Allstate Tower, Inc. is a Pittsburg Tank and Tower Group Company. We partner with you to address complex and multi-vendor pro ... jects confidently, so you can take on greater challenges than even before. Family owned and operated since 1919, and one of only a handful of manufactures certified Drug-Free and SHARP compliant by OSHA, we have a design-build business model for storage tanks, telecommunication and broadcast towers, along with support systems for various industries around the globe. In addition to our manufacturing capabilities we have maintenance crews available throughout the United States and abroad ready to address your tank and tower maintenance needs. Structure. And Integrity. read more