZTLX	Ziol Tank Line	added 7/73; 1/75-1/80; eliminated 1/91; 1/94; added 7/99; 7/2000
ZTTX	Trailer Train Co.	added 4/66; eliminated 1/92
	Trailer Train Co. (FM flat cars for general service. These cars are equipped with 15 stake pockets per side, total 30 stake pockets)	10/66-10/68
	Trailer Train Co.	Apr-70
	Trailer Train Co. (flat cars equipped with 30 stake pockets, 15 per side; for transporting long poles)	1/75-1/80; eliminated 1/92
	TTX Co. (flat cars equipped with 30 stake pockets, 15 per side; for transporting long poles)	added 1/92; 1/94-7/2000