The five million-member NRA has partnerships with dozens of businesses, ranging from auto rentals to hotels, and even offers a branded credit card.
And TrueCar, a auto buying service, said late Friday that it would end its deal with the NRA as of February 28.
The fallout over this week's shooting rampage at a Florida high school started to take its toll on National Rifle Association's roster of corporate partners on Friday as a half dozen companies severed marketing ties with the gun advocacy organisation.
The family-owned First National Bank of Omaha also said it would not renew NRA-branded credit cards, citing "customer feedback".
There was also a wave of vehicle rental outfits.
Insurance giants Chubb Ltd and MetLife, cybersecurity firm Symantec Corp, and Enterprise Holdings, which operates the Enterprise, Alamo and National rental auto chains, were among those that said they would end partnerships with the powerful NRA.
Trump says arm USA teachers; they love kids as others don't
He then did a 360-turn on the stage and put his hands up to his hair - as if he were styling it. Trump reiterated his campaign pledge to build a wall along the U.S. "I don't know.
Enterprise Holdings, one of the world's largest rental-car companies, is ending a key partnership with the National Rifle Association.
The NRA, which claims five million members, did not respond to a request for comment.
And BlackRock, a giant investment firm that holds significant stakes in several major gun companies, said on Thursday that it plans to speak with major players in the gun industry to "understand their response to recent events".
-Avis: Avis provides discounts to NRA members. The group has not commented on companies cutting ties.
Meanwhile, rental auto company Enterprise, which also owns Alamo and National vehicle rentals, said on Twitter it would end its discount program for NRA members as of March 26.
Enterprise followed suit a few hours later. And North American Van Lines said it was scrapping its an affiliate relationship with the NRA.
The Economist explainsWhy the Second Amendment does not stymie gun control
The Second Amendment was adopted on December 15, 1791 as part of the first 10 amendments in the Bill of Rights. For those folks, let them keep the Second Amendment , but concur that military weapons belong in the military.
The NRA member benefits site lists a handful of deals that individuals can receive with their memberships.
The NRA offers a code, "NMRN4 in the "Meeting Event Code" field" for travelers to fly Delta to its annual convention in Dallas for a discounted rate.
On Friday, one of the survivors of the shooting, 17-year-old David Hogg, who has become a powerful voice in the push for stricter gun laws, joined the debate and urged FedEx to stop its relationship with the NRA. And SimpliSafe, which sells home security systems, said the same.
Mass shootings have always rallied anger and calls for change to gun laws, but that feeling appears to have been magnified after the Parkland massacre. When the N.R.A. used a GIF of Parks and Recreation character Leslie Knope to thank spokeswoman Dana Loesch for speaking out at the Sunrise town hall, Amy Poehler was not happy.
In a statement on Friday, insurer Chubb said it told the NRA three months ago that it would "discontinue participation in the NRA Carry Guard insurance program under the terms of our contract".
Cardi B also thinks giving guns to teachers is a stupid idea
A number of teachers, like Skye Warren, who teaches in Houston's Third Ward, flooded Twitter on Thursday with opposition to Mr. Don White, R-Indiana County, who proposed a bill that would let school districts and teachers volunteer to be armed.