A number of corporate donors pledged $1 million or more in support, including Microsoft , which pledged $1.25 million, and Digicel, which pledged $5 million.
Credit Agricole, France’s third-largest bank by market value, said it is committing 1 million euros ($1.45 million).
"The immediacy of corporate contributions indicates the level of concern for the victims of this tragedy," said Stephen Jordan, senior vice president and executive director of the Chamber's Business Civic Leadership Center.
Among other donors, health insurer Aetna said it will expand its employee assistance program and offer additional benefits to staff, plan members and families effected by the earthquake.
It is expediting the filing of life insurance claims and extending claim submission dates, and matching donations to disaster relief funds made by its employees.
The company is also offering assistance and medical evacuation to customers who have employees in Haiti who were injured or affected by the earthquake.
JPMorgan Chase committed $1 million to the effort and encouraged its employees to donate as well; $250,000 will be used for urgent relief care in setting up temporary shelters and offering medical assistance through the American Red Cross and CARE. Another $500,000 will be used for future recovery and rebuilding efforts, and the bank will match employees' contributions of up to $250,000.
Rival Wall Street banks Goldman Sachs and Morgan Stanley each also donated $1 million.
In addition to a financial contribution, American Express is waiving credit card fees on transactions to government-sponsored relief organizations that are offering aid.
"We're not Johnson & Johnson, so we don't have bandages to send," said AmEx spokesperson Christine Eillott. "What we can do is waive the discount rate on credit card transactions for relief aid. This will last through February, when we’ll evaluate the situation at that time."
PepsiCo will donate $1 million to the victims and provide Quaker products, bottled water and Gatorade through its bottlers in Florida and the Dominican Republic. Of that donation, $500,000 will be used for short-term relief, with the remaining $500,000 to be used over the longer term.
Drugmaker Eli Lilly said it will donate medicines and $250,000 cash. It will also match employee contributions up to $250,000.
Amgen is providing $2 million and will ask staff to contribute through a Web site. It will match those contributions.
Campbell Soup is contributing at least $200,000 and putting a mechanism in place for employees to make contributions.
AMR's American Airlines scheduled three flights to Port-au-Prince with 10,000 pounds of aid, including material for hospitals. Three more flights were scheduled for Thursday.
American is working with the Red Cross on a program through which members can make donations toward relief in return for frequent flier miles.