The company, Shepard & Dudley NY, established by instrument makers in New York, operated from 1870 to the late 1890s. The company Shepard and Dudley did not manufacture instruments during or prior to the Civil War, they were producers of surgical sets for civilian purposes post-war. 

The company Edward Weck Inc. traces its roots to it founder, Edward Weck, a German immigrant from Solingen – a city famed for blade-making. According to the statement on its first catalogues the firm was ‘established 1890' and in 1909 has received its first patents on the interchangeable razor blades.  The company gradually moved into surgical field and played a significant role in the advancement of surgical instrumentation, particularly in the fields of microsurgery and vascular surgery. It was known for producing high-quality surgical tools, including vascular clamps and microsurgical instruments, which became standard in operating rooms worldwide. Its innovations contributed to more precise, less invasive surgical procedures, improving patient outcomes. Today, the legacy of Edward Weck endures through integration into larger medical device company, Teleflex, continuing to influence modern surgical practice.

Columbia Dentoform, established in 1917 by Ben Spitzer, a Columbia University Engineering School graduate, began as the Columbia Dental and X-Ray Company in Manhattan, New York. Initially, the company provided x-ray equipment for dental offices and sold articulators and attachments to dental laboratories. Ben Spritzer In 1917, it introduced metal typodonts—his first phantoms for dental teaching and practice. Today, as part of the DentalEZ family of brands, Columbia Dentoform continues to develop and provide high-quality simulation products, maintaining its commitment to improving the instructional process and learning experience for dental students globally.