Sales Region Information

Sales Region Information
Corporate OfficeRegion 50 - Tri-State/NYRegion 51 - New EnglandRegion 52 - SoutheastRegion 53 - MidwestRegion 55 - Great LakesRegion 57 - South CentralRegion 61 - Pacific Coast (North)Region 61 - Pacific Coast (South)Region 62 - Midwest CentralRegion 64 - Mid Atlantic

Corporate Office

4133 Shoreline Drive
Earth City, Missouri 63045
Phone: (888) 210-3526
Fax: (314) 291-2857

Region 50 - Tri-State/NY

Ed Berkowitz
31 Sweetwater Lane
Hardyston, NJ 07419
Phone: 973-352-7003


Ed Berkowitz, Porta-King’s Tri-State NYC Regional Manager, has served Porta-King for 23 years. Born in Hoboken, New Jersey, Ed grew up in Wayne and earned his degree from Montclair State University. Before he joined the team at Porta-King, he worked as a project manager at Industrial Metal Fabricating, and sales manager for Ryerson Steel, Parmatic Filter, and Lyon Metal Products. We’re happy to have his expertise and wide range of experience at Porta-King! When he’s not at work, Ed enjoys boating, skiing, and riding his Harley.

Region 51 - New England

Steve Lauber
97 Pine Street
Manchester, MA 01944
Phone: 978-893-5026


Our New England Regional Manager, Steve Lauber, is a veteran of the modular building industry. He enjoys working with clients to meet their needs using the economy and speed of modular construction technologies. As an empty nester, he enjoys weekends on the water and time spent with grandchildren. Steve is based in Boston, Massachusetts.

Region 52 - Southeast

Rob Maxwell
908 Celadon
Peach Tree City, GA 30269
Phone: 678-433-9730


Our Southeast Regional Sales Manager, Rob Maxwell, has been with Porta-King for 15 years. He was born and raised in Cape Girardeau, Missouri and graduated from Southwest Missouri State. Rob currently lives in Peachtree City, Georgia with his wife and three children. In his free time he enjoys playing golf with friends and kayak fishing.

Region 53 - Midwest

Brian Guest
4133 Shoreline Drive
St. Louis, MO 63045
Phone: (314)384-5201


Brian Guest was born in the small town of Winchester, Missouri. He worked in the field as a carpenter with Porta-King for 10 years, installing Modular Offices and Mezzanines. In 2000 he went into sales. Today, he works as the Midwest Regional Sales Manager. When he’s not bringing in business for Porta-King, he enjoys spending time on the lake with his wife and three children.

Region 55 - Great Lakes

Joe Huffman
345 Reymont
Waterford, MI 48327
Phone: 248-289-3544


With over 10 years in the position, Joe Huffman works as the Automotive National Sales Manager and the Major Account Manager for the Great Lakes Region of Indiana, Ohio, and Michigan. Born in Indiana, Joe moved to Michigan and got started in the modular construction industry over 35 years ago. He now sits on the boards of several professional architectural organizations, including the Metro Detroit Construction Specification Institute (CSI) and the Metro Detroit Building Council and Michigan Producers Council. He’s an integral part of the Porta-King sales team.

Region 57 - South Central

Dennis Willett
7200 Woodson Dr
Raytown, MO 64133
Phone: 816-388-9260


Born and raised in Kansas City, Missouri, Dennis Willett has traveled most of the country for business in the modular construction industry. He’s been the Central West Regional Manager for Porta-King for the last 15 years. When he’s not managing sales for this region, he enjoys spending time with family and friends.

Region 61 - Pacific Coast (North)

Terry Hatfield
15810 SW Kingfisher Lane
Beaverton, OR 97007
Phone: 503-468-5077


A native Oregonian, Terry Hatfield has lived in coastal California, the Chicago area, and Louisville, Kentucky. He worked in a variety of sales and management positions for retail and manufacturing companies before joining Porta-King 14 years ago. Currently he acts as Porta-King’s Pacific Northwest Regional Manager. He’s happiest spending time with his grandkids. He also enjoys hiking, skiing, woodworking and photography.

Region 61 - Pacific Coast (South)

Mark Alexander
4335 Sweetbriar
Ventura, CA 93003
Phone: 805-470-1942


Mark Alexander, Porta-King’s Pacific Coast Regional Manager, has been with us since 1997. He’s a graduate of Long Beach State University and has held sales positions in engineering, manufacturing and construction firms. Originally from Chicago, Mark enjoys outdoor activities like biking, skiing and hiking.

Region 62 - Midwest Central

Dan Maras
9050 Horizon Drive
Shakopee, MN 55379
Phone: 952-260-3961


Dan Maras has been with the Porta-King team for 25 years, acting as the Regional Sales Manager of the Upper Midwest Territory. Born and raised in Minnesota, he graduated with a Bachelor of Science degree from Bemidji State University where he majored in Industrial Technology. Dan now lives in Shakopee MN with his wife and two daughters. Dan’s hobbies include boating, hunting, cycling, golfing, snowmobiling and other outdoor activities. You can generally catch him having a favorite beverage with family and friends.

Region 64 - Mid Atlantic

Brian Sandusky
12431 Hillcreek Court
Midlothian, VA 23112
Phone: 804-368-6139


Born in Mt. Holly, New Jersey, Brian Sandusky grew up in Louisville, Kentucky and worked in the oil fields in central Texas before joining our industry. He’s been with Porta-King for over 18 years and currently works as the Mid Atlantic Regional Sales Manager. Brian is the father of four boys and one girl. He enjoys most sports, particularly golf.