    <SEC-DOCUMENT>0000950170-23-002477-index.html : 20230210
    <SEC-HEADER>0000950170-23-002477.hdr.sgml : 20230210
    <ACCEPTANCE-DATETIME>20230210162112
    ACCESSION NUMBER:		0000950170-23-002477
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		37
    CONFORMED PERIOD OF REPORT:	20230322
    FILED AS OF DATE:		20230210
    DATE AS OF CHANGE:		20230210

    FILER:

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

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-08929
    		FILM NUMBER:		23612258

    	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>DEF 14A
    <SEQUENCE>1
    <FILENAME>abm-2023-def_14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: abm-2023-def_14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>img15699031_0.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: img15699031_0.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>img15699031_1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: img15699031_1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>img15699031_2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: img15699031_2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>img15699031_3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: img15699031_3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>img15699031_4.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: img15699031_4.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>img15699031_5.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: img15699031_5.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>img15699031_6.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: img15699031_6.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>img15699031_7.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: img15699031_7.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>img15699031_8.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: img15699031_8.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>img15699031_9.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: img15699031_9.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>img15699031_10.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: img15699031_10.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>img15699031_11.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: img15699031_11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>img15699031_12.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: img15699031_12.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>img15699031_13.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: img15699031_13.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>img15699031_14.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: img15699031_14.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>img15699031_15.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: img15699031_15.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>img15699031_16.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: img15699031_16.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>img15699031_17.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: img15699031_17.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>img15699031_18.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: img15699031_18.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>img15699031_19.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: img15699031_19.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>img15699031_20.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: img15699031_20.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>img15699031_21.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: img15699031_21.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>img15699031_22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: img15699031_22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>img15699031_23.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: img15699031_23.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>img15699031_24.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: img15699031_24.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>img15699031_25.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: img15699031_25.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>img15699031_26.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: img15699031_26.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>img15699031_27.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: img15699031_27.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>img15699031_28.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: img15699031_28.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>img15699031_29.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: img15699031_29.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>img15699031_30.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: img15699031_30.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>img15699031_31.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: img15699031_31.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>img15699031_32.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 34 - file: img15699031_32.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>img15699031_33.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 35 - file: img15699031_33.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>img15699031_34.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 36 - file: img15699031_34.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>img15699031_35.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 37 - file: img15699031_35.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>