Hebburn Engineering Developments Co
part of Merz and McLellan
1903 Company registered to adopt an agreement with H. F. Fullagar, J. Tweedy, A. F. Yarrow, G. B. Richardson, and N. Merz, and to carry on the business of mechanical, electrical, marine, gas, and general engineers, motor car, and vehicle builders, &c. First directors: R. P. Sloan, W. S. Burton, and R. Nelson.
1938 Removed from the register of companies