What does OiO when Buying Grains mean?

[McAvinbrew]

As the title suggests Im buying some grains and some of them are marked OiO. Ive had a quick look and cant find out what it means. Im hoping some of you more experienced folk can cast a little light on my ignorance.

Thanks guys.

 

[jeffpn]

Looks like a company.

http://www.countrymaltgroup.com/our-sup ... tson-page/

 

[McAvinbrew]

Looks like a company.

http://www.countrymaltgroup.com/our-sup ... tson-page/

Well that answers that.

Thanks you good sir.