Clark Testing
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We are a quality driven company, functioning as an extension of our customers’ engineering, product development and R&D staff to meet the technical challenges and schedule demands of the product development process. We provide our clients with independent, objective, and competitively priced solutions to their testing needs. You will find that we are dedicated to delivering premium value to client
06/09/2026
Petroleum coke quality impacts fuel value, compliance, performance, and profitability.
Clark Testing delivers independent, ASTM-compliant testing for sulfur, BTU, moisture, ash, HGI, trace metals, and more—helping you make confident operational and commercial decisions.
✔ Independent Third-Party Laboratory
✔ Fast Turnaround Times
✔ Trusted Results
📞 (412) 387-1001
🌐https://lnkd.in/gHR9b4EH
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Pittsburgh, PA
15025
Opening Hours
| Monday | 7am - 4pm |
| Tuesday | 7am - 4pm |
| Wednesday | 7am - 4pm |
| Thursday | 7am - 4pm |
| Friday | 7am - 4pm |
