Colman Headquarters
PO Box 216
47092 SD Hwy 34
Colman, SD 57017
Voice:  1-800-234-1960
605/534-3535
Fax: 605/256-1690
Pipestone Service Center
PO Box 336
1102 7th St. SE
Pipestone, MN 56164
Voice: 507/825-3342
Fax: 507/825-4835 
Brandon Service Center
PO Box 857
108 N. Heritage Rd.
Brandon, SD 57005
Voice: 605/582-2185
Fax: 605/582-3165 

 

Don Marker General Manager
Joel Brick Wireless Technical Director
Deb Sommers Director of Customer and Employee Relations
Edie Larsen Executive Assistant
Betty VanDerWerff Director of Finance and Accounting
Ted Smith Director of Engineering and Operations
Carrie Law Director of Communications and Government Relations
Brenda Schelhaas Manager of Customer Services
Carol Ackerman Manager of Marketing
Justin Moose Manager of Information Technology
Dave Ossefoort Manager of Purchasing & Materials
Ray DeJong Operations Manager (Minnehaha County)
Mark Wiese Operations Manager (Pipestone & Rock County)
Robin Savage Operations Manager (Moody, Lake & Brookings County)