Sisk Gratings, Inc. Founded in 1984 Sisk Gratings Inc. has continuously been committed to providing the highest quality grating, and most outstanding service to our customers. Our commitment to excellence, combined with precise detailing, competitive pricing, and our reputation for on-time shipping has resulted in unparalleled customer satisfaction. Today, we operate under a 30,000 square foot facility in Houston, Texas, and continue the tradition of providing high quality products and services. Our core staff averages over 40 years of grating experience, happy to assist with your grating needs, we can make helpful recommendations to ensure your next project is executed exactly how you envisioned it.