Our History
1967

NPL Founded

NPL was founded in Gonvick, Minnesota as Northern Gas Line Constructors. Nearly fifty years later we’re still serving our very first customer.

1973

Northern Pipeline

The company changes its name to Northern Pipeline Construction Co. and moves its headquarters to Bemidji, Minnesota.

1979

Minneapolis Move

NPL makes its next move to Minneapolis – St. Paul reflecting its regional growth.

1989

Phoenix Move

With a focus on national growth, NPL relocates its corporate headquarters to Phoenix, Arizona.

1996

Southwest Gas

NPL becomes a wholly-owned subsidiary of Southwest Gas Corporation, a publicly traded company.

2001

Ontario, California

NPL brings its experience to the large California market, opening its first office in Ontario.

2003

Traffic Control

NPL broadens its scope of offerings by establishing NBC to better serve traffic control requirements at numerous projects across the nation.

2011

Expansion of Services

NPL sees an opportunity to acquire key assets from an Arizona-based pipeline company to serve the southwestern residential homebuilding market, providing wet and dry utility installations and specializing in heavy duty rock trenching.

2014

Strategic Growth

A landmark year in the history of the company, NPL acquires Canadian gas utility construction leader, the Link-Line Group of Companies.

2015

A Brand New Era for NPL

NPL launches a new brand identity reflecting nearly 50 years of thinking ahead, emphasizing an exceptional record of safety and quality, and our long-established reputation for leadership, expertise and innovation.