<SEC-DOCUMENT>0000950170-25-020789-index.html : 20250214
<SEC-HEADER>0000950170-25-020789.hdr.sgml : 20250214
<ACCEPTANCE-DATETIME>20250214124237
ACCESSION NUMBER:		0000950170-25-020789
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20250214
DATE AS OF CHANGE:		20250214

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ABM INDUSTRIES INC /DE/
		CENTRAL INDEX KEY:			0000771497
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-TO DWELLINGS & OTHER BUILDINGS [7340]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				941369354
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08929
		FILM NUMBER:		25625851

	BUSINESS ADDRESS:	
		STREET 1:		ONE LIBERTY PLAZA
		STREET 2:		7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10006
		BUSINESS PHONE:		212 297-0200

	MAIL ADDRESS:	
		STREET 1:		ONE LIBERTY PLAZA
		STREET 2:		7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10006

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ABM INDUSTRIES INC
		DATE OF NAME CHANGE:	19950110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN BUILDING MAINTENANCE INDUSTRIES INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>abm-20250214.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: abm-20250214.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img178414695_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: img178414695_0.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img178414695_1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img178414695_1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>img178414695_2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: img178414695_2.jpg

</DOCUMENT>
</SEC-DOCUMENT>