Family run for four Generations

Since our founding in 1920 as a mechanical contractor, JJ White Inc. has evolved into a single-source, multi-trade contractor with experience in a wide range of disciplines. From constructing the first Houdry Fixed Bed Catalytic Cracking Unit to moving the Liberty Bell, JJ White Inc. has done it all.

1920
Founded in the Tradition of Excellence

Based in Philadelphia, JJ White began as a single mechanical contractor in the Mid-Atlantic Construction Industry.

1926
Sesquicentennial Hall in Philadelphia’s Fairmount Park Construction

The building would go on to be known as Memorial Hall and currently houses the Please Touch Museum.

1933
Constructed the first Houdry Fixed Bed Catalytic Cracking Unit.

The Unit completes one of the most important conversion processes in petroleum refining and is widely used today.

1936
Invented the Anti-Fire, Anti-Freeze Valve

The valve revolutionized firefighting and saved the lives of hundreds of firefighters.

1955
Participated in the construction of Philadelphia’s Walt Whitman Bridge

The bridge is one of the main connections between Philadelphia and the South Jersey region.

1971
Veteran's Stadium HVAC

Completed Heating, Ventilation, and Air-Conditioning installation for Veteran’s Stadium, home of the Phillies and Eagles for over 30 years.

1972
Completed the HVAC installation for the new Children's Hospital of Philadelphia.

The first of its kind in the world with units dedicated to pediatric patients.

1975
Liberty Bell Pavilion

Built the first new home since Pennsylvania Statehouse for our Nation's symbol, The Liberty Bell. Moved The Bell into the new Pavilion on December 31, 1975 to mark the start of our Nation's Bicentennial Celebration.

1978
Completed a 500,000 square foot addition to the Philadelphia Convention Hall and Civic Center

The addition made it the largest of its kind in the country and especially suitable for the Philadelphia Flower and Boat Shows.

1988
Built Edison High School

The first major new school construction in Philadelphia in 30 years. 333,000 square feet on a fully developed 27-acre site.

1992
1,600 Workers

With peak employment of 1,600 construction workers, JJ White became the largest contracting employer in the Mid-Atlantic region.

1997
Constructed Cooper University Pediatric Hospital

Built Cooper University Hospital/Medical Center's new Children's Hospital. It was the first of its kind in South Jersey.

2000
Largest Mid-Atlantic HVAC Contractor

JJ White's HVAC Services and Facilities Operation division becomes the largest in the Mid-Atlantic region

2002
Exchanger Group Inaugural Year

JJ White opens its Exchanger Hydroblasting and Extraction Services group based out of New Castle, Delaware.

2006
Founding of Tank Group

JJ White opens its API Tank Construction and Repair group based out of New Castle, Delaware.

2010
Founding of Electrical Group
2012
Launched Mid-west Operations

JJ White begins work at the University of Notre Dame and opens first Mid-west office to bring the full range of JJ White services to the region.

2013
Constructed the Haverford Area YMCA

This modern, full-fledged YMCA was built on the site of a former "brown field" and has since become one of the busiest in the nation.

2015
Cathedral Basilica of Saints Peter and Paul Renovation

Completed a high-tech renovation of the Cathedral Basilica of Saints Peter and Paul ahead of Pope Francis’ highly anticipated visit to Philadelphia.

2016
Northeast Operations Launch

JJ White starts new contract in Boston and launches Northeast Office to bring the full range of JJ White services to the region.

A Tradition of Excellence

Behind every great success story is team of hard working people. Find out more about the JJ White team and ways to join below.