Harvard Bioscience INC | Holliston | MA | — | ● ACTIVE |
| HIHaskel International, LLC | Burbank | CA | 100–499 | ● ACTIVE |
Haskris CO | Elmhurst | IL | 100–499 | ● ACTIVE |
Hastreiter Industries CORP. | Marshfield | WI | 20–99 | ● ACTIVE |
| HMHaven Manufacturing | Ossian | IN | 20–99 | ● ACTIVE |
Havtech, LLC | Columbia | MD | — | ● ACTIVE |
Hayden CORP | West Springfield | MA | — | ● ACTIVE |
Hayden Medical INC | Valencia | CA | — | ● ACTIVE |
Haztech Systems, INC. | Mariposa | CA | — | ● ACTIVE |
H.b. Fuller Company | Troy | MI | — | ● ACTIVE |
Hci Cleaning Products LLC | Hollis | NH | — | ● ACTIVE |
Hdms LLC | Gainesville | GA | — | ● ACTIVE |
Hdt Expeditionary Systems INC | Florence | KY | — | ● ACTIVE |
Headwall Photonics INC | Bolton | MA | — | ● ACTIVE |
Healthlight LLC | Jupiter | FL | — | ● ACTIVE |
Heartland Auto Electric, INC | Princeton | MN | — | ● ACTIVE |
| HSHeat Sensor Technologie LLC | Lebanon | OH | 20–99 | ● ACTIVE |
| HTHeckel Tool & Manufacturing CORP | Eagle | WI | — | ● ACTIVE |
| HTHelicopter Technology CORP | Los Angeles | CA | — | ● ACTIVE |
Hello Heart INC. | Menlo Park | CA | — | ● ACTIVE |
| HSHelmer Scientific LLC | Noblesville | IN | — | ● ACTIVE |
Hemerus Medical LLC | Saint Paul | MN | — | ● ACTIVE |
Hemosonics, LLC | Durham | NC | — | ● ACTIVE |
Henderson Machine, INC | Deerfield Beach | FL | — | ● ACTIVE |
Henkel Corporation | Delaware | OH | — | ● ACTIVE |
Henry Technologies, INC. | Chatham | IL | — | ● ACTIVE |
Hercules Custom Iron, LLC | Walkersville | MD | 20–99 | ● ACTIVE |
| HFHeritage Fabrication INC | Sedalia | MO | 1–19 | ● ACTIVE |
Herold Precision Metals, LLC | White Bear Lake | MN | — | ● ACTIVE |
Hexcel CORP | Salt Lake City | UT | — | ● ACTIVE |
High Precision Grinding & Machining, INC. | El Cajon | CA | — | ● ACTIVE |
Highres Biosolutions, INC. | Beverly | MA | — | ● ACTIVE |
Highridge Medical, LLC | Westminster | CO | — | ● ACTIVE |
High Speed Cnc | Santa Clara | CA | — | ● ACTIVE |
High Tech Machine Ii CO Limited | Houston | TX | 20–99 | ● ACTIVE |
| HTHigh Temperature Superconductors, INC. | Santa Barbara | CA | — | ● ACTIVE |
Highway Machine Co., INC. | Princeton | IN | — | ● ACTIVE |
| HPHi-line Plastics, INC. | Olathe | KS | 20–99 | ● ACTIVE |
Hilltop Technology Laboratory, INC. | Irvine | CA | — | ● ACTIVE |
Hilman, INC. | Marlboro | NJ | 20–99 | ● ACTIVE |
| HIHirsh Industries INC | Dover | DE | 100–499 | ● ACTIVE |
Hirsh Precision Products, INC | Frederick | CO | — | ● ACTIVE |
| HCHi-shear Corporation | Torrance | CA | — | ● ACTIVE |
Histosonics INC | Minneapolis | MN | — | ● ACTIVE |
Hi-tech Metals, INC. | Bellingham | MA | — | ● ACTIVE |
Hitec Sensor Developments, INC. | Chelmsford | MA | — | ● ACTIVE |
Hitemco LLC | Old Bethpage | NY | 100–499 | ● ACTIVE |
Hk Surgical INC. | San Clemente | CA | — | ● ACTIVE |
Hmdmd INC | Solana Beach | CA | — | ● ACTIVE |
Hme INC | Topeka | KS | — | ● ACTIVE |
Hnm Medical, LLC | Miami | FL | — | ● ACTIVE |
Hobbs Medical, INC. | Stafford Springs | CT | — | ● ACTIVE |
| HBH.o. Bostrom Company, INC. | Waukesha | WI | — | ● ACTIVE |
Hoefner Corporation | South El Monte | CA | — | ● ACTIVE |
| HEHoffman Enclosures INC | Anoka | MN | — | ● ACTIVE |
Hoffman Engineering, LLC | Stamford | CT | — | ● ACTIVE |
Hoggan Scientific LLC | Salt Lake City | UT | — | ● ACTIVE |
Hogue, INC. | Paso Robles | CA | — | ● ACTIVE |
Hollaender Manufacturing CO | Cincinnati | OH | 20–99 | ● ACTIVE |
| HPHomeyer Precision Manufacturing CO. | Marthasville | MO | 20–99 | ● ACTIVE |
Honeycutt Manufacturing INC | Mukilteo | WA | — | ● ACTIVE |
| HAHoneywell Analytics INC. | Lincolnshire | IL | 100–499 | ● ACTIVE |
Hoppe Technologies, INC | Chicopee | MA | 20–99 | ● ACTIVE |
Horiba Instruments Incorporated | Piscataway | NJ | 100–499 | ● ACTIVE |
Horizon Aviation & Machining, INC. | Surprise | AZ | — | ● ACTIVE |
Horizons Incorporated | Cleveland | OH | — | ● ACTIVE |
Horizon Systems Machining INC | Kenosha | WI | 20–99 | ● ACTIVE |
Horizon Tech Industries, INC. | Fort Worth | TX | 20–99 | ● ACTIVE |
Horn Machine Tools, INC. | Madera | CA | — | ● ACTIVE |
Horschel Brothers Precision LLC | Springville | NY | 100–499 | ● ACTIVE |
Hose Master, LLC | Euclid | OH | — | ● ACTIVE |
Hot Metal Fab LLC | Loomis | CA | — | ● ACTIVE |
Hougen Manufacturing, INC | Swartz Creek | MI | — | ● ACTIVE |
House of Plastics Unlimited INC | Orlando | FL | — | ● ACTIVE |
Howell Laboratories, INC. | Gorham | ME | 1–19 | ● ACTIVE |
Howmedica Osteonics CORP | Mahwah | NJ | — | ● ACTIVE |
| HGHowmet Global Fastening Systems INC | Fullerton | CA | 500+ | ● ACTIVE |
| HPH. P. Machine and Engineering, INC. | San Jose | CA | — | ● ACTIVE |
Hps Fabrications INC | Wyandotte | MI | — | ● ACTIVE |
Hr Pharmaceuticals INC. | York | PA | 100–499 | ● ACTIVE |
H & S Tool and Engineering, INC. | Fall River | MA | 20–99 | ● ACTIVE |
Hts Coatings LLC | Madison | IL | — | ● ACTIVE |
Hubbard-hall INC. | Waterbury | CT | 20–99 | ● ACTIVE |
| HLHubbell Lenoir City, INC. | Rocky Mount | NC | 100–499 | ● ACTIVE |
Hubbell Machine CO INC | Paso Robles | CA | — | ● ACTIVE |
Hubly INC. | Lisle | IL | — | ● ACTIVE |
| HIHuck International, INC | Carson | CA | 100–499 | ● ACTIVE |
Hudson Scenic Studio INC. | Yonkers | NY | — | ● ACTIVE |
Huffman Welding & Machine, INC. | Fort Madison | IA | 20–99 | ● ACTIVE |
Hughes Machine Shop, INC | Bogalusa | LA | — | ● ACTIVE |
Hughes Ventures, INC | Garland | TX | — | ● ACTIVE |
Human Care USA INC | Austin | TX | — | ● ACTIVE |
Humble Brands, INC. | Taos | NM | 20–99 | ● ACTIVE |
| HIHummel Innovations LLC | North Royalton | OH | — | ● ACTIVE |
Huron Tool & Cutter Grinding Co., INC. | Farmingdale | NY | — | ● ACTIVE |
Hurst Construction and Fabrication, LLC | Ponca City | OK | 20–99 | ● ACTIVE |
Husky Corporation | Pacific | MO | — | ● ACTIVE |
Husky Precision, INC. | Roseville | MI | — | ● ACTIVE |
Huxley Medical, INC | Atlanta | GA | — | ● ACTIVE |
Hybrid Plastics, Incorporated | Hattiesburg | MS | — | ● ACTIVE |