I.O.S.A., which was chartered in 1924, is a federation of district scouting organizations. Its mission is to promote scouting and the petroleum industry and to publish an annual petroleum statistical book titled, International Oil & Gas Development Yearbook.

I.O.S.A., P.O. Box 940310, Houston, TX 77094-7310

The I.O.S.A is a non- profit organization (tax identification number is 501 c6.74 - 0802170) headquartered in Houston, Texas.