The International Paris Air Show is celebrating its 51st anniversary this year. There are 2,260 exhibitors in attendance from 47 countries, with 120 aircraft on display at the aviation industry showcase.
The big movers and shakers in the aerospace and defense industry all attend the show, which is held every other year.
As ever, Boeing and Airbus are the two companies in the spotlight , hunting out those multimillion-dollar orders, but all the key players from the world of civil and military aviation are in the French capital.
Click ahead for a look at the highlights from the show.
—By CNBC's Matt Clinch. Additional reporting by CNBC's Phil LeBeau.
The Taiwanese airline joined with Boeing to unveil a new twin-aisle 777-300ER (extended range) jet with a luxurious cabin interior at the Paris Air Show.
"We are treating it as our new flagship, so we also see this as a window of opportunity," China Airlines Chairman Huang-Hsiang Sun told CNBC.
Garuda Indonesia, the country's national airline, has been busy with the checkbook in the French capital. It announced on Monday that it will purchase 30 of Boeing's 787-9 Dreamliners and the same number of the 737 MAX-8 planes.
In addition, EVA Airways, a Taiwanese airline, intends to purchase five of the Boeing 777 Freighters in a deal which is valued at more than $1.5 billion.
The U.S. manufacturer also announced deals with Qatar Airways, AerCap, SMBC Aviation Capital and Indonesia's Sriwijaya Air.
The Canadian aerospace multinational is using the show to launch its all-new C-Series family of aircraft, which includes the CS100 and CS300 airliners.
The series has had 2,543 orders since last September, but Alain Bellemare, president and CEO of Bombardier, told CNBC that he wasn't expecting many more at the event.
"Really the focus of this show is to demonstrate that we have two fantastic aircraft, the performance is good, the flight test results are very impressive," he said.
Not to be outdone by Boeing, Airbus has been welcoming new orders for its planes. Air Lease Corporation, a Los Angeles-based aircraft leasing company, announced a firm order for additional Airbus widebody and single-aisle aircraft on Monday.
Garuda Indonesia also signed a letter of intent for the purchase of 30 A350 XWB aircraft and deals were announced with GE Capital Aviation Services and low-cost Japanese airline Peach Aviation.
European software company Dassault Systèmes announced that Airbus Helicopters would be using its products to aid its manufacturing operations.
Meanwhile, Airbus Helicopters showcased its new H160 model for the first time in Europe. The newly certified H145M military helicopter is also being shown off.
Brazilian aerospace conglomerate Embraer has also been busy attracting some new customers. SkyWest has signaled a firm order for 8 of its E175 jets in a tie-up with Alaska Airlines. The value of the contract is estimated at $355 million.
China's GuizhouAirlines has also agreed to buy 17E190s and the Republic of Mali has signed a contract to acquire six SuperTucano attack planes from Embraer.
U.S. defense firm Raytheon extended their partnership with technology group Kongsberg on the National Advanced Surface-to-Air Missile System.
Tom Kennedy, chairman and CEO of Raytheon (right) and Harald Annestad, CEO of Kongsberg Defence and Aerospace, inked the deal on Monday afternoon at the event.
Correction: This story has been updated to reflect that Raytheon is a U.S. defense firm.
Italian-French aircraft manufacturer ATR has announced a slew of deals in Paris. Japan Air Commuter, Binter, Cebu Pacific and Braathens Aviation are just some of the operators that have signed agreements with the company.
ATR is set to reveal a total of 46 firm orders and 35 options to purchase over the course of the week, in a set of deals which is set to be worth $1.98 billion.
Two big names in the defense industry cosied up together in Paris. Lockheed Martin and Denmark-based Terma signed a memorandum of understanding on the production of the F-35 Lightning II Joint Strike Fighter. The companies hope to add more component production to their current joint program.