Mobile Industrial Safety Supplies Inc. is conveniently located in Northwest Houston near the intersection of Hwy 290 and Beltway 8. For Sales and Customer Service please call 1-800-333-6477, our office hours are Monday-Friday 8:00 am – 5:00 pm CST. Our email is open 24/7 to receive your inquiries, however, if received outside of business hours, we will return your email the next regular business day. Use the map below to find our world headquarters where we have been providing quality products at competitive prices since 1970. We look forward to serving you.