| HHewlett-packard | Garden City | ID | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| HPHewlett-packard (620-640 Page Mill Road) | Palo Alto | CA | Computer and Electronic Product Manufacturing334118 | — | ◇ UNVERIFIED |
| HCHewlett-packard CO | Fort Collins | CO | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| HPHewlett Packard CORP | Andover | MA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| HPHewlett Packard Site | Mcminnville | OR | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| HSHewlett-packard Site | Lake Stevens | WA | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| HHH H Electronics INC | Twinsburg | OH | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| HCHigh Country Tek INC | Nevada City | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| HPHisense Photonics | South Plainfield | NJ | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| HAHitachi America LTD | Greenville | SC | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| HCHitachi Computer Products INC / 1800 E Imhoff Norman | Norman | OK | Computer and Electronic Product Manufacturing334112 | — | ◇ UNVERIFIED |
| HSHmp Soldermatics INC | Canon City | CO | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| HBHobson Brothers INC | Chicago | IL | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| HTHoi Tong International INC | Santa Fe Spgs | CA | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| HMHoku Materials Site | Pocatello | ID | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| HIHologic INC | Bedford | MA | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| HDHome Depot #1285 | Deer Park | NY | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| HHoneywell | Danville | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| HAHoneywell Advanced Circuits, INC. | Roseville | MN | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| HAHoneywell Aerospace - Coon Rapids | Coon Rapids | MN | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| HCHoneywell Cabin Management Sys | Sarasota | FL | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| HHHoneywell Hobbs CORP | Spring Valley | IL | Computer and Electronic Product Manufacturing334514 | — | ◇ UNVERIFIED |
| HIHoneywell INC | Renton | WA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| HIHoneywell International, INC. | Teterboro | NJ | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| HSHoneywell Scanning and Mobility | Blackwood | NJ | Computer and Electronic Product Manufacturing334119 | — | ◇ UNVERIFIED |
| HSHoneywell Scanning & Mobility | Skaneateles Falls | NY | Computer and Electronic Product Manufacturing334119 | — | ◇ UNVERIFIED |
| HSHoneywell Security Group | Syosset | NY | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| HSHoneywell Sensing and Control | Acton | MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| HSHoneywell Sensing and Control | Pawtucket | RI | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| HSHoneywell Solid State Electronics Center | Plymouth | MN | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| HDHowland Developement Corporation | Gloucester | MA | Computer and Electronic Product Manufacturing334411 | — | ◇ UNVERIFIED |
| HEHp Enterprise Services Limited Liability | Herndon | VA | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| HCHudson Creek LLC CO | Hudson | MA | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| HIHughes Information Technology Systems | Centennial Area | CO | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| HTHunter Technology Corporation | Santa Clara | CA | Machinery Manufacturing333295 | — | ◇ UNVERIFIED |
| HTHutchinson Technology INC | Sioux Falls | SD | Computer and Electronic Product Manufacturing334000 | — | ◇ UNVERIFIED |
| HIHutson Industries INC | Frisco | TX | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| HIHybripak INC (former) | Avon | MA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| HSHynix Semiconductor Manufacturing Site | Eugene | OR | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| HGHytel Group | Elgin | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| IEI3 Electronics INC | Endicott | NY | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| IIbm | Kingston | NY | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| ICIbm CORP | San Jose | CA | Computer and Electronic Product Manufacturing334112 | — | ◇ UNVERIFIED |
| ICIbm Corporation | Gaithersburg | MD | Computer and Electronic Product Manufacturing334113 | — | ◇ UNVERIFIED |
| ICIbm Corporation | Endicott | NY | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| IRIbm Research Div Almaden Research | San Jose | CA | Computer and Electronic Product Manufacturing334112 | — | ◇ UNVERIFIED |
| IAIdd Aerospace Corporation | Redmond | WA | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| IFIdeal Fab - 36 Thornwood Dr | Ithaca | NY | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| IEIec Electronics CORP | Newark | NY | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| IIIllumina INC | San Diego | CA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
