MidAmerica Industrial Park
MidAmerica Industrial Park is Oklahoma's largest industrial park. The park is located in Pryor Creek, Oklahoma. Over 70 firms are located within the industrial park including operations of seven Fortune 500 companies. The park was founded in 1960, when the Federal government sold most of the former Oklahoma Ordnance Works to a public trust, the Oklahoma Ordnance Works Authority. It covers 9,000 acres (36 km²).
Urgent Care of Green Country  Urgent Care of Green Country (UCGC) opened their Pryor / MidAmerica clinic at MidAmerica Industrial Park on January 19, 2009. Independently owned, UCGC was founded in 2002 by Dr. Stephen R. Kovacs, D.O., F.A.B.H.P. and Dr. S.Addison Beeson, D.O., F.A.B.E.P. The 4,400-square-foot (410 m2) facility includes a reception area, doctor's office, eight exam / treatment rooms, EMR (Electronic Medical Records), in-house x-ray, orthopedics and lab services. The clinic will treat employees from MidAmerica industries and area businesses that require occupational health services such as: in-depth diagnostic and treatment for most occupational injuries; drug testing; employee physicals; and, sports physicals. Additionally, UCGC offers “walk-in treatment” with no appointment necessary for the general public from throughout Mayes County.
Tulsa Life Flight,  a helicopter ambulance service formerly based solely at Saint Francis Hospital in Tulsa, will open a second base of operations at MidAmerica Industrial Park’s airport. Tulsa Life Flight was established in 1979. It was the thirteenth helicopter air ambulance to be established in the US and the first in Oklahoma. To date, Tulsa Life Flight has completed more than 42,200 accident free flights which is a record held only by a few programs in the world. The aircraft are owned and operated by Air Methods Corporation, the largest air ambulance corporation in the world. The firm contracts with Saint Francis Hospital to provide aircraft, pilots and mechanics.
The MidAmerica Industrial park is also home to a branch of OSU Institute of Technology, which has some of the classes that OSU Institute of Technology provides. The MidAmerica Industrial Park Airport is also located in the park.
MidAmerica publishes a quarterly newsletter called MidPoint to share "news, views and other information" about the park and the industries that we serve. A complimentary subscription is available to individuals who are involved in site selection decision making for their respective companies. 
In November 2012, Oklahoma Governor Mary Fallin appointed David Stewart as the chief administrative officer of the Oklahoma Ordnance Works Authority. He succeeded Sanders Mitchell, who had headed the authority for 35 years before retiring. Stewart was formerly president and chief executive officer (CEO) of Cherokee Nation Businesses LLC and the wholly owned parent/holding company of the Cherokee Nation, which is charged with the economic development and business diversification across the Cherokee Nation's business entities. Sanders Mitchell had been hired by OOWA in 1977 to serve as general manager of the industrial park. He was promoted to the position of general manager for OOWA in 1990.
- http://www.maip.com/overview.php. MidAmerica Industrial Park Website-Overview
- http://www.maip.com/midamerica/documents/Overview-MidAmComp.pdf. MidAmerica Industrial Park Website-Company Characteristics
- Everett, Dianna. Encyclopedia of Oklahoma History and Culture. "Oklahoma Ordinance Works. Retrieved February 23, 2013."
- "Small-town Pryor getting some big hits". Tulsa World: tulsaworld.com. Retrieved 2007-04-07.
- McNutt, Michael. News OK. "New head of MidAmerica Industrial Park is named."November 30, 2012. Retrieved February 25, 2013.
- Pryor Times. "Mitchell announces retirement from MAIP." March 13, 2012. Retrieved February 27, 2013.