| Company | Category | Area | Address | Web | E-mail | Contact person |
| INTERSTATE POWER SYSTEMS | Wholesale Industrial Equipment | South Dakota | 801 E 54TH ST N, SIOUX FALLS, Minnehaha, South Dakota, 57104-0644, USA |
- |
- |
Dutch Van Santen |
| INTERSTATE POWERSYSTEMS | Engines-Diesel (Wholesale) | South Dakota | 801 E 54TH ST N, SIOUX FALLS, Minnehaha, South Dakota, 57104-0644, USA |
www.istate.com |
- |
Doug Van Santen |
| INTERSTATE PRORATE | Frt Transp Arrange | South Dakota | 23040 HISEGA RD, RAPID CITY, Pennington, South Dakota, 57702-8620, USA |
- |
- |
KEITH CONRAD |
| INTERSTATE PRORATE & INSURANCE | Truck-Permit Service | South Dakota | 900 E OMAHA ST, RAPID CITY, Pennington, South Dakota, 57701-1611, USA |
- |
- |
Keith Conrad |
| INTERSTATE SATELLITE SVC INC | Consumer Elect Eq Nec | South Dakota | PO BOX 1008, CLEAR LAKE, Deuel, South Dakota, 57226-1008, USA |
- |
- |
- |
| INTERSTATE TELECOM COOP ASSN | Telephone Communications | South Dakota | 14 E 7TH AVE, WEBSTER, Day, South Dakota, 57274-1430, USA |
- |
- |
Conny Sawinsky |
| INTERSTATE TELECOMMUNICATION | Telephone Comm | South Dakota | 107 2ND AVE NW, CLARK, Clark, South Dakota, 57225-1406, USA |
- |
- |
JERRY HEIBERGER |
| INTERSTATE TELECOMMUNICATION | Telephone Companies | South Dakota | 107 2ND AVE NW, CLARK, Clark, South Dakota, 57225-1406, USA |
- |
- |
Jerry Heiberger |
| INTERSTATE TELECOMMUNICATION | Telephone Companies | South Dakota | 312 4TH ST W, CLEAR LAKE, Deuel, South Dakota, 57226-4102, USA |
www.itc-web.com |
- |
Jerry Heiberger |
| INTERSTATE TELECOMMUNICATIONS | Telephone Comm | South Dakota | 14 E 7TH AVE, WEBSTER, Day, South Dakota, 57274-1430, USA |
- |
- |
JERRY HEIBERGER |
