Question: Where is the headquarters for Cal Jet?

Context paragraphs:
CAL Park: The CAL Park (Chinese Traditional: 華航園區, Simplified: 华航园区, "Huáháng Yuánqū") is located in Dayuan District, Taoyuan City in the Republic of China (Taiwan).  The building is located next to Taiwan Taoyuan International Airport's terminals.  The CAL Park is the flagship building and headquarters for China Airlines.

USA Jet Airlines: USA Jet Airlines is an American cargo airline with its headquarters on the grounds of Willow Run Airport and in Van Buren Township, Michigan.  USA Jet operates on-demand air charter freight, and formerly passenger, flights out of Willow Run Airport.  USA Jet Airlines is a division of Active Aero Group.

Eastar Jet: Eastar Jet (ESR) () is a low-cost airline with its headquarters in Banghwa-dong, Gangseo-gu, Seoul, South Korea.  On January 7, 2009, Eastar Jet made its maiden flight from Gimpo International Airport to Jeju International Airport.  Now, the airline operates a scheduled passenger network to 14 destinations in eight countries.  Its main base is Gimpo International Airport, with a hub at Jeju International Airport.

Godrej BKC: Godrej BKC (Bandra-Kurla Complex) is a project by Godrej Properties Limited developed in partnership with Jet Airways located in Mumbai, India.  Of the 1.3mn sq. ft., 250,000 sq. ft. of the building would be used as the corporate headquarters of Jet Airways (India) Limited.  The Architectural Partner would be SOM (Skidmore, Owings and Merrill) and the construction would be undertaken by L&T.  Profits are to be shared in the ratio of 50:50 between Godrej Properties and Jet Airways.  Godrej BKC is LEED Platinum pre-certified.

Cal Jet Elite Air: Cal Jet Air LLC.  d/b/a Cal Jet Elite, is a United States airline business headquartered in Carlsbad, California.  Cal Jet Elite started in December 2015.  For the past several years Cal Jet has worked tirelessly planning to give North County, San Diego residents an alternative airport to fly from.  On August 16th, 2017 Cal Jet announced that The Carlsbad McClellan-Palomar Airport would be their home/hub, announcing daily non-stop service to Las Vegas's McCarren International Airport through a partnership with Elite Airways unveiling a new brand called Cal Jet by Elite Airways.

McClellan–Palomar Airport: McClellan–Palomar Airport (Palomar Airport) (IATA: CLD, ICAO: KCRQ, FAA LID: CRQ) is a public airport three miles (5 km) southeast of Carlsbad in San Diego County, California.  It is owned by the County of San Diego.  The airport is used for both general aviation and commercial aviation.  In March 2013 the airport was the fourth-busiest single runway airport in the United States.  In August 2017, the airport announced a new commercial airline Cal Jet, would start operating flights in September 2017.

Howard Forest Station: Howard Forest Station is a CAL Fire station and emergency command center (ECC) in Mendocino County, California, located along U.S. Route 101 and 5 mi south of the city of Willits.  The Howard Forest ECC serves as a secondary public safety answering point (PSAP) for fire and emergency medical services in largely unincorporated Mendocino County.  The compound is also the location of the Howard Forest Helitack Base and serves as the headquarters of the Mendocino Ranger Unit.

CAL Cargo Air Lines: CAL Cargo Airlines Ltd. (Hebrew: ק.א.ל.  קווי אוויר למטען‎ ‎ ) is an all cargo airline with its corporate headquarters in the Airport City development of Ben Gurion International Airport, Israel.  The airline operates daily scheduled cargo flights and charter services carrying nonstandard goods and general cargo internationally.  Its main base is Ben Gurion Airport, serving Tel Aviv, and it has a hub at Liège Airport (Belgium).  The airline carries approximately 100,000 tons of cargo annually including all categories of nonstandard cargo: temperature controlled pharmaceutical and healthcare products, live animals, dangerous goods, oversize and overweight cargo, fresh perishable products and valuable goods including fine art.

California Federal Bank: California Federal Bank, often abbreviated to "Cal Fed", was a savings and loan bank in California with the corporate headquarters being located at 5670 Wilshire Boulevard, in Los Angeles.  It existed from 1926 until 2002, when its parent company, Golden State Bancorp, was acquired by Citigroup, resulting in the bank being merged into Citibank.  Cal Fed first ceased to be an independent banking company after its acquisition in 1997 by First Nationwide Bank of San Francisco, California.  First Nationwide Bank changed the name of the new merged banking entity to CalFed Bank due to the appeal of the CalFed brand name.  A few years later the bank was bought out by Citigroup.

Elite Airways: Elite Airways is an airline based in the United States operating charter and scheduled passenger flights.  The air carrier is headquartered in Portland, Maine.

Supporting paragraphs: Cal Jet Elite Air Elite Airways
Answer: Portland, Maine