Supporting companies such as equipment suppliers, banks, insurers, utilities and even hotels quickly followed suit.

Tulsans who became concerned about the loss of these historic and cultural landmarks began to work on adapting them for newer and more economic functions.

As part of the application process, all of the significant buildings within the proposed district boundaries were labeled as either "Contributing" or "non-contributing".

Major international companies downsized or eliminated their Tulsa offices and moved to cities nearer the coasts, especially after foreign countries began exerting more control over their own oil resources.

The International Petroleum Exposition, which had drawn a record number of visitors in 1966, faded in importance and occurred less frequently until it was permanently cancelled after the 1979 show.

The sale could be sold at a sheriff's auction, after a 30-day appeal period, unless the owner reaches a settlement agreement with the city and other creditors.

The Chamber of Commerce and other organizations used the lower five floors, while the Tulsa Club occupied the top six and a roof garden.

[12] Bruce Garrett bought the building for $400,000 in April 2013 at a sheriff's sale, and announced plans to renovate it, while preserving the early 20th-century design.

[13] A recent news article recounted that vandals took away door knobs, light fixtures, and practically anything else they could pry loose.

Fires were set three times in two weeks during April, 2010, damaging several rooms and disfiguring the exterior walls with scorch marks.

The Tulsa Foundation for Architecture was interested in acquiring the building, intending to create a museum of blueprints and other drawings.

Apparently the building remained vacant until Parker Drilling Company reacquired it in 2012, as a result of foreclosure.

Because a large number of hotel projects were being considered for Downtown Tulsa, some concern have arisen about whether there would be sufficient demand for all these to survive.

In an interview, Anish Hotel Group founder, Andy Patel, said that the company is also thinking about converting the former Parker Building to residences or office spaces.

[19] Tulsa-based Consumer Affairs reportedly has remodeled the severely damaged top floors and has moved some of its headquarters staff into the new space, according to a brief announcement.