- J D Tool & Die
- J D Tool & Engineering
- J H Benedict Co
- J J's Custom Shop
- J J's High Tech Machining
- J M Kusch Inc
- J M Mold South Inc
- J O Wolf Tool & Die Inc
- J P Tool & Die
- J T Tool & Die
- J V Tooling
- J W Harwood Co
- Jackson Machine & Mfg
- Jaeco Precision Inc
- Jaken Industries
- Jamen Tool & Die Co
- James Bookhamer Co
- James P Mc Grath & Son Inc
- Jamesway Tool & Die Inc
- Jamison Steel Rule Die Inc
- Jamison Steel Rule Die Inc
- Jason Tool Co
- Jay Braxton Co
- JDS Tool & Die Co
- Jeanson Machining & Design
- Jefferson Industrial Tech
- Jeffrey Tool & Mold
- Jem Tool & Die Corp
- Jems
- Jena Tool Corp
- Jenner Manufacturing
- Jergens Industrial Supply
- Jewelry Tool & Die Co
- Jinkins Wire EDM
- JIT Tool & Die
- JIT Tooling
- JJF Design Inc
- JJF Design Inc
- JMC Tool & Die
- JMK Tool & Die Inc
- Joe Grant
- John Pawlaczyk
- John Skinner Tool Co
- Johnson Tool
- Johnston-Dorsey Tool Inc
- Jones Enterprise
- Jonesboro Tool & Die
- Jordan Manufacturing LLC
- Jostens
- Journeymen Tool & Technologies
- K & D Plastics Inc
- K & D Tool & Die
- K & K Tool & Die Co
- K & L Die Mfg Inc
- K & L Tooling Inc
- K & S Tool & Die Corp
- K & U Enterprises Inc
- K B Cook
- K B Cook Co
- K B Cook Co
- K B Tool & Dye Inc
- K C Steel Rule Die Inc
- K H Tool & Die
- K I Machine Tool & Production
- K K Tool Co
- K P Precision Tool & Machine
- K Y Industries Inc
- K-Mc Tool & Die
- Kaiser Tool & Die
- Kajco Tool Co
- Kal Tool & Die Co
- Kam Inc Tool & Die
- KAM Tool & Die
- Kam Tool & Mold
- Kam Tool & Mold
- KARR Unlimited Inc
- Karston Manufacturing LLC
- KAZZ Mold
- KBK Engineering
- Keck & Schmidt Tool & Die Shop
- Keen Tool & Die Co
- Keenan Corp
- Kegher Tool & Die
- Kelco Tool & Die Inc
- Kelco Tool & Die Inc
- Kelco Tool & Die Inc
- Kelco Tool & Die Inc
- Kelcor Machine & Tool
- Keller Tool
- Kelsay Tool & Die Inc
- Ken's Tool Works
- Ken-Tronics Inc
- Kenmode Tool & Engineering Inc
- Kenmode Tool & Engineering Inc
- Kenmode Tool & Engineering Inc
- Kenmode Tool & Engineering Inc
- Kenosha Tool & Engineering Co
- Kent Tool & Die
- Kent Tool & Die
- Kentucky Steel & Equipment
- Kenzon
- KERN Industries
- KERN Industries
- Kesemann Tool & Die
- Keys Machine & Tool Co
- Keys Machine & Tool Co
- Keystone Tool & Die
- KGM Precision Corp
- Kimastle Corp
- Kimbeeco
- Kimbeeco
- King Industrial Corp
- Kinney Tool & Machine
- Kinyon Tool Inc
- Kirca Precision
- Kirtech Enterprises Inc
- Klein Tool
- Kline Tool & Engineering
- Knuth Machine & Tool Corp
- Kohlmann Tool & Design
- Kondo Engineering
- Koppy Corp
- Koppy Corp
- Kordenbrock Tool & Die Co
- Kosmos Tool Inc
- Kosmos Tool Inc
- Kosmos Tool Inc
- KPS Tool & Die Inc
- KRAV Precision Tool & Die Corp
- Krieger Precision Grinding
- Krimm Machine Co
- Krukemeier Machine & Tool Co
- Kuhn Tool & Die
- Kurtz Tool & Die Co
- Kusber Enterprises
- KX4 Machine & Tool
- KYM Technologies
- L & A Tool & Die Inc
- L & L Engineering Co
- L & L Tool Co
- L & M Tool & Die Works
- L & M Tool & Die Works
- L & S Precision Tools Mfg
- L & S Tools Inc
- L & W Tool & Die
- L & Z Tool & Engineering Inc
- L S Machining
- L S Machining
- L S Precision Tool & Die Inc
- Lab Tool & Engineering Corp
- Lafayette Tool & Die Inc
- Laganke & Sons Stamping Co
- Lago Tool & Machining
- Lago Tool & Machining
- Lahm Tool
- Lake Affect Tool Inc
- Lake Tool & Die
- Lakes Precision
- Lancer Tool Co
- Lancer Tool Co
- Landco Engineering
- Lane Tool & Mfg
- Larose Tool Co Inc
- Larry Leither Steel Rule Dies
- Larson Steel Rule Die Co
- Larson Steel Rule Die Co
- Laser Finishing Inc
- Lasmet Tool & Die Co
- Last Word Tool Die & Jig Corp
- LCG Machine & Tool
- Leader Tool & Machine
- Leader Tool Co
- Lear Manufacturing Co
- Ledford Engineering Co
- Ledge Tooling
- Legacy Mold & Tool
- Legend Inc
- Lenhardt Tool & Die Co
- Lenhardt Tool & Die Co
- Lenmar Tool & Die Co
- Lenz Tool Co
- Leoma Tool & Die
- Lesco Tool & Die Co
- Lesco Tool & Die Co
- Letsch Manufacturing Inc
- Leward Tool Inc
- Lewis Tool & Die
- Lex Tooling
- LFN Precision Tooling
- Lh Carbide
- Liberty Machine Tool & Die Inc
- Liberty Tool & Die Inc
- Liberty Tool & Engineering Inc
- Linal Tool & Engineering
- Lincoln Tool & Die Inc
- Lincoln Tool Inc
- Linden Machine & Tool
- Line Tool & Machine
- Link Tool & Die
- Lion Tool & Die Co
- Lion Tool & Die Co
- LIT Industries
- Livingston Tool & Mfg
- Livingston Tool & Mfg
- Logic Tool & Die
- Long Handle Tool Components
- Long Handle Tool Components
- Lowry Tool & Die Inc
- LTD Enterprises
- Luebbers Tool & Die Co
- Lumpkin Tool & Die Co
- Lunar Industries Inc
- Lutco Inc
- Lutco Inc
- Luxco
- Lyon's Custom Tooling
- Lyons Tool & Engineering Inc
- M & D Tool & Die
- M & E Tool & Die Inc
- M & F Machine & Tool
- M & L Machine Tool & Mfg Inc
- M & M Dies Inc
- M & M Machines
- M & M Tool & Mold Inc
- M & M Tooling
- M & M Tooling
- M C Machine & Tool Inc
- M D Tool & Die
- M G Machining
- M J Machining
- M S Willett Inc
- M W Washburn Co
- M-1 Tool Works Inc
- M-1 Tool Works Inc
- Mace Tool LLC
- Macek Industries
- Machine Shop
- Machine Tool & Fabrication Inc
- Machine Tool Co
- Machine Tooling Inc
- Maciolek Tool & Die
- Macomb Tool & Mfg Co
- Macon Manufacturing Co
- Macon Tool & Die
- Maddox Industries Inc
- Made
- Madison Tool & Die
- Madison Tool & Die Inc
- Maghye Tooling
- Magjes Tool Inc
- Magjes Tool Inc
- Magna Tool Corp
- Magnolia State Die
- Magnolia State Die
- Magnolia Toolin
- Magnum International
- Magnum International
- Maine Tool & Machine Co
- Majestic Mold & Tool Inc
- Mangas Tool & Die
- Mann's Tool Specialties
- Manson Manufacturing
- Mantz Automation Inc
- Mantz Automation Inc
- Manufacturer's Tool & Die Co
- Map Limited
- Map Limited
- Mar-Con Tool Co
- Mar-Vel Tool Co
- Marcussen Tool & Die Inc
- Mardeco Mold Tooling Inc
- Marex Tool & Machine
- Marine Tooling Technology
- Mark Concepts Inc
- Mark Engineering Co
- Mark Tool & Die Co
- Mark Tool & Die Co
- Mark Tool & Die Co
- Martec Industries
- Martin Tool Co
- Martin-Palmer Tool & Die Corp
- Mason Tool & Gage Inc
- Mason Tool & Gage Inc
- Master Craft Die Co
- Master Die
- Master Kraft Tooling Corp
- Master Mechanics & Mfg Inc
- Master Mechanics & Mfg Inc
- Master Model & Fixture
- Master Mold
- Master Mold
- Master Tool & Die
- Master Tool & Machine Inc
- Master Tool & Machine LLC
- Master Tool Co
- Matrix Engineering Inc
- Matrix Tool & Mold Inc
- Mattson Tool & Die Corp
- Maurer Tool
- Maverick Mold & Tool Inc
