Four Generations of Service & Quality

We've been solving pest problems for just over 90 years.

The Beginning of Sprague

The W.B. Sprague Co. is founded in Spokane, WA by W. B. Sprague to provide pest control services to the growing communities in Eastern Washington. Soon after, Sprague opens a second location in the Tacoma, WA to serve Western Washington customers.

1926
History 13

Welcome to the Business, A.H. Treleven, Sr.

On July 1, 1931, the company was purchased by A.H. Treleven, Sr. On August 1 of that year, the company was incorporated in Washington state and a Board of Directors was established. A.H. operates the business out of his home on N. G St. in Tacoma, WA. The company endured and even thrived during the Great Depression by providing essential services to local business and protecting people, property, and food from harmful pests.

1931
History 16

Building A Foundation & A Second Generation Arrives

In 1947, A.H. Treleven Jr., a former U.S. Coast Guard pilot in Alaska, joins the family business and purchases his father’s interest in the company. In 1948, the company moved into its first headquarters in Tacoma, WA. The company also unveiled its new company service vehicle – a 1948 Plymouth Super Deluxe.

1940s
Old Sprague company car

Sprague Takes to the Airwaves - KON518

In a revolutionary move for the time, the FCC licensed Sprague to have radio towers to establish a radio dispatch system for its service technicians, creating the Sprague call sign KON518. Bernadette “Bernie” Treleven, A.H. Treleven, Jr.’s wife joined the company in 1957 as the company’s radio dispatcher. In 1958, A.H. and Bernadette’s son, Larry, joined the company as the first member of the third generation of Treleven’s to work in the family business.

1950s
History 9

Larry Treleven Comes On Board Full-Time

On April 1, 1971 Larry Treleven joins the company full-time.  In 1975, the company purchased Bremerton Pest Control, and in 1979 it opens a service center in Olympia, WA.

1970s
History 17

A Decade of Growth & Change

1980 – Sprague purchases American Exterminating along with several smaller companies to bolster its presence in the Pacific Northwest and opens a service center in Seattle, WA. Sprague joined the Copesan network – a national consortium of pest control companies dedicated to providing pest management services exclusively to national commercial accounts.

1981 –  Alfred H. Treleven III, son of A.H. Treleven Jr., and Larry’s brother, joins the company full-time.

1982 – Sprague becomes a shareholder in Copesan, and Larry Treleven is named president taking over from his father A.H.

1983 – Sprague acquires Western Exterminator and creates the Spokane, WA service center.

1984 – Alfred H. Treleven III joins the Copesan Board of Directors and served as Chairman of the Board for 13 years. Sprague continues to grow, and opens a service center in Kennewick, WA.

 

1980s
History 2

A Larger Footprint

1990 – Sprague opens its first service center outside Washington state with an expansion into Portland, OR.

1995 – Sprague expands into the Mountain West region and opens a service center in Boise, ID.

1990s
Portland

A Legacy Grows

2000 – Sprague further increases its footprint and opens a service center in Salt Lake City, UT. Ross Treleven, Larry’s son, joins the company as the first member of the fourth generation of Treleven’s.  Alfred H. Treleven III and Larry Treleven become co-presidents.

2000s
Denver

California Here We Come

2011 – Continuing to grow in the region, Sprague acquires EnviroPest and opens a service center in Denver, CO.

2012 – A.J. Treleven IV, Alfred’s son, joins Sprague.

2015 – Angela Treleven, Larry’s daughter, joins Sprague Board of Directors.

2016 – Sprague expands into the California market with the acquisition of TMC Pest Management and opens a service center in Bakersfield, CA. Larry Treleven is inducted into the Pest Management Professional magazine Hall of Fame.

2017 – Sprague further grows its West Coast presence and opens a service center in Los Angeles, CA.

2010s
Industries 10

Betting On the Future

2020 – Paul Treleven, son of Larry Treleven, joins Sprague.  Expanding into the Southwest United States, Sprague acquired ProChem Pro Active and opened service center locations in Reno, NV and Las Vegas, NV.  

2021 – Ross Treleven is promoted to President; AJ Treleven, Director of Operations; and Paul Treleven, Director of Sales.  Larry Treleven celebrates 50 years in the pest control industry.

Sprague grows its service capacity and acquires Blue Heron Pest Management and MasterCare, opening service locations in Sacramento, CA and Phoenix, AZ respectively.  To better serve Eastern Washington customers, Sprague opens a service location in Yakima, WA.

2020s
Las Vegas, NV