North America Agriculture & Irrigation Representatives

DEMA sells to agriculture and irrigation distributors and manufactures through our company sales people (domestically and internationally) and a network of independent representatives in North America. For a listing of DEMA international locations and contacts click here. Below is a list of our North America representatives and their geographic areas.

National & international overall responsibility

Jeff Smith
Vice President Sales, Strategic Markets
Dema Global HQ
10020 Big Bend Blvd.
St. Louis, Mo 63122
Phone: 314-966-3533
Fax: 314-965-8319
Email: [email protected]

Oregon, Washington, Idaho, and British Columbia and Alberta Canada

Rob Meines
Cimco Sales And Marketing
2315 Inter Avenue
Puyallup, WA 98372
Phone: 253-845-4050
Mobile: 253-229-9923
Email: [email protected]


Tony Pereira
Advanced Water Products (AWP)
14500 W Commerce Way # 108
Kerman, CA 93630
Phone: 559-846-6569
Mobile: 559-559-259-0441
Email: [email protected]

Regional Sales Managers

Washington, Oregon, Nevada, Utah, California, Hawaii, Arizona and Western Canada

Kevin Treadwell
DEMA Ag Division Sales Manager
Mobile: 805-377-9115
Email: [email protected]

Idaho, Montana, Wyoming, North Dakota, South Dakota, Nebraska, Colorado, Alaska, Kansas, Oklahoma, Texas, New Mexico and Central Canada

Paul Janousek
DEMA Ag Division Sales Manage
Mobile: 805-320-4999
Email: [email protected]

Minnesota, Wisconsin, Iowa, Illinois, Missouri, Indiana, Michigan, Western Ohio, and Western Kentucky

Chuck Grinston
DEMA Ag Division Sales Manager
Mobile: 708-557-0156
Email: [email protected]

Eastern Ohio, Eastern Kentucky, West Virginia, Virginia, Pennsylvania, Maryland, Delaware, New Jersey, New York, Connecticut, Rhode Island, Massachusetts, Vermont, New Hampshire, Maine and Eastern Canada

Chuck Stevens
DEMA Ag Division Sales Manager
Mobile: 412-327-4400
Email: [email protected]

Arkansas, Tennessee, North Carolina, South Carolina, Louisiana, Mississippi, Alabama, Georgia, and Florida

Les Siler
DEMA Ag Division Sales Manager
Mobile: 704-905-3403
Email: [email protected]