HD The Home Depot, Inc. $404.25B $406.31 LOW Lowe's Companies, Inc. $145.01B $258.74 ITW Illinois Tool Works Inc. $76.45B $262.26 FAST Fastenal Company $56.45B $49.19 GWW W.W. Grainger, Inc. $48.64B $1016.86 TSCO Tractor Supply Company $32.60B $61.52 IR Ingersoll Rand Inc. $30.98B $77.94 DOV Dover Corporation $24.10B $175.77 HUBB Hubbell Incorporated $22.86B $430.15 GPC Genuine Parts Company $18.92B $136.03 SNA Snap-on Incorporated $16.87B $323.45 LECO Lincoln Electric Holdings, Inc. $13.35B $241.96 SWK Stanley Black & Decker, Inc. $11.10B $71.72 AGCO AGCO Corporation $7.96B $106.74 ESAB ESAB Corporation $6.97B $114.88 MSM MSC Industrial Direct Co., Inc. $4.97B $89.22 MWA Mueller Water Products, Inc. $4.12B $26.39 GFF Griffon Corporation $3.54B $76.08 SXI Standex International Corporation $2.45B $202.61 EPAC Enerpac Tool Group Corp. $2.26B $41.94 HLMN Hillman Solutions Corp. $1.94B $9.83 KMT Kennametal Inc. $1.62B $21.26 TNC Tennant Company $1.49B $80.72 DSGR Distribution Solutions Group, Inc. $1.47B $31.76 GIC Global Industrial Company $1.44B $37.41 SPB Spectrum Brands Holdings, Inc. $1.33B $54.87 HLLY Holley Inc. $477.62M $4.00 SWBI Smith & Wesson Brands, Inc. $358.63M $8.13 OFLX Omega Flex, Inc. $350.58M $34.73 EVI EVI Industries, Inc. $349.46M $27.39 CIX CompX International Inc. $296.99M $24.10 ACU Acme United Corporation $161.39M $42.48 EML The Eastern Company $146.48M $24.02 BOOM DMC Global Inc. $137.48M $6.68 TBLT ToughBuilt Industries, Inc. $1.01M $0.70