| Company | Category | Area | Address | Web | Contact person | |
| ROI INSTITUTE RESEARCH TRNG | Research Service | Mississippi | 240 DAVIS AVE, PASS CHRIS, Harrison, Mississippi, 39571-4506, USA | - | - | - |
| ROI INTERACTIVE | Multimedia (Manufacturers) | Texas | 4113 RAWLINS ST, DALLAS, Dallas, Texas, 75219-3661, USA | - | - | - |
| ROI INTERNATIONAL CORP | Importers | California | 8940 SORENSEN AVE STE 2, SANTA FE SPGS, Los Angeles, California, 90670-8602, USA | - | - | - |
| ROI IT | Vocational School | Illinois | 376 BRITTANY CT APT F, GENEVA, Kane, Illinois, 60134-3660, USA | - | - | Deb Smith |
| ROI MANAGEMENT CONSULTING | Management Consulting Services | Georgia | 3060 PEACHTREE RD NW, ATLANTA, Fulton, Georgia, 30305-2234, USA | - | - | - |
| ROI MANAGEMENT CORP | Business Management Consultant | Colorado | 615 MAIN ST # B, WESTCLIFFE, Custer, Colorado, 81252-9557, USA | - | - | - |
| ROI MARKETING | Heating Equipment & Systems (W | Pennsylvania | 622 MARY ST, WARMINSTER, Bucks, Pennsylvania, 18974-2800, USA | - | - | John Slavinski |
| ROI MARKETING | management consulting services | Texas | 221 FM 1960 RD W, HOUSTON, Harris, Texas, 77090-3538, USA | - | - | Kristin Wilson |
| ROI MARKETING | Advertising-Agencies & Counsel | North Carolina | 2350 CROYDON RD, CHARLOTTE, Mecklenburg, North Carolina, 28207-2704, USA | - | - | Andy Giordano |
| ROI MARKETING | Mrkting Consult Svcs | Utah | 2280 S STATE ST, SALT LAKE CTY, Salt Lake, Utah, 84115-2724, USA | - | - | - |
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