Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,664 pages of information and 247,074 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
1961 The Glenn L. Martin Co, aircraft manufacturer and defence contractor, merged with the American-Marietta Corporation, a large sand and gravel company, to form the Martin Marietta Corporation.
1995 Merged with Lockheed Corporation forming Lockheed Martin
Grace's Guide web site design is Copyright © 2025 by Grace's Guide Ltd. The text of this web site is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy.
MW1.43