In a competitive business where you are only as good as your last job CSP has earned its reputation over 25 years for being… “On Time, On Budget, On Target.”

We are committed to providing our clients with the highest quality mobile television facilities, the most professional and service-oriented staff and the best equipment at reasonable prices. With one of the industry’s newest fleets, our mobile units are cutting-edge, powerful and efficient.


Len Chase


Len has more than 30 years of engineering and production experience in the broadcast industry. He began his career in television at WCBB and WMTW where he designed and built studios and master control rooms. In 1989, Len joined CSP and while with the company he has received three prestigious Emmy Awards for his work as a Senior Technical Manager. Len graduated from Southern Maine Technical College in 1981 with a degree in Electronic Technology.

Andrew MacVane

Vice President of Operations

Andrew has been employed at CSP for the past 20 years. Prior to joining CSP, he spent 6 years at Shape where he travelled world wide installing, maintaining and training workers on automated VHS manufacturing equipment. Andrew graduated from Southern Maine Technical College in 1985.

Matt Keske

SVP of Sales & Business Development

Matt joined CSP in February 2017 as SVP of Sales and Business Development. He has over 20 years of experience in broadcast production and sales with amateur and professional sports, as well as live entertainment. He spent 12 years with Trio Video as Director of Operations/Account Manager where he managed the mobile truck operations and built and maintained client relationships for both local and national clients before being acquired by NEP Broadcasting in 2012. As Senior Account Manager at NEP, his role included leading client services for regional clients including Comcast SportsNet Chicago, WGN-TV, Fox SportsNet, and Root Sports. Matt is the recipient of a Midwest Emmy Award for Outstanding Achievement for Individual Excellence Off Camera: Technical Achievement, NBC5 Presents: The 2008 Chicago Marathon. Matt is a 1993 graduate of Illinois State University in Communications Radio & TV Broadcasting.

Nat Thompson

Chief Marketing Officer

Nat Thompson is the current President of Maine Radio and Television Co., and a partner in the Portland Media Group. He has been involved in live broadcast production for 30 years and was CSP’s Mobile’s President from 1998 to 2009. Since April of 2017 he has served as CSP Mobile’s CMO. He is a third generation broadcaster and part of the family that owned and operated the NBC affiliates in Maine from their inception in the 1920’s until their sale to Gannett in 1998.

Bonnie Barclay

Office Manager

Bonnie has over 30 years experience in Human Resource and Accounting Management. Prior to joining CSP, she held managerial positions with several companies in Maine and New Hampshire. Bonnie graduated from the University of Maine in 1990 with a degree in Business Management.

Brian Dyer

Engineering Supervisor

Brian has been employed at CSP for the past 10 years. Prior to joining CSP, he spent 17 years at WGME-TV as Assistant Chief Engineer responsible for most of the station’s remote broadcast activities. Brian is a 1974 graduate of the Industrial Electronics Technology Program at Southern Maine Technical College.


1988: CSP was established as a division of Maine Radio and Television which owned and operated WCSH-TV located in Portland, Maine. WCSH’s call letters – CSH – were a reference to the company’s original headquarters located in Portland’s Congress Square Hotel. In keeping with its Portland, Maine heritage, CSP is an acronym for Congress Square Productions.
1999: WCSH-TV was sold leaving CSP as a separate operating entity.
2003: CSP moved its operations to a new 10,000 square foot facility located on four acres in Saco, Maine.
2010: EKTJ, LLC acquired majority control of CSP and helped launch the company into the world of high-definition broadcasting.
2012: Present: CSP currently provides state-of-the-art HD production units to CBS, NBC, ABC, Fox, CBS College Sports, NBC Sports and ESPN. CSP’s most recent HD unit was put in service in November 2012 with another newly constructed HD unit scheduled to roll out in November 2013.
CSP maintains a five bay, 10,000 square foot maintenance facility situated on four acres of land in Saco, Maine. The site has ample room and the approvals in place to expand the facility to accommodate the company’s future growth plans.