Delta and United Airlines also came under fire for offering contracted discounts to NRA members attending the annual meeting.
First National Bank of Omaha also announced Thursday it would end its business relationship with the gun group, which included issuing NRA-branded credit cards to members, and top cybersecurity group Symantec will no longer provide NRA members with discounts for its anti-virus software.
First National Bank of Omaha on Thursday pledged to stop issuing an NRA-branded Visa card.
To date, Hertz, along with Enterprise, Alamo and National, which are owned by the same company, and Avis and Budget, which are also owned by the same company, have announced they are stopping their NRA-member discounts.
Since Thursday, a wave of companies - including United and Delta airlines, Metlife and six vehicle rental brands - have abandoned the National Rifle Association.
Under pressure, more than a dozen companies - including auto rental giants Hertz and Budget, First National Bank and MetLife insurance - have ended their relationships with the NRA, according to progressive news site ThinkProgess.
Twitter users told corporate accounts they would stop buying from firms that maintained promotional collaborations with the NRA, which are created to make the $40 annual subscription to the association more enticing for gun owners.
But the parent company of major hotel brands including Travelodge, Howard Johnson, Ramada and Days Inn, emphasized the distance by tweeting Friday that it "is no longer affiliated with the NRA".
Two national moving companies, Allied Van Lines and North American Van Lines, both ended their discount agreements with the NRA within minutes of each other on Friday.More news: Emily Ratajkowski Ties the Knot in a Surprise Courthouse Wedding
More news: Trump reiterates support for arming teachers, protecting 2nd Amendment
More news: Russian Federation tested 'over 200 new weapons' in Syria: MP
The NRA is one of the country's most powerful lobbying groups for gun rights and claims 5 million members. "#NRABloodOnYourHands." The bank said "customer feedback" spurred it to review its relationship.
"We have asked them to remove our listing from their benefits site", the spokesperson added.
From the mouths of babes comes power, especially when the words are a demand that major United States corporations stop doing business with the NRA.
The NRA has not commented on the boycott movement, but NRA chief executive Wayne LaPierre said in a political conference Thursday: "They want to make us all less free". "As usual, the opportunists wasted not one second to exploit tragedy for political gain", he said.
The NRA has been facing the wrath of many people ever since the February 14 shooting, when 19-year-old Nikolas Cruz entered Marjory Stoneman Douglas High School in Parkland, Florida, with an AR-15 rifle and opened fire on students and staff, killing 17 people and injuring 14 others.
And Bloomberg News reported that some investors have dumped shares of gun companies.
Some of those survivors confronted NRA spokeswoman Dana Loesch at a CNN town hall on Wednesday.
Following intense scrutiny from gun-control advocates, including victims of the Parkland shooting, President Donald Trump and some Republican lawmakers expressed support for measures like shoring up the federal background check system, raising the minimum age requirement to buy a gun, and banning bump stocks.