In 1952, he founded the literary magazine Noigandres with his brother.

He founded a company with his brother and started manufacture in his backyard.

In 1982 he founded a company with his brother supplying products to the catering trade.

After this he moved to Colorado Springs and founded an electronics business with his brother.

In 1777, he founded a company with his brother Joseph.

He has founded a software company with his brother.

He founded the lab with his brother and other investors.

He founded the first chapel in Tunstall with his brother in 1811.

Friedman founded the business in 1993 with his wife, his brother and one truck.

In 1838, he founded the publication Erwinia with his brother.