Question: Where was the Republic Airline owned by Republic Airways Holdings headquartered?

Context paragraphs:
Dynamic International Airways: Dynamic Airways LLC, doing business as Dynamic International Airways, is a U.S. Certificated airline owned by private owners, founded in 2010.  The airline operates Boeing 767-200ERs and Boeing 767-300ERs; and formerly operated McDonnell Douglas MD-88s. Formerly known as Dynamic Airways, the company added International to its official name to reflect its transition from a charter airline into scheduled international services.  Dynamic is headquartered in Greensboro, North Carolina and offers service from New York to South America.  Dynamic also previously operated from Fort Lauderdale, Chicago, Los Angeles and New York to the Caribbean, Cancun, and South America.

Republic Airways Holdings: Republic Airways Holdings, Inc. is an American airline holding corporation based in Indianapolis, Indiana, that owns Republic Airline, an American regional airline operating in the United States.

OpenSkies: OpenSkies is a transatlantic airline owned by British Airways (BA) that is headquartered in Rungis near Paris.  The airline launched as a brand of BA European Limited in June 2008 but in April 2009 the name was transferred to Elysair (which had operated as L'Avion).  The airline is a full-service carrier and offers three class service cabins on board its aircraft.  The airline currently operates between Paris-Orly Airport in France and both Newark and New York in the United States.

Tigerair: Tiger Airways Singapore Pte Ltd, operating as Tigerair, was a budget airline headquartered in Singapore.  It operated services to regional destinations in Southeast Asia, Bangladesh, China and India from its main base at Singapore Changi Airport.  It was founded as an independent airline in 2003, and was listed on the Singapore Stock Exchange under the Tiger Airways Holdings name in 2010.  In October 2014, parent company Tiger Airways Holdings became a subsidiary of the SIA Group, who took a 56% ownership stake.

Timothy E. Hoeksema: Timothy E. Hoeksema (born January 25, 1947) was the chairman of Midwest Air Group who transformed the air fleet of the Kimberly Clark paper mill company into Midwest Airlines.  He retired in July 2009 after the company was sold to Republic Airways Holdings after running into financial trouble.

Republic Airline: Republic Airline Inc., operating as Republic Airline, is a regional airline subsidiary of Republic Airways Holdings that operates service as American Eagle, Delta Connection, and United Express using a fleet of Embraer 170 and Embraer 175 regional jets.  It is headquartered in Indianapolis, Indiana.  Its call sign "Brickyard" is derived from the nickname of the Indianapolis Motor Speedway.

Tiger Airways Holdings: Tiger Airways Holdings Limited () is a Singapore-based holding company for a group of low-cost carriers operating in the Asia-Pacific region, consisting of its flagship airline and wholly owned subsidiary, Tigerair (Tiger Airways Singapore).  The holding company was formed in 2007 to allow for easier management of the airline subsidiaries, as well as any future expansion, without having to focus on operational issues, leaving those to the airlines themselves.

Chautauqua Airlines: Chautauqua Airlines, Inc., was an American regional airline and a subsidiary of Republic Airways Holdings based in Indianapolis, Indiana, United States.  Prior to the shut down of operations, it operated scheduled passenger services to 52 airports in the United States and Canada via code sharing agreements as the Delta Connection for Delta Air Lines and AmericanConnection for American Airlines.  Chautauqua previously flew feeder services for other airlines as well via code sharing agreements.  Its last day in operation was December 31, 2014, at which time all flying was absorbed by the Shuttle America certificate.

Midwest Airlines: Midwest Airlines (formerly Midwest Express) was a U.S.-based airline and, for a short time, an operating brand of Republic Airways Holdings based in Oak Creek, Wisconsin, operating from Milwaukee's General Mitchell International Airport.  On April 13, 2010, parent company Republic announced that Midwest Airlines and Frontier Airlines would merge, with the Midwest brand disappearing in late 2011.

US Airways Group: US Airways Group Inc. was an airline holding company based in Tempe, Arizona.  US Airways Group operated US Airways, along with its subsidiaries PSA Airlines, Inc. and Piedmont Airlines, Inc., which are wholly owned but marketed under the branding of US Airways Express.  It merged with America West Holdings Corporation, parent of America West Airlines, in 2005, and the combined company adopted the better-known US Airways name; the two airlines' operating certificates merged in 2007.  It also operates additional companies that provide associated services.  ACE Aviation Holdings, the Canadian parent of Air Canada retained a roughly 6.1% investment stake in US Airways Group.  The route network covered destinations in 47 states, as well as international destinations.

Supporting paragraphs: Republic Airways Holdings Republic Airline
Answer: Indianapolis, Indiana.