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    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001757894</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



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    <formData>
        <issuerInfo>
            <issuerCik>0000824142</issuerCik>
            <issuerName>AAON, INC.</issuerName>
            <secFileNumber>000-18953</secFileNumber>
            <issuerAddress>
                <ns2:street1>2425 South Yukon Ave.</ns2:street1>
                <ns2:city>Tulsa</ns2:city>
                <ns2:stateOrCountry>OK</ns2:stateOrCountry>
                <ns2:zipCode>74107</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(918) 583-2266</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>STEPHEN WAKEFIELD</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>38th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>15000</noOfUnitsSold>
            <aggregateMarketValue>1110000.00</aggregateMarketValue>
            <noOfUnitsOutstanding>81244857</noOfUnitsOutstanding>
            <approxSaleDate>12/26/2023</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>12/26/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>15000</amountOfSecuritiesAcquired>
            <paymentDate>12/26/2023</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>STEPHEN WAKEFIELD</name>
                <address>
                    <ns2:street1>2425 South Yukon Ave.</ns2:street1>
                    <ns2:city>Tulsa</ns2:city>
                    <ns2:stateOrCountry>OK</ns2:stateOrCountry>
                    <ns2:zipCode>74107</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>12/20/2023</saleDate>
            <amountOfSecuritiesSold>41936</amountOfSecuritiesSold>
            <grossProceeds>3050859.38</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>STEPHEN WAKEFIELD</name>
                <address>
                    <ns2:street1>2425 South Yukon Ave.</ns2:street1>
                    <ns2:city>Tulsa</ns2:city>
                    <ns2:stateOrCountry>OK</ns2:stateOrCountry>
                    <ns2:zipCode>74107</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>12/19/2023</saleDate>
            <amountOfSecuritiesSold>18064</amountOfSecuritiesSold>
            <grossProceeds>1307385.61</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>STEPHEN WAKEFIELD</name>
                <address>
                    <ns2:street1>2425 South Yukon Ave.</ns2:street1>
                    <ns2:city>Tulsa</ns2:city>
                    <ns2:stateOrCountry>OK</ns2:stateOrCountry>
                    <ns2:zipCode>74107</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>12/15/2023</saleDate>
            <amountOfSecuritiesSold>30000</amountOfSecuritiesSold>
            <grossProceeds>2156250.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>STEPHEN WAKEFIELD</name>
                <address>
                    <ns2:street1>2425 South Yukon Ave.</ns2:street1>
                    <ns2:city>Tulsa</ns2:city>
                    <ns2:stateOrCountry>OK</ns2:stateOrCountry>
                    <ns2:zipCode>74107</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>12/14/2023</saleDate>
            <amountOfSecuritiesSold>76000</amountOfSecuritiesSold>
            <grossProceeds>5346610.64</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>12/26/2023</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>09/13/2023</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Stephen Edward Wakefield</signature>
        </noticeSignature>
    </formData>
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144
0001757894
XXXXXXXX
LIVE
0000824142
AAON, INC.
000-18953
2425 South Yukon Ave.
Tulsa
OK
74107
(918) 583-2266
STEPHEN WAKEFIELD
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
38th Floor
New York
NY
10004
15000
1110000.00
81244857
12/26/2023
NASDAQ
Common
12/26/2023
Stock Option Exercise
Issuer
N
15000
12/26/2023
Cash
N
STEPHEN WAKEFIELD
2425 South Yukon Ave.
Tulsa
OK
74107
Common
12/20/2023
41936
3050859.38
STEPHEN WAKEFIELD
2425 South Yukon Ave.
Tulsa
OK
74107
Common
12/19/2023
18064
1307385.61
STEPHEN WAKEFIELD
2425 South Yukon Ave.
Tulsa
OK
74107
Common
12/15/2023
30000
2156250.00
STEPHEN WAKEFIELD
2425 South Yukon Ave.
Tulsa
OK
74107
Common
12/14/2023
76000
5346610.64
12/26/2023
09/13/2023
/s/ Stephen Edward Wakefield