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    <nameOfIssuer>Advanced Energy Industries Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>007973100</cusip>
    <value>15202223</value>
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      <Sole>46624</Sole>
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      <None>484</None>
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    <nameOfIssuer>AGCO Corp.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>001084102</cusip>
    <value>28651870</value>
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      <Sole>215870</Sole>
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      <None>31406</None>
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    <nameOfIssuer>APi Group</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00187Y100</cusip>
    <value>10344675</value>
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      <Sole>114585</Sole>
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      <None>140713</None>
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    <nameOfIssuer>Armstrong World Industries Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04247X102</cusip>
    <value>27732214</value>
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    <votingAuthority>
      <Sole>145974</Sole>
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      <None>22304</None>
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    <nameOfIssuer>Belden Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>077454106</cusip>
    <value>29669442</value>
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      <sshPrnamt>258377</sshPrnamt>
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    <votingAuthority>
      <Sole>219578</Sole>
      <Shared>0</Shared>
      <None>38799</None>
    </votingAuthority>
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    <nameOfIssuer>Boot Barn Holdings Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>099406100</cusip>
    <value>39860853</value>
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      <sshPrnamt>272348</sshPrnamt>
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      <Sole>232900</Sole>
      <Shared>0</Shared>
      <None>39448</None>
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    <nameOfIssuer>Broadridge Financial Solutions</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>11133T103</cusip>
    <value>7352870</value>
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      <sshPrnamt>45254</sshPrnamt>
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    <votingAuthority>
      <Sole>20197</Sole>
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      <None>25057</None>
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    <nameOfIssuer>Crane NXT</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>224441105</cusip>
    <value>31814767</value>
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      <sshPrnamt>783808</sshPrnamt>
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    <votingAuthority>
      <Sole>673850</Sole>
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      <None>109958</None>
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    <nameOfIssuer>CSW Industrials</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>126402106</cusip>
    <value>23018595</value>
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      <sshPrnamt>88336</sshPrnamt>
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    <votingAuthority>
      <Sole>87432</Sole>
      <Shared>0</Shared>
      <None>904</None>
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    <nameOfIssuer>Darling Ingredients Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>237266101</cusip>
    <value>48249804</value>
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      <sshPrnamt>780110</sshPrnamt>
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      <Sole>662172</Sole>
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      <None>117938</None>
    </votingAuthority>
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    <nameOfIssuer>Dorman Products Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>258278100</cusip>
    <value>25726932</value>
    <shrsOrPrnAmt>
      <sshPrnamt>246521</sshPrnamt>
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      <Sole>243996</Sole>
      <Shared>0</Shared>
      <None>2525</None>
    </votingAuthority>
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    <nameOfIssuer>Enerpac Tool Group</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>292765104</cusip>
    <value>24247955</value>
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      <sshPrnamt>664874</sshPrnamt>
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      <Sole>658068</Sole>
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      <None>6806</None>
    </votingAuthority>
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    <nameOfIssuer>Extreme Networks</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30226D106</cusip>
    <value>34652830</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2297933</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1998898</Sole>
      <Shared>0</Shared>
      <None>299035</None>
    </votingAuthority>
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    <nameOfIssuer>Floor &amp; Decor Holdings</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>339750101</cusip>
    <value>4438599</value>
    <shrsOrPrnAmt>
      <sshPrnamt>87374</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>38474</Sole>
      <Shared>0</Shared>
      <None>48900</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Generac Holdings Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>368736104</cusip>
    <value>9520970</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48743</sshPrnamt>
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    <votingAuthority>
      <Sole>21471</Sole>
      <Shared>0</Shared>
      <None>27272</None>
    </votingAuthority>
  </infoTable>
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    <nameOfIssuer>Ingevity Corp</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45688C107</cusip>
    <value>17882363</value>
    <shrsOrPrnAmt>
      <sshPrnamt>251051</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <votingAuthority>
      <Sole>213650</Sole>
      <Shared>0</Shared>
      <None>37401</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Kadant Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>48282T104</cusip>
    <value>12576312</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43018</sshPrnamt>
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    <votingAuthority>
      <Sole>42618</Sole>
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      <None>400</None>
    </votingAuthority>
  </infoTable>
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    <nameOfIssuer>Live Oak Bancshares Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>53803X105</cusip>
    <value>34179135</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1033539</sshPrnamt>
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      <Sole>899465</Sole>
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      <None>134074</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>Louisiana-Pacific Corp</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>546347105</cusip>
    <value>35346970</value>
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      <sshPrnamt>485869</sshPrnamt>
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    <votingAuthority>
      <Sole>417618</Sole>
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      <None>68251</None>
    </votingAuthority>
  </infoTable>
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    <nameOfIssuer>Modine Manufacturing Co</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>607828100</cusip>
    <value>23900079</value>
    <shrsOrPrnAmt>
      <sshPrnamt>110286</sshPrnamt>
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      <Sole>93776</Sole>
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      <None>16510</None>
    </votingAuthority>
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    <nameOfIssuer>MSA Safety Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>553498106</cusip>
    <value>27956754</value>
    <shrsOrPrnAmt>
      <sshPrnamt>170520</sshPrnamt>
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    <votingAuthority>
      <Sole>146069</Sole>
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      <None>24451</None>
    </votingAuthority>
  </infoTable>
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    <nameOfIssuer>Murphy USA Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>626755102</cusip>
    <value>41887174</value>
    <shrsOrPrnAmt>
      <sshPrnamt>84797</sshPrnamt>
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      <Sole>72441</Sole>
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      <None>12356</None>
    </votingAuthority>
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    <nameOfIssuer>Oshkosh Corp</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>688239201</cusip>
    <value>4560566</value>
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      <sshPrnamt>30980</sshPrnamt>
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      <Sole>13643</Sole>
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    </votingAuthority>
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    <nameOfIssuer>SEI Investments Co</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>784117103</cusip>
    <value>5289113</value>
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    </votingAuthority>
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    <nameOfIssuer>Stepan Co</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>858586100</cusip>
    <value>18932374</value>
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    <nameOfIssuer>The Boston Beer Co Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>100557107</cusip>
    <value>17237606</value>
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    </votingAuthority>
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    <nameOfIssuer>The Brink's Co.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>109696104</cusip>
    <value>32813714</value>
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    </votingAuthority>
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    <nameOfIssuer>Thor Industries Inc.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>885160101</cusip>
    <value>10474138</value>
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    </votingAuthority>
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    <nameOfIssuer>US Physical Therapy Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>90337L108</cusip>
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    </votingAuthority>
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    <nameOfIssuer>Valmont Industries Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>920253101</cusip>
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      <Sole>7309</Sole>
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    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>Watsco Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>942622200</cusip>
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      <None>10461</None>
    </votingAuthority>
  </infoTable>
</informationTable>
