| IImageworks | Ashland | VA | — | ◇ UNVERIFIED |
| ICImagigraphics Corporation Dba Image 360 Woodbury | Saint Paul | MN | — | ◇ UNVERIFIED |
| ITImagine That! Unlimited Dba Charlaine Architectural Signage | San Diego | CA | — | ◇ UNVERIFIED |
| ITImagine That Workshop LLC | Downey | CA | — | ◇ UNVERIFIED |
| IBImaging By Maya LLC | Matteson | IL | — | ◇ UNVERIFIED |
| ISImagin Studios LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| ISImpact Signs INC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| IHImperial Hardwood Company | San Diego | CA | — | ◇ UNVERIFIED |
| ILImperial Lighting Maintenance Company | Oak Lawn | IL | — | ◇ UNVERIFIED |
| ISImperial Shade & Venetian Blind CO INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| IMImpressions Marketing Group, INC. | Washington | NC | — | ◇ UNVERIFIED |
| I2Imtec - 2000 | Pomona | CA | — | ◇ UNVERIFIED |
| IBIncremental Business Solutions LLC | Chesapeake | VA | — | ◇ UNVERIFIED |
| IBIncremental Business Solutions LLC | Greenville | NC | — | ◇ UNVERIFIED |
| ISIndee Source | Murrieta | CA | — | ◇ UNVERIFIED |
| IEIndependent Exhibit Services, Inc. | Westland | MI | — | ◇ UNVERIFIED |
| IDIndustrial Design System Inc. | Ontario | CA | — | ◇ UNVERIFIED |
| IGIndustrial Graphics Corporation | Chicago | IL | — | ◇ UNVERIFIED |
| IMIndustrial Machine Works INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| ISIndustrial Signs | Metairie | LA | — | ◇ UNVERIFIED |
| ISIndustrial Signs & Neon | Oklahoma City | OK | — | ◇ UNVERIFIED |
| ITIndustrial Timber INC | Cleveland | TN | — | ◇ UNVERIFIED |
| ITIndustrial Timber, INC. | Taylorsville | NC | — | ◇ UNVERIFIED |
| ISIndustry Signs | Shavano Park | TX | — | ◇ UNVERIFIED |
| ISInertia Surf INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| IIInex Image LLC. | Gainesville | GA | — | ◇ UNVERIFIED |
| IAInk and Press, LLC | Douglasville | GA | — | ◇ UNVERIFIED |
| IOInk Outside the Box Incorporated | Hampton | NH | — | ◇ UNVERIFIED |
| IGInkwell Graphix | Watertown | NY | — | ◇ UNVERIFIED |
| ISInland Showcase & Fixture CO I | Fresno | CA | — | ◇ UNVERIFIED |
| IGInnomark Group LLC | Toledo | OH | — | ◇ UNVERIFIED |
| IEInnovation Exibits | Boardman | OH | — | ◇ UNVERIFIED |
| IDInnovative Design Concepts of Utah INC | North Salt Lake | UT | — | ◇ UNVERIFIED |
| IDInnovative Display & Design, Inc. | Milford | CT | — | ◇ UNVERIFIED |
| IDInnovative Drive CORP | Redwood City | CA | — | ◇ UNVERIFIED |
| IMInnovative Metal Industries | San Bernardino | CA | — | ◇ UNVERIFIED |
 Innovative Signs, INC. | Caledonia | WI | — | ◇ UNVERIFIED |
| ILInnovision Led | Buffalo | NY | — | ◇ UNVERIFIED |
| ICInpro Corporation-signscape Division | Muskego | WI | — | ◇ UNVERIFIED |
| ISInsignia Sign INC | Renton | WA | — | ◇ UNVERIFIED |
| ISIntegrity Sign Solutions Inc | New Albany | IN | — | ◇ UNVERIFIED |
| ISIntegrity Signs Oregon | Woodburn | OR | — | ◇ UNVERIFIED |
| ISIntegrity Signs Oregon LLC | Eugene | OR | — | ◇ UNVERIFIED |
| IHIntelligent Hardware Inc | Boyertown | PA | — | ◇ UNVERIFIED |
| IWInteractive Worldwide Corporation | Philadelphia | PA | — | ◇ UNVERIFIED |
| ICIntercept Corporation | Brainerd | MN | — | ◇ UNVERIFIED |
| IMInterlake Material Handling | Lodi | CA | — | ◇ UNVERIFIED |
| ISInternational Sign & Design Corporation | Tampa | FL | — | ◇ UNVERIFIED |
| IRInterstate Racking and Shelving Ii, INC. | Dayton | NJ | — | ◇ UNVERIFIED |
| ISInterstate Signcrafters, INC. | West Palm Beach | FL | — | ◇ UNVERIFIED |
