Teklab, Inc.: Detailed Company Information & Corporate Profile
Summary
Teklab, Inc. is an independent environmental laboratory headquartered in Collinsville, Illinois, serving the Greater St. Louis Metropolitan Area since its founding in 1982.
The company specializes in Eco Management services, offering comprehensive testing across multiple media including wastewater, soil, air, drinking water, stormwater, petrochemical products, and specific contaminants such as mercury and PFAS/PFOS compounds.
With a workforce of 200‑500 employees and annual revenue between $10 million and $50 million, Teklab supports clients through rigorous environmental analysis and laboratory services. Leadership is guided by Vice President Patrick Riley, Laboratory Director Robert Henson, Sales Executive Sherri Jones, Technical Support Representative Eric Footen, and Customer Service Director Elizabeth Hurley, among others who ensure quality assurance and field service excellence across the organization.
| Teklab, Inc. Website | teklabinc.com |
| Social Links |    |
| Phone Number | (618) 344-1004 |
| Industries | |
| Teklab, Inc. Headquarters Address | 120 United Dr, Collinsville, Illinois, 62234 US |
| Company Size | 200-500 employees |
| Specialities & Services | Environmental testing, wastewater testing, soil testing, air testing, drinking water testing, Stormwater testing, petrochemical testing, Mercury in air, PFAS, PFOS, PFAS/PFOS, Environmental Laboratory, Environmental Analysis, water testing |
| SIC Code | 5990 |
| DMA Code | Greater St. Louis Metropolitan Area |
| Founded | 1982 |
| Estimated Annual Revenue | $10M - 50M |
| Operating Status | Independent Company |
| Updated: | 2026-09-16 |
Estimated Website Traffic
The chart shows a growth in traffic to the teklabinc.com website. In August, traffic increased to 821, compared to 780 in the previous month. The highest traffic in 2026 was recorded in August, reaching 821 visits.
Workforce Turnover
Number of employees switched from or switched to
Departmental sample breakdown
Length of Employment
Teklab, Inc.'s workforce includes employees across a wide range of tenure levels.
6% have been with the company for 1 to 2 years9% have been with the company for 3 to 4 years11% have been with the company for 5 to 7 years14% have been with the company for 8 to 10 years60% have been with the company for more than 11 years
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Teklab, Inc. Corporate Information: FAQ
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