Craig L. Mackin

Interlock Industries, Inc. manufactures custom roofing and siding products. Its holdings include transportation, aluminum billet casting & extrusion, and corrugated packaging companies. The company was founded in 1982 and is headquartered in Louisville, KY.

Metal Sales Manufacturing Corp. manufactures metal roofing, wall and building systems. Its metal building products and systems are used in all building sectors including: commercial, institutional, light commercial, industrial, agricultural, and residential markets. The firm's products include commercial metal panels: retro-master, IMPACT steel buildings, IMPower series, concealed fastened wall panels and stone creek wall systems; agricultural metal panels: drip-shield residential metal panels and terrabella panels. The company was founded by E. L. Stephens and C. L. Baird, Sr. in 1963 and is headquartered in Louisville, KY.

Interlock Industries, Inc. manufactures custom roofing and siding products. Its holdings include transportation, aluminum billet casting & extrusion, and corrugated packaging companies. The company was founded in 1982 and is headquartered in Louisville, KY.

Metal Sales Manufacturing Corp. manufactures metal roofing, wall and building systems. Its metal building products and systems are used in all building sectors including: commercial, institutional, light commercial, industrial, agricultural, and residential markets. The firm's products include commercial metal panels: retro-master, IMPACT steel buildings, IMPower series, concealed fastened wall panels and stone creek wall systems; agricultural metal panels: drip-shield residential metal panels and terrabella panels. The company was founded by E. L. Stephens and C. L. Baird, Sr. in 1963 and is headquartered in Louisville, KY.