Bell's Security Incorporated, was originally known as "Bell's Hardware" and was founded in 1929 by Robert (Bob) Bell, Jr. Bob Bell was also one of the original founders of "The Master Locksmith Association of New Jersey."
 

In 1964, Richard Middleton started working for Bell's Hardware while taking locksmith courses.

Starting in 1965, Richard started his mobile business called "Hillside Lockshop," he was the exclusive out-side serviceman for Bell's Hardware.
 

In 1969, Richard Middleton and Donald Meyer purchased Bell's Hardware. The company was renamed "Bell's Security Sales & Service, Inc." The business became a wholesale and retail locksmith and door hardware supply store with road service locksmiths.
 

In 1978, Richard Middleton purchased the wholesale and retail portion of Bell's Security Sales & Service, Inc., which was then renamed "Bell's Security Sales, Inc." (Bell's). Since then, Bell's has been a certified wholesale distributor for approximately 100 manufacturers nationwide. The first location for Bell's Hardware was at 411 Bloomfield Avenue, Bloomfield, New Jersey.

Richard Middleton passed away in September of 1990. Since Richard's passing, his wife, Magdalena (Dale) Middleton and son, Richard (Rick) Middleton, II, continue to operate the business. In September 2000, Bell's relocated to 426 Bloomfield Avenue, Bloomfield, New Jersey, due to business growth. This move doubled the warehouse space and show room size.

Magdalena (Dale) Middleton passed away in August, 2017. Richard (Rick) Middleton, II, has continued leading the business since.