US Factory Map

Industrial machinery manufacturers in the USA

EPA records list 7,529 active machinery makers in the US, facilities with codes for industrial, commercial and metalworking machinery and equipment. The most are in California, Michigan and Massachusetts, with 43% of the total.

Product
Industrial machinery manufacturers
Facilities
7,529
States
51
NAICS
333241 and 31 related codes
Revised
November 1, 2026

By state

States with at least 15 such facilities have their own page with the facility list.

StateFacilitiesShare
California2,33131.0%
Michigan5597.4%
Massachusetts3284.4%
Pennsylvania3234.3%
Ohio2903.9%
Illinois2693.6%
Wisconsin2343.1%
Texas2052.7%
Florida2042.7%
New York1642.2%
North Carolina1642.2%
Missouri1562.1%
Minnesota1542.0%
Louisiana1532.0%
Indiana1411.9%
South Carolina1271.7%
Tennessee1241.6%
Kansas1231.6%
Iowa1211.6%
Virginia1141.5%
Alabama1011.3%
Oklahoma951.3%
New Jersey931.2%
Georgia911.2%
Washington861.1%
Kentucky801.1%
Colorado650.9%
Arkansas620.8%
Oregon620.8%
Mississippi600.8%
New Hampshire600.8%
Maryland530.7%
Nebraska500.7%
Connecticut470.6%
Arizona340.5%
South Dakota270.4%
West Virginia250.3%
Utah230.3%
Rhode Island220.3%
Vermont220.3%
Maine150.2%
Nevada150.2%
Idaho100.1%
Montana100.1%
New Mexico100.1%
Delaware90.1%
North Dakota80.1%
Wyoming40.1%
Alaska30.0%
Hawaii20.0%
District of Columbia10.0%

EPA ECHO active facilities listing NAICS 333241, 333242, 333243, 333248, 333249, 333310, 333318, 333413, 333414, 333415, 333511, 333514, 333515, 333517, 333519, 333611, 333612, 333613, 333618, 333912, 333914, 333921, 333922, 333923, 333924, 333991, 333992, 333993, 333994, 333995, 333996, 333998. Codes are reported by facilities and not checked here. How these records work.

Biggest clusters

  • Los Angeles, CA: 84
  • San Jose, CA: 77
  • San Diego, CA: 63
  • Santa Fe Springs, CA: 46
  • Fremont, CA: 45
  • Houston, TX: 45
  • Sacramento, CA: 43
  • Grand Rapids, MI: 30

Codes counted

  • Food Product Machinery Manufacturing (NAICS 333241)
  • Semiconductor Machinery Manufacturing (NAICS 333242)
  • Sawmill, Woodworking, and Paper Machinery Manufacturing (NAICS 333243)
  • All Other Industrial Machinery Manufacturing (NAICS 333248)
  • Other Industrial Machinery Manufacturing (NAICS 333249)
  • Commercial and Service Industry Machinery Manufacturing (NAICS 333310)
  • Other Commercial and Service Industry Machinery Manufacturing (NAICS 333318)
  • Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (NAICS 333413)
  • Heating Equipment (except Warm Air Furnaces) Manufacturing (NAICS 333414)
  • Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (NAICS 333415)
  • Industrial Mold Manufacturing (NAICS 333511)
  • Special Die and Tool, Die Set, Jig, and Fixture Manufacturing (NAICS 333514)
  • Cutting Tool and Machine Tool Accessory Manufacturing (NAICS 333515)
  • Machine Tool Manufacturing (NAICS 333517)
  • Rolling Mill and Other Metalworking Machinery Manufacturing (NAICS 333519)
  • Turbine and Turbine Generator Set Units Manufacturing (NAICS 333611)
  • Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (NAICS 333612)
  • Mechanical Power Transmission Equipment Manufacturing (NAICS 333613)
  • Other Engine Equipment Manufacturing (NAICS 333618)
  • Air and Gas Compressor Manufacturing (NAICS 333912)
  • Measuring, Dispensing, and Other Pumping Equipment Manufacturing (NAICS 333914)
  • Elevator and Moving Stairway Manufacturing (NAICS 333921)
  • Conveyor and Conveying Equipment Manufacturing (NAICS 333922)
  • Overhead Traveling Crane, Hoist, and Monorail System Manufacturing (NAICS 333923)
  • Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing (NAICS 333924)
  • Power-Driven Handtool Manufacturing (NAICS 333991)
  • Welding and Soldering Equipment Manufacturing (NAICS 333992)
  • Packaging Machinery Manufacturing (NAICS 333993)
  • Industrial Process Furnace and Oven Manufacturing (NAICS 333994)
  • Fluid Power Cylinder and Actuator Manufacturing (NAICS 333995)
  • Fluid Power Pump and Motor Manufacturing (NAICS 333996)
  • All Other Miscellaneous General Purpose Machinery Manufacturing (NAICS 333998)

This sits inside machinery manufacturing, which has 21,668 establishments and 1,086,146 jobs (Census, 2023). See the industry.