Amazon has triggered a $5 billion bidding war - here are the cities that are in competition for its new HQ

Cincinnati Mayor John Cranley tweeted Thursday: "We are already working on our proposal."

Rochester Chamber of Commerce CEO Bob Duffy has sent two letters to Bezos, indicating that the city would be submitting a proposal.

"We will work with [the Albany-based Center for Economic Growth] and others to develop a proposal for Amazon," Marty Vanags, the president of Saratoga County Prosperity Partnership, told Albany Business Review. Saratoga County is one of the neighboring counties of Albany. The capital region would need to bound together all nearby counties in their bid to meet Amazon's one-million population requirement.

"Houston is definitely interested in the Amazon HQ project and will look into the process of formally soliciting it," a spokesperson for the city told Houston Business Journal.

"We plan to make a pitch to Amazon, and we plan to work with our partners around the region to do it," Hartford mayor Luke Bronin said in a statement to NBC.

"Rhode Island is in the game," Matthew Sheaff, spokesman for the Rhode Island Commerce Corporation, told the Providence Journal, adding that it's too early to tell what specific location the state will pitch to Amazon.

"We are very interested in Amazon, and we will be working with other organizations in making an effort to attract Amazon to this community," Mayor William Bell told AL.com.

John Rago, the mayor's deputy chief of staff for policy and communications, said the city is "on this big time," according to Technical.ly Delaware.

He continued: "This is an exciting opportunity and we are putting together a good case for why Amazon would find Wilmington to be a welcoming and supportive home for the company’s headquarters."

At least one city official thinks London would be a good fit for Amazon — Ward 7 councillor Josh Morgan tweeted: "This opportunity has the potential to be transformational for the City of London and SW Ontario. I'll be raising it at Committee next week."

San Antonio Mayor Ron Nirenberg told CNBC: "We have the workforce, infrastructure and quality of life that all major corporations look for in a location. In coordination with the San Antonio Economic Development Foundation, Team San Antonio is ready to show that our city is in the most competitive position possible when those opportunities arise and when they align with community priorities."

"Our team is getting [the proposal together] and we're still looking at it — but on the face of it, it is a pretty exciting opportunity," Deputy City Manager Kim Walesh said to the San Francisco Chronicle.

"I've asked staff to review the application process with a view to being part of the competition," Ottawa Mayor Jim Watson tweeted Thursday.

"Our goal is to compete for projects on all levels," said Jonas Peterson, CEO of the Las Vegas Global Economic Allicance. "We believe our community has a great product to offer headquarters-related projects."

A spokesperson for Mayor Bill de Blasio told CNBC, "We are very interested in the possibility of Amazon locating a headquarters in the five boroughs, and believe the city's competitive advantages position it well."

"I'm proud to say Milwaukee meets all your requirements and even prouder to say our incredible renaissance would complement your vision," Mayor Tom Barrett wrote in a letter to Bezos, describing the city's intent to place a bid.

Outside of DC, in nearby Virgina, officials told local media the county "will be pursuing the opportunity," though specific locations weren't discussed.

"When you look at the criteria, I can't imagine a place that meets it better than Calgary," the city's mayor said, according to the Calgary Herald.

Mayor Naheed Nenshi added: "I will be making that case strongly."

The city "communicated to Amazon our intent to respond," said Mike Rosa, senior vice president for economic development at the Dallas Regional Chamber, according to The Dallas Morning News.

"I welcome the opportunity to compete for this remarkable investment, and the tens of thousands of good-paying jobs it is sure to bring with it," Los Angeles Mayor Eric Garcetti said in his statement to the Los Angeles Times.

Edmonton's mayor called the prospect of Amazon moving into town a " tasty morsel," according to the Edmonton Journal.

"We are going after it at full speed," Mayor Don Iveson continued.

"The city, the state, the region — it's fair to say everyone is extremely interested in this one," a spokesman for Portland's economic development agency told The Oregonian.

Virginia Beach Mayor Will Sessoms said the city is pursuing a proposal "at full speed."

"I have an answer for Amazon – Sacramento," Mayor Darrell Steinberg wrote in a statement, indicating the city is readying a bid for October 19.

St. Louis Mayor Lyda Krewson said in a statement that the city would be putting together "a very competitive" proposal to be the host of Amazon's new headquarters.

Buffalo Mayor Byron Brown tweeted that he was "looking into this huge opportunity," and the county legislature has already passed a resolution in support of the idea.

Not to be outdone by its fellow Tennessee city, Nashville Mayor Megan Barry confirmed in a statement that the city would be bidding.

Memphis Mayor Jim Strickland tweeted his city's intention of making a bid, saying: "We're on it" and that "The @CityofMemphis has so much to offer!"

Tim Cowden, president of The Kansas City Area Development Council said in a statement the city will be putting together an "aggressive" proposal to submit to Amazon.

Officials stopped short of stating they would place a bid, but they did say they would be pursuing the opportunity.

Brian Kenner, the district's deputy mayor for planning and economic development, said, "The District is positioned to be a desirable location for Amazon's East Coast headquarters."

Yelp recently decided to move into the capital, and Bezos is currently renovating a large mansion in the town.

A state official told Reuters that it plans to prepare a bid, though they didn't specify a city.

Vancouver Mayor Gregor Robertson tweeted: "Great news! Amazon would be [a] fantastic addition to Vancouver's world-class innovation ecosystem."

City officials stated they will be putting a bid in to Amazon.

The director of economic development for the city told The Phoenix Business Journal the region can be "very competitive" for the headquarters, though officials have not said definitively if they will be seeking a bid.

The City of Brotherly Love will be making a pitch to become Amazon's second home, according to local media.

A spokesperson for Detroit Mayor Mike Duggan said the city is "evaluating [the opportunity] carefully," and local real estate magnates like Dan Gilbert have thrown their weight behind the idea.

The Columbus Dispatch is reporting that officials are "in the hunt" for Amazon's HQ and will be submitting a bid.

State and local officials told the Boston Globe that they would put together a bid to make Boston the site of Amazon's new HQ. They said they will likely use a revised verion of the argument that lured GE to the city.

Western Massachusetts' Pioneer Valley, which includes the city of Springfield, also said that it was prepping a bid for Amazon's consideration.

Both city and state officials expressed interest in petitioning Amazon for the headquarters opportunity. Baltimore Mayor Catherine Pugh said the city would "pursue this opportunity aggressively," the Baltimore Sun reported.

"With an unmatched portfolio of technological talent and intriguing development parcels, Pittsburgh is uniquely positioned to submit a winning bid for Amazon's facility," Mayor Bill Peduto said, according to the Pittsburgh Post-Gazette.

"This is a megaprospect, and we have already initiated conversations with our economic development partners at the state and regional level to thoroughly consider the best possible fit for Denver and the region," said Denver Mayor Michael Hancock, according to the Denver Post.

Mike Rosa, senior vice president for economic development of the Dallas Regional Chamber, told the Dallas Morning News that the group has "communicated to Amazon our intent to respond" to the call for proposals.

"San Diego has the geographic proximity to international markets, unparalleled quality of life and workforce talent that companies like Amazon are looking for, so Mayor (Kevin) Faulconer's office has directed the San Diego Regional Economic Development Corp. to coordinate a regional response," Matt Awbrey, Faulconer's deputy chief of staff, said in a statement, according to the San Diego Union Tribune.

Toronto Major John Tory called the race for the Amazon headquarters "the Olympics of bidding."

"We should be bidding for this and be very, very competitive and I'm in the midst of talking to the other governments to make sure that’s what we do," he said Thursday, according to The Toronto Star.

Minnesota Governor Mark Dayton said in a statement that city and regional nonprofits and development agencies are working on a proposal for an Amazon headquarters in the Twin Cities.

According to the Chicago Tribune, Chicago Mayor Rahm Emanuel has already spoken to Amazon CEO Jeff Bezos about the possibility of opening a headquarters in the city. Several other corporations — including McDonald's, Kraft Heinz, and Conagra Brands — have recently planned to move their base from the suburbs to this Midwestern hub.