| HAH and P Industries INC. | Mukwonago | WI | — | ◇ UNVERIFIED |
| HBHandy Button Machine CO | Melrose Park | IL | — | ◇ UNVERIFIED |
| HMHansen Manufacturing Dba Hi-roller Conveyors | Sioux Falls | SD | — | ◇ UNVERIFIED |
| HPHarberts Products INC | Greencastle | PA | — | ◇ UNVERIFIED |
| HFHarbor Freight Tools USA INC #2919 | Buckhannon | WV | — | ◇ UNVERIFIED |
| HCHardie-tynes Co., INC | Birmingham | AL | — | ◇ UNVERIFIED |
 Hardric Laboratories | Chelmsford | MA | — | ◇ UNVERIFIED |
| HHHardy Harvester | College City | CA | — | ◇ UNVERIFIED |
| HWHarold Wood CO | Buffalo | NY | — | ◇ UNVERIFIED |
| HRHarris Rebar Auburn | Auburn | WA | — | ◇ UNVERIFIED |
| HRHarris Rebar - Birmingham | Riverside | AL | — | ◇ UNVERIFIED |
 Harsh International (was Hydraulics Unl) | Eaton | CO | — | ◇ UNVERIFIED |
| HSHartford Standard CORP | Hartford | KY | — | ◇ UNVERIFIED |
| HPHartland Planing Mill CO | Clarksburg | WV | — | ◇ UNVERIFIED |
| HSHassay Savage | Turners Falls | MA | — | ◇ UNVERIFIED |
| HWHasse & Wrede North America | North Aurora | IL | — | ◇ UNVERIFIED |
| HSHavens Steel Company | Kansas City | MO | — | ◇ UNVERIFIED |
| HSHayes & Stolz Industrial Manufacturing Co., LLC | Burleson | TX | — | ◇ UNVERIFIED |
| HIHb Ives | New Haven | CT | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD | Hyattsville | MD | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD (fl117a-6413) | Sarasota | FL | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply, LTD Wc043 | Fort Collins | CO | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD Wc251 | Miami | FL | — | ◇ UNVERIFIED |
| HMHead Manufacturing INC | South Elgin | IL | — | ◇ UNVERIFIED |
| HAHealy Awards INC | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| HSHearthstone Stoves | Morristown | VT | — | ◇ UNVERIFIED |
| HEHeartland Engineered Products LLC | Harrison | OH | — | ◇ UNVERIFIED |
| HSHeartland Steel Products West, LLC LP | Lodi | CA | — | ◇ UNVERIFIED |
| HOHeart of Dixie Machine & Fab | Talladega | AL | — | ◇ UNVERIFIED |
| HSHeckert Systems LLC | Kansas City | MO | — | ◇ UNVERIFIED |
| HIHelgesen Industries INC | Hartford | WI | — | ◇ UNVERIFIED |
| HLHemphill LLC | Tulsa | OK | — | ◇ UNVERIFIED |
 Hendrick Manufacturing CO | Carbondale | PA | — | ◇ UNVERIFIED |
| HPHenefelt Precision Products, INC | Largo | FL | — | ◇ UNVERIFIED |
| HSHerron Steel CO INC | Tallahassee | FL | — | ◇ UNVERIFIED |
| HCHerr-voss Corporation-office Basement | Callery | PA | — | ◇ UNVERIFIED |
| HCHertz Corporation | San Francisco | CA | — | ◇ UNVERIFIED |
| HCHexpol Compounding Burton Rubber Processing | Jonesborough | TN | — | ◇ UNVERIFIED |
| HHH & H Fabricators INC | Warrior | AL | — | ◇ UNVERIFIED |
| HHH & H Farm Products Manufacturing | Bolivar | MO | — | ◇ UNVERIFIED |
| HCHigh Country Millwork, LLC | Boulder | CO | — | ◇ UNVERIFIED |
| HMHighland Machine and Screw Product CO | Highland | IL | — | ◇ UNVERIFIED |
| HSHighway Systems Incorporated | Sumterville | FL | — | ◇ UNVERIFIED |
| HHHired Hand Green | Bremen | AL | — | ◇ UNVERIFIED |
| HRHi Roller Conveyors | Sioux Falls | SD | — | ◇ UNVERIFIED |
| HMHispanic Mfg / Gonzalez Mfg | Detroit | MI | — | ◇ UNVERIFIED |
| HMHitachi Magnetics CORP | Edmore | MI | — | ◇ UNVERIFIED |
| HMHitech Metal Fabrication | Anaheim | CA | — | ◇ UNVERIFIED |
| HTHi Tecmetal, INC. Bmt (1318007817) | Cleveland | OH | — | ◇ UNVERIFIED |
| HRHi-tek Rubber INC - Ogilvie | Ogilvie | MN | — | ◇ UNVERIFIED |
| HFHl Fisher Mfg CO INC | Des Plaines | IL | — | ◇ UNVERIFIED |
| HLH & L Tool-madison Hgts | Madison Heights | MI | — | ◇ UNVERIFIED |
| HDHm Dunn | Euless | TX | — | ◇ UNVERIFIED |
| HGHme Global LLC - Fusionone | New Iberia | LA | — | ◇ UNVERIFIED |
| HLHn Lucas & Son | Delran Twp | NJ | — | ◇ UNVERIFIED |
| HNHoffman New Yorker/dushore Facility | Dushore | PA | — | ◇ UNVERIFIED |
| HBHokes Bluff Welding & Fab | Hokes Bluff | AL | — | ◇ UNVERIFIED |
| HFHold’em Fence CO LLC | Council Grove | KS | — | ◇ UNVERIFIED |
| HNHolland Nameplate | North Kansas City | MO | — | ◇ UNVERIFIED |
| HMHol Mac Corporation, South | Bay Springs | MS | — | ◇ UNVERIFIED |
| HMHoltec Manufacturing | Turtle Creek | PA | — | ◇ UNVERIFIED |
| HHHomerwood Hardwood Flooring/titusville | Titusville | PA | — | ◇ UNVERIFIED |
| HSHomestead Sheet Metal | Spring Valley | CA | — | ◇ UNVERIFIED |
| HHHoosier Horse Trailers, LLC | Syracuse | IN | — | ◇ UNVERIFIED |
| HSHoosier Stamping | Evansville | IN | — | ◇ UNVERIFIED |
| HCHoover Conveyor & Fab/meyersdale | Meyersdale | PA | — | ◇ UNVERIFIED |
| HCHoover Conveyor & Fabrication CORP | Meyersdale | PA | — | ◇ UNVERIFIED |
| HIHospira INC | Ashland | OH | — | ◇ UNVERIFIED |
| HIHouma Industries Division of Lor | Harvey | LA | — | ◇ UNVERIFIED |
| HPHouston Plant | Houston | TX | — | ◇ UNVERIFIED |
| HPH Parsons INC | Lenoir | NC | — | ◇ UNVERIFIED |
| HAH&r Agri-power Mayfield | Mayfield | KY | — | ◇ UNVERIFIED |
| HAHs Automotive of Alabama, INC | Enterprise | AL | — | ◇ UNVERIFIED |
| HEH&s Enterprises INC | Monrovia | CA | — | ◇ UNVERIFIED |
| HSH & S Machine Shop | Hurricane | UT | — | ◇ UNVERIFIED |
| HTH T C INC | Milford | IA | — | ◇ UNVERIFIED |
| HPHuhtamaki Plastics Phoenix | Phoenix | AZ | — | ◇ UNVERIFIED |
| HLHull Lift Truck INC | Elkhart | IN | — | ◇ UNVERIFIED |
| HMHumane Mfg | Genoa | IL | — | ◇ UNVERIFIED |
| HSHunters Specialties INC | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| HFHuntington Foam Llc/brockway | Brockway | PA | — | ◇ UNVERIFIED |
| HYHunt Yachts | Bristol | RI | — | ◇ UNVERIFIED |
| HOHusqvarna Outdoor Products | Orangeburg | SC | — | ◇ UNVERIFIED |
| HEHuss Equipment CORP. | Bowling Green | OH | — | ◇ UNVERIFIED |
| HCHustler Conveyor Company | Saint Charles | MO | — | ◇ UNVERIFIED |
| HIHydra-mac INC | Thief River Falls | MN | — | ◇ UNVERIFIED |
| HIHyload, INC. | Wadsworth | OH | — | ◇ UNVERIFIED |
| HMHypar Machine Company, Richwood | Richwood | WV | — | ◇ UNVERIFIED |
| HCHytrol Conveyor Company, INC. | Fort Smith | AR | — | ◇ UNVERIFIED |
| IAI & a Inc., Dba Peninsula Metal Fabrication | San Jose | CA | — | ◇ UNVERIFIED |
| IIcbiomedical | Cartersville | GA | — | ◇ UNVERIFIED |
| IMIce Manufacturing INC | Oelwein | IA | — | ◇ UNVERIFIED |
| IMId Machine Incorporated | Malden | MA | — | ◇ UNVERIFIED |
| IIIkg Industries | Nashville | TN | — | ◇ UNVERIFIED |
| IUIkg USA | Sand Springs | OK | — | ◇ UNVERIFIED |
| IIIlpea Industries Inc/kane | Kane | PA | — | ◇ UNVERIFIED |
| IIImm Incorporated | Grayling | MI | — | ◇ UNVERIFIED |
| IGImperial Group-decatur | Decatur | TX | — | ◇ UNVERIFIED |
 Imperial Machine & Tool CO LLC | Wadsworth | OH | — | ◇ UNVERIFIED |
| IFIms Fabrication | Salisbury | NC | — | ◇ UNVERIFIED |
