| IPIntegrity Processing LLC | Barberton | OH | — | ◇ UNVERIFIED |
| ISIntegrity Sales Network, LLC | Gaylord | MI | — | ◇ UNVERIFIED |
 Integrity Welding & Fabrication, INC. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| IMIntelligent Machine Solutions INC | Norton Shores | MI | — | ◇ UNVERIFIED |
| IPIntelligent Processes and Automation, Inc. | Oakbrook Terrace | IL | — | ◇ UNVERIFIED |
| ITIntelligent Tool CORP. | Mooresville | NC | — | ◇ UNVERIFIED |
| ISIntelligrated Sources, LLC | Montgomery | NY | — | ◇ UNVERIFIED |
| IIIntellimetal, INC. | Rochester | NY | — | ◇ UNVERIFIED |
| ISIntellimold System | Troy | MI | — | ◇ UNVERIFIED |
| IMIntell Metal Finishing | San Jose | CA | — | ◇ UNVERIFIED |
 Inteplast Group, Limited | Morrow | GA | — | ◇ UNVERIFIED |
| Inteplast Group, LTD. | Lolita | TX | — | ◇ UNVERIFIED |
| IAInter American Oil Works INC. | Odessa | TX | — | ◇ UNVERIFIED |
| ICInter-city Contracting, INC | Coventry | RI | — | ◇ UNVERIFIED |
| INIntercontinental Nail Products Dba Klue Plastics INC | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| ITIntercontinental Truck Body, INC | Conrad | MT | — | ◇ UNVERIFIED |
| ICInterface Catheter Solutions | Laguna Niguel | CA | — | ◇ UNVERIFIED |
| ICInterface Catheter Solutions Dba Confluent Medical Technologies | Laguna Niguel | CA | — | ◇ UNVERIFIED |
| IDIntergraded Design Engineering and Analysis Services, INC. | North Canton | OH | — | ◇ UNVERIFIED |
 Interior Services and Design | Fresno | CA | — | ◇ UNVERIFIED |
| IIInterlock Industries, INC. | Independence | MO | — | ◇ UNVERIFIED |
| IGIntermetallic Group, LLC | Houston | TX | — | ◇ UNVERIFIED |
| ICIntermountain Concrete Specialties | Idaho Falls | ID | — | ◇ UNVERIFIED |
| ISIntermountain Superform INC | American Fork | UT | — | ◇ UNVERIFIED |
| IAInternational Automotive Components Group | Southfield | MI | — | ◇ UNVERIFIED |
| ICInternational Custom Controls | Tulsa | OK | — | ◇ UNVERIFIED |
| IEInternational Equipment Solutions | Akron | OH | — | ◇ UNVERIFIED |
| IFInternational Foundry Tooling, INC. | El Paso | TX | — | ◇ UNVERIFIED |
| IMInternational Machine & Tool INC | Hendersonville | TN | — | ◇ UNVERIFIED |
| IMInternational Manufacturers Representatives | Baton Rouge | LA | — | ◇ UNVERIFIED |
 International Mold and Production LLC | Kenosha | WI | — | ◇ UNVERIFIED |
| ISInternational Steel Service Corporation | Los Angeles | CA | — | ◇ UNVERIFIED |
| ISInternational Steel Service Corporation | Compton | CA | — | ◇ UNVERIFIED |
| ITInternational Titanium Corporation | New Brighton | PA | — | ◇ UNVERIFIED |
| ITInternational Tool, INC. | Trempealeau | WI | — | ◇ UNVERIFIED |
| I5Interstate 5 North Corridor Phase 1 Seg 8 Wetland CO | Cardiff By the Sea | CA | — | ◇ UNVERIFIED |
| IMInterstate Machine Works | Ringgold | GA | — | ◇ UNVERIFIED |
| IMInterstate Manufacturing INC | Portland | OR | — | ◇ UNVERIFIED |
| IPInterstate Plastics | Austin | TX | — | ◇ UNVERIFIED |
| ITInterstate Tool Corp | Cleveland | OH | — | ◇ UNVERIFIED |
| IMIntex Millwork Solutions | Mays Landing | NJ | — | ◇ UNVERIFIED |
| IAIntl Automotive Group North America Components | Sterling Heights | MI | — | ◇ UNVERIFIED |
| IRIntl Resource Consultants | Saint George | UT | — | ◇ UNVERIFIED |
 Intrepid Industries, INC. | Lebanon | NJ | — | ◇ UNVERIFIED |
| IMIntricate Manufacturing Company | Lynchburg | VA | — | ◇ UNVERIFIED |
| ICIntricon Corporation | Saint Paul | MN | — | ◇ UNVERIFIED |
| IRInvacare Respiratory Prods Group | Sanford | FL | — | ◇ UNVERIFIED |
| IPInvalid Portable Geo-blaster | Sheridan | WY | — | ◇ UNVERIFIED |
| ICInvensys Climate Controls | Long Beach | CA | — | ◇ UNVERIFIED |
| IIInventitives INC | Buffalo | MN | — | ◇ UNVERIFIED |
