Kastle, with over 475 employees, secures, from its offsite operations centers, more than 1,800 properties encompassing 316 million square feet of office space in the United States and Australia. Kastle, headquarted in the Washington, D.C. area, also serves its clients through regional offices in New York, Los Angeles, Houston, Dallas, Philadelphia, Chicago, and Sydney, Australia.

A. Gene Samburg, founder and chief executive officer of Kastle, who will continue to head the company, says: "Kastle is a pioneer in electronic security systems that provide vital and unparalleled services to our clients. By completing this transaction with Mark Ein, who has a strong track record of growing successful and innovative companies, Kastle will provide new products and higher levels of service to our existing clients and to new clients in new markets. Mark adds capital, energy, experience, and a dedication to Kastle's long-term growth."

Mark Ein, who is also the founder and chief executive officer of Venturehouse Holdings, LLC says: "Over the last 34 years, Kastle has grown steadily and profitably, with sales growing at a compounded annual rate of 20.1% over its lifetime, to become one of the pre-eminent building security systems providers in the United States. With security concerns fueling increased demand for expert security services, we look forward to Kastle growing and expanding to meet our clients' urgent needs not only in the United States but also internationally."

"Gene and I have told Kastle's employees exactly what the plan is going forward: greater growth in the company, more investment in domestic and foreign markets, and continuity in Kastle's leadership and service for our private sector and government clients." Mark continues.