MegAnnum, Inc. is an environmental and exploration consulting firm providing a wide variety of services throughout the western United States, the Pacific Islands, and other remote international locations. We are based in Denver, Colorado and have additional offices in the U.S. Territory of Guam and the Commonwealth of the Northern Mariana Islands (CNMI). MegAnnumâ€™s seasoned team of professional environmental and exploration consultants deliver superior solutions with sound science to a wide variety of clients – including oil and natural gas leaseholders, small/large corporations, real estate investments, lending institutions, and major oil companies. No matter the terrain or location â€“ industrial brownfields, rugged mountain, remote desert, frozen tundra, or secluded islands – MegAnnum can get the job done.