He also worked in the office of Boston and New York Air line Railroad Company at New Haven, Connecticut.

Camp also became secretary and treasurer of the Middletown Gas Light Company, which he held until he died.

January 26, 1864, Camp was appointed captain of Company D. Twenty Ninth Connecticut Volunteers and was later promoted to major on November 24, 1864.

He was appointed lieutenant –colonel of the Twenty-ninth United States Colored Infantry on January 1, 1865, and then discharged on November 6, 1865.

Camp died on October 8, 1891, in Middletown, Connecticut due to long and painful illnesses.