Ms Meng, who has denied the charges, is now in Vancouver staying in one of her family's homes as she awaits a decision from a Canadian court on the U.S. extradition request.
Skycom, which is based in Hong Kong did business in Iran on behalf of Huawei, he alleged.
Whitaker said some of the behavior documented in the criminal counts goes back to 2007 at Huawei, some of it also going to the very top ranks of its leadership.
US Attorney Richard P. Donoghue for the Eastern District of NY said that the telecom firm's actions began in 2007 and "allowed Iran to evade sanctions imposed by the United States and to allow Huawei to profit".
Canadian Foreign Minister Chrystia Freeland said on Monday that Canada's former ambassador to China had been fired because his comments on an extradition case involving Meng made it untenable for him to stay in the job.
Meng faces charges of bank fraud, wire fraud and conspiracy to commit both bank fraud and wire fraud. Meng specifically is charged with wire fraud and bank fraud, as well as conspiracy to commit wire and bank fraud.
Huawei has been the target of a broad US crackdown, including allegations it sold telecommunications equipment that could be used by China's Communist Party for spying.
Another winter storm on the way Monday
A snowstorm will deliver 4-8 inches south of I-96 and 8-12 inches north of I-96 on Monday, with significant impacts to travel. Dangerously cold conditions are possible Wednesday morning with wind chills now forecast to range from -15 to -25 degrees.
The company was also accused of obstructing justice for allegedly stealing robotic technology from carrier T-Mobile US Inc to test smartphones' durability.
According to the indictment, Huawei tried to steal T-Mobile USA trade secrets, and even allegedly offered employees bonuses if they managed to steal confidential info from companies.
On Tuesday, US intelligence officials are expected to cite 5G investments by Chinese telecom companies, including Huawei, as a worldwide threat.
"As charged in the indictment, Huawei and its Chief Financial Officer broke USA law and have engaged in a fraudulent financial scheme that is detrimental to the security of the United States", said Homeland Security Kirstjen Secretary Nielsen.
In the first indictment, the DOJ revealed the charges that triggered Meng's arrest in Canada in early December past year. According to her court-ordered release conditions, she must reside there until her next court appearance.
Ms Meng, 46, the company founder's daughter, has been under house arrest in Canada after being detained on December 1 at the...
U.S. Trade Representative Robert Lighthizer, Treasury Secretary Steven Mnuchin and Commerce Secretary Wilbur Ross will take part in the discussions, along with the president's economic adviser Larry Kudlow and trade adviser Peter Navarro.