Founded in 1977, Sentinel Systems builds access-control hardware and management software specifically for self-storage operators. Its operator-focused platform brings together facility management, connected security equipment and self-storage websites, with a team that includes former storage operators, engineers and support technicians. Sentinel has served the industry for more than four decades and continues to support both independent owners and multi-facility portfolios.
Galaxy Control SystemsEstablished in 1974, Galaxy Control Systems designs, manufactures, and assembles access-control hardware and software in the United States. Its System Galaxy platform spans on-premise and cloud management, while the company supports installations worldwide through a trained dealer network and 24/7 U.S.-based technical support. Galaxy grew from Digital Systems Corporation, an award-winning defense contractor whose surveillance and tracking system was developed for the U.S. military.WALKERSVILLE, MD
Key Systems, IncFounded in 1983, Key Systems, Inc. designs and manufactures American-made systems that secure, track, and audit keys and other critical assets. Based in Fishers and Victor, New York, the company pairs electronically controlled cabinets and lockers with its GFMS software, while offering custom layouts for facilities with unusual storage needs. Its long-running focus on key accountability extends from Tamper-Proof Key Rings to large, network-enabled asset-control installations.VICTOR, NY
Datum Storage SolutionsThe Potter family has owned and operated Datum Storage Solutions since Frank Potter founded the company in 1968 in his Long Island basement. Today, its York, Pennsylvania facility manufactures high-density storage systems for organizations that need to organize and secure important materials, with more than 40,000 installations behind it. The company provides design and installation support and backs its products with a lifetime warranty.EMIGSVILLE, PA
O'Brien SystemsFounded in 1979, family-owned O’Brien Systems designs and delivers custom storage and retrieval systems for organizations across the Philadelphia area. The company’s work ranges from high-density mobile storage to specialized museum collection systems, with consultation, implementation and post-installation support handled by a team that includes three O’Brien family members and a granddaughter of the founder. O’Brien Systems has provided storage solutions for more than 45 years, including over 3,000 high-density systems designed by vice president Michael O’Brien.CONSHOHOCKEN, PA