2155 112th Avenue, Holland, MI  49424  USA
phone: 616.772.9011, fax: 616.772.4516

Tim LeTourneau
Director of Domestic Sales
ph 616.748.7630 cell 616.780.2671

Robert Bosgraaf
Director of Product Management
ph 616.748.7607 cell 616.510.1839

Michael Spring
Technical Sales Manager - Canada and Northern USA - Municipal
ph 616.748.7609

Keith Hamilton
Technical Sales Manager - Southern USA - Municipal
cell 205.275.5201

Marty Baldwin
Technical Sales Manager – USA East - Industrial
ph 609.693.1230 cell 616.510.0789

Elisebeth Haluch
Technical Sales Manager – USA West - Industrial
ph 616.748.2554 cell 412.298.8235

Paul Malik
Technical Sales Manager – USA Central - Industrial
ph 616.748.7608

David Shaw
Director of Sales – International 
ph 616.748.2557 cell 724.312.2775

Robert Mau
Product Manager - Centrifuge and Belt Press
ph 616.748.7612 cell 630.215.9656

Ken Fulmer
Product Manager - Filter Press
ph 616.748.7606

Gail Dorton
Administrative Assistant
ph 616.748.5590

Diane VanDyke
Aftermarket Sales Support
ph 616.748.7616

Keith Klingenberg
Customer Service Representative 
ph 616.748.2559

Jim Driesenga
Customer Service Representative 
ph 616.748.7617

Steve Weeks
Customer Service Representative 
ph 616.748.7615

Mike Brinks
Field Service Manager 
ph 616.748.7635

Bob Hamm
Testing Services Manager 
ph 616.748.7619

Judy Scheibach
Marketing Communications Manager 
ph 616.748.5588