Mechanical contractor - plumbing, electrical, heating, air conditioning, water treatment, sheet metal fabrication and excavating.

A company providing services at a fair price since 1904.

Leo Kob Co., Inc. is a mechanical contractor offering services in plumbing, electrical, heating, air conditioning, water treatment, sheet metal fabrication and excavating to residential, commercial and municipal customers. The strength of the company lies in the ability to complete repairs on small jobs, and provide expertise in service and installation for residential or major projects.

Leo Kob employs skilled professionally-trained technicians, plumbers and HVAC craftsmen at the current location in Elizabethtown.

The company occupies a 15,000 square feet corporate office, retail store, sheet metal fabrication shop, warehouse, and maintenance shop.  Leo Kob operates an entire fleet of radio-dispatched trucks, as well as backhoes, dump trucks and support equipment.

Started in 1904, Leo Kob Co., Inc. opened a plumbing shop at 24 South Market Street in Elizabethtown, Pennsylvania. In 1977, Master Plumber Richard A. Erb and his wife M. Grace Erb purchased the business and moved to its present location to accommodate expansion. In 2019, Kevin Becker, former VP and General Manager of Leo Kob’s Commercial Division, and his wife Dawn, purchased the business. Thousands of satisfied customers call Leo Kob for their plumbing, water conditioning, HVAC needs, and residential electrical service needs.

Throughout the years, Leo Kob’s core value has never changed:

“To always provide quality service at a fair price.”


Leo Kob Co., Inc. is a member of the following professional organizations:

  • ABC (American Building Contractors)
  • BIA (Building Industry Association)
  • NFIB (National Federation of Independent Businesses)

Leo Kob Co., Inc. employees are active participants in the Keystone Chapter of the ABC’s apprenticeship program and is the recipient of various Merit Awards from ABC.

Leo Kob Co., Inc. employees have thorough background checks including an FBI Criminal background check, a PA Criminal background check and a Child Abuse History Clearance for your utmost security.