- H&R Block Incorporated
- Hain Celestial Group
- Halliburton Company
- Hampton Roads Bankshares Incorporated
- Hanesbrands Inc.
- Hanger Orthopedic Group Incorporated
- Hansen Natural Corporation
- Harken Energy Corporation
- Harley-Davidson Incorporated
- Harleysville Group Incorporated
- Harleysville National Corporation
- Harman International Industries Incorporated
- Harrah's Entertainment Incorporated
- Harris Corp.
- Harris Interactive Incorporated
- Hartford Financial Services Group Incorporated
- Hartford Life Incorporated
- Hartmarx Corporation
- Hasbro Incorporated
- Hauppauge Digital
- Havas
- Hawaiian Airlines Incorporated
- HCC Insurance Holdings Incorporated
- Health Care Property Investors Incorporated
- Health Grades Incorporated
- Health International Incorporated
- Health Net Inc.
- Health Partnership
- Healthplex Incorporated
- HealthSouth Corp
- HealthSpring Inc.
- Healthways Incorporated
- Hearst-Argyle Television Incorporated
- HEARx Limited
- Heico Corporation
- Heineken NV
- Henry Schein, Inc.
- Herbalife Limited
- Herman Miller Incorporated
- Hershey Foods Corporation
- Hewitt Associates
- Hewlett-Packard Co.
- Hi-Tech Pharmacal Company Incorporated
- Highwoods Properties Incorporated
- Hilton Hotels Corp.
- Hines Horticulture Incorporated
- Hirsch International Corp.
- Hispanic Broadcasting Corporation
- Hitachi Limited
- HJ Heinz Company
- Hollinger Incorporated
- Hollinger International Incorporated
- Home Depot Incorporated
- Home Properties Incorporated
- HomeBanc Corporation
- HomeStore.com Incorporated
- Honda Motor Co.
- Honeywell International Incorporated
- Hormel Foods Corporation
- Host Marriott Corporation
- Hot Topic Incorporated
- Household International Incorporated
- Hovnanian Enterprises Incorporated
- HSBC Finance Corp.
- HSBC Holdings Plc
- Hub Group Incorporated
- Hudson Highland Group Incorporated
- Human Genome Sciences Incorporated
- Humana Incorporated
- Huntingdon Life Sciences Group Plc
- Huntington Bancshares Incorporated
- Huntsman Corporation
- Huron Consulting Group Incorporated
- Hyundai Motor Co.