• Other Medical Research N.E.C.

• 190.

Copper Development Association Inc

We are the industry experts at the Copper Development Association (CDA) and your source for all information on copper in the US.

• Museums & Museum Activities

• 191.

Davistown Museum

The Davistown Museum is a tool art and regional history museum with two physical locations in Maine and a website rich with resources.

• History Museums

• 192.

Captain Avery Museum Inc

Interpreting three centuries of Chesapeake Bay history.

• Domestic Fraternal Societies

• 193.

Grand Junction Geological Society Foundation Inc

Advancing and promiting the science of geology; providing, supporting and furthering educational and research associated with the science of geology; granting scholarships and other financial aid to promising geology students; and supporting other geological orgainzations that qualify as exempt organizations under Section 501(c)(3) of the Internal Revenue Code.

• Natural Resource Conservation and Protection

• 194.

Rockhill Environmental Preservation Alliance Inc

TO PROVIDE EDUCATION AND FINANCIAL SUPPORT FOR ENVIROMENTAL ISSUES AFFECTING COMMUNITIES IN SOUTH EASTERN PENNSYLVANIA.

• Gift Distribution

• 195.

Gem Legacy Inc

Our Mission is to support education, vocational training, and local economies in East African mining communities.

• History Museums

• 196.

DELMARVA DISCOVERY CENTER & MUSEUM INC

Explore the unique world between the Chesapeake Bay and the Atlantic Ocean.

• Physical Sciences/Earth Sciences Research and Promotion

• 197.

Greater Denver Area Gem & Mineral Council Inc

For over 50 years Denver Gem and Mineral Show has been in operation As a Nonprofit Organization put on by volunteers by various Gem Mineral and Fossil clubs from around the region DENVER GEM MINERAL SHOWSEPT 4 72025THE WESTIN WESTMINSTER Home Dealers Exhibits Exhibitors Member Clubs More Denver39s Original Gem Mineral Show The Greater Denver Area Gem Mineral Council is pleased to announce that it will again be hosting the 57th Annual2025 Denver Gem Mineral Show in conjunction with the Hardrock Summit to be held at the The Westin Westminster Thursday thru Sunday See You September 0407 2025 at The Westin Westminster The theme of the 2025 Showis Worldwide Barite Calcite The 2025 Denver Gem Mineral Show DGMS in conjunction with the Hardrock Summit will be held again at the Westin Westminster Hotel from September 47 2025.

INTERNATIONAL COLORED GEMSTONE

ICA, a non-profit organization, is the only worldwide body created to benefit the global community.