| GMG M J Machine Co, INC | Wilmer | AL | — | ● ACTIVE |
Goddard Machine LLC | Wichita | KS | — | ● ACTIVE |
Goeppner Industries, INC. | Torrance | CA | — | ● ACTIVE |
Golden Manufacturing, INC. | North Fort Myers | FL | 20–99 | ● ACTIVE |
| GSGolden State Grating, INC. | San Bernardino | CA | — | ● ACTIVE |
Golis Machine Incorporated | Montrose | PA | — | ● ACTIVE |
Grace Machine Co, LLC | Berlin | CT | — | ● ACTIVE |
Gradient Design & Engineering, INC. | Leominster | MA | — | ● ACTIVE |
Graham Research INC | Minneapolis | MN | — | ● ACTIVE |
Grand Valley Manufacturing CO | Titusville | PA | — | ● ACTIVE |
| GPGranite Peak Fabrication LLC | Casper | WY | 100–499 | ● ACTIVE |
Graphite Electrodes LTD | Bay City | MI | 20–99 | ● ACTIVE |
Graycer Screw Products Co., INC. | Bellingham | MA | — | ● ACTIVE |
Great American Rolling, INC. | Downey | CA | — | ● ACTIVE |
Great Lakes Stainless, INC. | Traverse City | MI | — | ● ACTIVE |
Greenberry Industrial LLC | Vancouver | WA | — | ● ACTIVE |
Greene Machine & Manufacturing INC | Macon | GA | — | ● ACTIVE |
Greenheck Fan Corporation | Schofield | WI | — | ● ACTIVE |
Green's Metal Cut-off CORP | Santa Fe Springs | CA | — | ● ACTIVE |
| GSGreer Steel LLC | Lakewood | WA | 20–99 | ● ACTIVE |
Gretna Machine Shop, INC. | Houston | TX | 20–99 | ● ACTIVE |
Groov-pin CORP | Smithfield | RI | — | ● ACTIVE |
Group Manufacturing Services, INC. | San Jose | CA | — | ● ACTIVE |
G.s. Precision, INC. | Brattleboro | VT | — | ● ACTIVE |
G & S Precision Tool INC | Bell Gardens | CA | — | ● ACTIVE |
Gst Manufacturing, LTD. | Haltom City | TX | — | ● ACTIVE |
Gtc Machining LLC | Indianapolis | IN | 20–99 | ● ACTIVE |
Guyer Precision INC | Painesville | OH | — | ● ACTIVE |
G. V. Industries, INC | National City | CA | — | ● ACTIVE |
H4 Manufacturing LLC | Saint Louis | MO | — | ● ACTIVE |
Habco Tool & Development CO INC | Mentor | OH | 20–99 | ● ACTIVE |
Halfab, INC | Livermore | CA | — | ● ACTIVE |
Hamill Manufacturing Company | Trafford | PA | 100–499 | ● ACTIVE |
Hansen Engineering CO. | Harbor City | CA | — | ● ACTIVE |
Hanset Stainless INC | Portland | OR | — | ● ACTIVE |
Hanwha Cimarron LLC | Huntsville | AL | — | ● ACTIVE |
Hards Fabrication & Welding, INC. | Seneca | PA | 20–99 | ● ACTIVE |
| HEHardy Engineering & Manufacturing, INC. | Auburn | WA | — | ● ACTIVE |
| HIHarken INC | Pewaukee | WI | 100–499 | ● ACTIVE |
Harsh International INC | Eaton | CO | 20–99 | ● ACTIVE |
Hartmann's, INC. | Abilene | TX | — | ● ACTIVE |
Hastreiter Industries CORP. | Marshfield | WI | 20–99 | ● ACTIVE |
| HTHeckel Tool & Manufacturing CORP | Eagle | WI | — | ● ACTIVE |
Helix Linear Technologies, INC. | Beachwood | OH | 20–99 | ● ACTIVE |
Henderson Machine, INC | Deerfield Beach | FL | — | ● ACTIVE |
Hercules Custom Iron, LLC | Walkersville | MD | 20–99 | ● ACTIVE |
Herker Industries INC | Menomonee Falls | WI | — | ● ACTIVE |
| HSHibshman Screw Machine Products, INC. | Union | MI | 20–99 | ● ACTIVE |
| HTHighland Tank, LLC (Stoystown, PA) | Stoystown | PA | 100–499 | ● ACTIVE |
High Precision Grinding & Machining, INC. | El Cajon | CA | — | ● ACTIVE |
High Speed Cnc | Santa Clara | CA | — | ● ACTIVE |
High Tech Machine Ii CO Limited | Houston | TX | 20–99 | ● ACTIVE |
Highway Machine Co., INC. | Princeton | IN | — | ● ACTIVE |
Hilltop Technology Laboratory, INC. | Irvine | CA | — | ● ACTIVE |
Hi Performance Machine & Metals, INC | Lakeside | CA | — | ● ACTIVE |
Hirsh Precision Products, INC | Frederick | CO | — | ● ACTIVE |
Hoefner Corporation | South El Monte | CA | — | ● ACTIVE |
Hogin Machine, INC | Santa Ana | 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 |
Hoppe Technologies, INC | Chicopee | MA | 20–99 | ● ACTIVE |
Horizon Systems Machining INC | Kenosha | WI | 20–99 | ● ACTIVE |
Horizon Tech Industries, INC. | Fort Worth | TX | 20–99 | ● ACTIVE |
Horschel Brothers Precision LLC | Springville | NY | 100–499 | ● ACTIVE |
Hot Metal Fab LLC | Loomis | CA | — | ● ACTIVE |
Howell Laboratories, INC. | Gorham | ME | 1–19 | ● ACTIVE |
| HPH. P. Machine and Engineering, INC. | San Jose | CA | — | ● ACTIVE |
Hps Fabrications INC | Wyandotte | MI | — | ● ACTIVE |
H & S Tool and Engineering, INC. | Fall River | MA | 20–99 | ● ACTIVE |
| HIHuck International, INC | Carson | CA | 100–499 | ● ACTIVE |
Huffman Welding & Machine, INC. | Fort Madison | IA | 20–99 | ● ACTIVE |
Hughes Machine Shop, INC | Bogalusa | LA | — | ● ACTIVE |
Husky Precision, INC. | Roseville | MI | — | ● ACTIVE |
Hydrafab Northwest, INC | Spokane Valley | WA | 20–99 | ● ACTIVE |
Hydro-pac INC | Fairview | PA | 20–99 | ● ACTIVE |
Hydrotech Systems, LTD. | Cohoes | NY | — | ● ACTIVE |
Hypertherm, INC | Hanover | NH | — | ● ACTIVE |
| HLHy-production, LLC | Valley City | OH | 20–99 | ● ACTIVE |
| HMHy-speed Machining, INC. | Grants Pass | OR | — | ● ACTIVE |
| IMIcon Machine CO LLC | Irving | TX | 20–99 | ● ACTIVE |
I.m.t. Precision, INC. | Hayward | CA | — | ● ACTIVE |
Independence Precision Machining, LLC | Roseville | CA | — | ● ACTIVE |
Independence Tooling Solutions LLC | Troy | MI | — | ● ACTIVE |
| IAIndustrial Alloys INC | Indian Trail | NC | 20–99 | ● ACTIVE |
Industrial Automation INC | Seattle | WA | — | ● ACTIVE |
| IMIndustrial Maintenance Company, LLC | Gallatin | TN | 20–99 | ● ACTIVE |
Industrial Metal Fabrication, INC | Newton | KS | 20–99 | ● ACTIVE |
Industrial Motions Engineering, INC. | Wilmington | MA | — | ● ACTIVE |
Industrial Screen & Maintenance, INC. | Casper | WY | — | ● ACTIVE |
Industrial Tool & Die CO INC | Troy | NY | — | ● ACTIVE |
Infinity Edm, LLC | Jackson | WI | 20–99 | ● ACTIVE |
Infonet Corporation | Altoona | IA | 20–99 | ● ACTIVE |
Ingleside Machine Co., INC. | Farmington | NY | 20–99 | ● ACTIVE |
Inland Marine Industries INC | Hayward | CA | 100–499 | ● ACTIVE |
Innovative Machining, INC. | Forest Lake | MN | — | ● ACTIVE |
Innovative Manufacturing and Design, LLC | Greenville | SC | 20–99 | ● ACTIVE |
Insaco INC | Quakertown | PA | 20–99 | ● ACTIVE |
| IMIntegrated Metal Components, INC | Tualatin | OR | 20–99 | ● ACTIVE |
| IIIntellicut Incorporated | Middleton | MA | — | ● ACTIVE |