Technical Investigative Services

South Dakota
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Pierre
Rapid City
Sioux Falls

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Technical Inv. Services
3801 S. Kiwanis, Suite 3
Sioux Falls, SD 57105

Phone: (605)335-6800

Email: info@tech-inv.com

Technical Investigative Services
3801 S. Kiwanis, Suite 3
Sioux Falls, SD 57105

Phone: (605) 335-6800 (Available 24/7)
Fax: (605) 335-8960
Email: info@tech-inv.com

Chris D. Rallis
President & Director of Investigations
cdrallis@tech-inv.com

Michael C. Rallis
Assistant Director of Investigations
mcrallis@tech-inv.com

Technical Investigative Services - 3801 S. Kiwanis, Suite 3 | Sioux Falls, SD 57105 | (605) 335-6800