# GMAC

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> Source: https://en.wikipedia.org/wiki/GMAC
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**GMAC** or **G-MAC** may refer to:

## Organizations

- [Ally Financial](/source/Ally_Financial) (General Motors Acceptance Corporation), traded as GMAC until 2010
- [GMAC Insurance](/source/GMAC_Insurance), former name of National General Insurance
- [GMAC Real Estate](/source/GMAC_Real_Estate), a former real estate franchised brokerage firm
- [GMAC ResCap](/source/GMAC_ResCap) (Residential Capital), which includes GMAC Mortgage
- [GMAC Re](/source/GMAC_Re), a former reinsurance company of GMAC
- [Graduate Management Admission Council](/source/Graduate_Management_Admission_Council), an international association of business schools
- [GMA Canada](/source/GMA_Canada), the Gospel Music Association of Canada, formerly the CGMA
- Global Markets Advisory Committee, part of the U.S. [Commodity Futures Trading Commission](/source/Commodity_Futures_Trading_Commission)

## Computing

- [Galois Message Authentication Code](/source/Galois_Message_Authentication_Code), a type of cryptographic message authentication code
- Giga multiply–accumulate operations per second, a rate of [multiply–accumulate operations](/source/Multiply%E2%80%93accumulate_operation)
- Gigabit media access controller, for handling an Ethernet physical transceiver; See [Gigabit Ethernet](/source/Gigabit_Ethernet)

## Other uses

- [Graeme McDowell](/source/Graeme_McDowell) (born 1979), Northern Irish professional golfer nicknamed G-Mac
- [GMAC Bowl](/source/GMAC_Bowl), a sponsored game of college level American football, now known as the LendingTree Bowl
- [Great Midwest Athletic Conference](/source/Great_Midwest_Athletic_Conference), a U.S. college athletic conference established in 2011 and starting competition in 2012
- GMAC ebike motor, a modified MAC hub motor sold by Grin Technologies

## See also

- [GMAC massacre](/source/GMAC_massacre), a 1990 shooting by James Edward Pough in a car loan office in Florida, US

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Adapted from the Wikipedia article [GMAC](https://en.wikipedia.org/wiki/GMAC) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/GMAC?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.