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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001140361-10-026533.txt : 20100623
<SEC-HEADER>0001140361-10-026533.hdr.sgml : 20100623
<ACCEPTANCE-DATETIME>20100623104658
ACCESSION NUMBER:		0001140361-10-026533
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100614
FILED AS OF DATE:		20100623
DATE AS OF CHANGE:		20100623

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NORTH AMERICAN GALVANIZING & COATINGS INC
		CENTRAL INDEX KEY:			0000055805
		STANDARD INDUSTRIAL CLASSIFICATION:	COATING, ENGRAVING & ALLIED SERVICES [3470]
		IRS NUMBER:				710268502
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5314 S YALE AVENUE
		STREET 2:		SUITE 1000
		CITY:			TULSA
		STATE:			OK
		ZIP:			74135
		BUSINESS PHONE:		(918)494-0964

	MAIL ADDRESS:	
		STREET 1:		5314 S YALE AVENUE
		STREET 2:		SUITE 1000
		CITY:			TULSA
		STATE:			OK
		ZIP:			74135

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KINARK CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KIN ARK OIL CO
		DATE OF NAME CHANGE:	19690601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KIN ARK OIL & GAS CO
		DATE OF NAME CHANGE:	19680906

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			AZZ INC
		CENTRAL INDEX KEY:			0000008947
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC LIGHTING & WIRING EQUIPMENT [3640]
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			0228

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03920
		FILM NUMBER:		10911942

	BUSINESS ADDRESS:	
		STREET 1:		ONE MUSEUM PLACE, SUITE 500
		STREET 2:		3100 W 7TH STREET
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76107
		BUSINESS PHONE:		8178100095

	MAIL ADDRESS:	
		STREET 1:		ONE MUSEUM PLACE, SUITE 500
		STREET 2:		3100 W 7TH STREET
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76107

	FORMER NAME:	
		FORMER CONFORMED NAME:	AZTEC MANUFACTURING CO
		DATE OF NAME CHANGE:	20000911
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-06-14</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000055805</issuerCik>
        <issuerName>NORTH AMERICAN GALVANIZING &amp; COATINGS INC</issuerName>
        <issuerTradingSymbol>NGA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000008947</rptOwnerCik>
            <rptOwnerName>AZZ INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE MUSEUM PLACE, SUITE 500</rptOwnerStreet1>
            <rptOwnerStreet2>3100 WEST 7TH STREET</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76107</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>SUBJECT COMPANY</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>COMMON STOCK</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13017985</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>CORPORATE STRUCTURE</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>STOCK OPTION (RIGHT TO BUY)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>7.50</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2010-06-14</value>
            </exerciseDate>
            <expirationDate>
                <value>2010-06-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>987134</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>CORPORATE STRUCTURE</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These shares are owned directly by Big Kettle Merger Sub, Inc., which is a wholly owned subsidiary of Arbor-Crowley, Inc., which is a wholly owned subsidiary of AZZ incorporated.  Arbor-Crowley, Inc. and AZZ incorporated are indirect beneficial owners of the reported shares.</footnote>
        <footnote id="F2">Includes 326,829 shares of common stock that constitute restricted shares that vested on June 14, 2010 and 660,305 shares of common stock that were held in trust under the North American Galvanizing &amp; Coatings, Inc. Director Stock Unit Program until June 14, 2010, in each case which Big Kettle Merger Sub, Inc. has an option to purchase pursuant to the Stockholders Agreement, dated as of March 31, 2010, by and among AZZ incorporated, Big Kettle Merger Sub, Inc. and certain stockholders of North American Galvanizing &amp; Coatings, Inc.</footnote>
        <footnote id="F3">The option to purchase these shares is held, and the shares underlying the option are beneficially owned, directly by Big Kettle Merger Sub, Inc., which is a wholly owned subsidiary of Arbor-Crowley, Inc., which is a wholly owned subsidiary of AZZ incorporated.  Arbor-Crowley, Inc. and AZZ incorporated are indirect beneficial owners of the reported shares.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>DANA PERRY</signatureName>
        <signatureDate>2010-06-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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