David Olsen

CFO

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605-203-4242

Sioux Falls, SD
Corporate Office
605-203-4242
4105 N Lewis Ave.
Sioux Falls, SD 57104
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Sioux City, IA
712-224-6161
2100 Business Hwy. 75 N
Sioux City, IA 51105
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Rapid City, SD
605-250-0477
1865 Samco Rd.
Rapid City, SD 57702
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Spencer, IA
712-262-1206
3905 4th Ave. W
Spencer, IA 51301
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Plumbing #88

HVAC #157

Contractor #LWD-IA-E0102-87-970C