Geotek Engineering & Testing Services Inc

Oct 31, 2025 8:25 PM

909 East 50th Street North
Sioux Falls, SD (South Dakota) 57104-0601
(605) 335-5****

Business Details

27 years Since 1988 Ralph Lindner (Owner) (605) 335-0773 (Fax) (800) 354-5512 (Toll Free)

Services:	Construction Sites, Consultations, Consulting, Petroleum, Remediation, Testing, Support
Specialties:	Indoor Air Quality, Iaq
Professionals on Staff:	Environmental Engineers, Geotechnical Engineers
General Content:	149370Attr:indoor Air Quality Services, Asbestos Services, Lead Based Paint Services, Mold Services
Sales Volume:	2M - 5M
Employee Size Range:	20-49
Franchise/Chain:	Standalone
Fortune 500:	No

Additional Categories

Geotek Engineering & Testing Services Inc is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

Engineers Environmental
Environmental Conservation & Ecological Services
Laboratories Testing Air Analysis
Lead Detection & Removal
Mildew Removal & Control
Testing Laboratories

North American Industry Classification System (NAICS) Categories:

Engineering Services > Engineers Environmental
Testing Laboratories > Laboratories Specialty Testing > Laboratories Testing Air Analysis
Other Services To Buildings And Dwellings > Maintenance Cleaning & Sanitation > Mildew Removal & Control
Remediation Services > Gas Detection, Asbestos & Lead Contractors > Lead Consultants
Administration Of Air And Water Resource And Solid Waste Management Programs > Environmental Conservation & Ecological Services

Standard Industry Classification (SIC) Categories:

Special Trade Contractors, Nec > Gas Detection, Asbestos & Lead Contractors > Lead Detection & Removal
Building Cleaning & Maintenance Services, Nec > Maintenance Cleaning & Sanitation > Mildew Removal & Control
Engineering Services > Engineers Environmental
Testing Laboratories > Laboratories Specialty Testing > Laboratories Testing Air Analysis
Air And Water Resource And Solid Waste Management

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