SDI Joins ISNetworld to Enhance Safety, Compliance Requirements

CHICAGO, April 18, 2014 – SDI (System Development Integration, LLC), a national systems integrator specializing in advanced technologies for security and critical infrastructure, announces that it has joined ISN’s online contractor management database, ISNetworld.

ISNetworld collects health, safety, procurement, quality and regulatory information designed to meet governmental record keeping, regulatory, and client requirements. As a contractor member, SDI joins a centralized prequalification database accessible by hundreds of potential clients. SDI offers comprehensive security and IT systems solutions to its client base, which often include regulated electrical and mechanical services.

“SDI considers safety and proper conformance with our client’s requirements a top priority,” states Dana Bailey, Market Operations Manager at i-sys, an SDI Company. “Not only does ISN enhance our compliance program, but we are looking forward to leveraging the large ISN network as we scale ourselves in several markets.”

SDI specializes in complex technology systems and infrastructure for critical infrastructure-intensive environments, and boasts a client roster that includes some of the nation’s largest airport systems, water utilities, toll authorities, public school systems, 911 centers, and public transit systems. SDI is capitalized by LLR Partners, a private investment firm with more than $2 billion under management, to fund its continued growth. SDI recently added security integrators i-sys, Corp and X7 as portfolio companies, establishing SDI as a $70M systems integrator with over 1,100 clients throughout the U.S.

About SDI (System Development.Integration, LLC)

Systems integrator SDI and its companies (i-sys and X7) deliver advanced technology systems and services for critical infrastructure and campus environments. With a 25 year corporate resume, SDI provides vendor-independent advisory services, technology delivery and SmartSourcingSM managed services to critical environments to achieve higher levels of security, improved performance and lower operating costs. From 911 centers to airports to transportation agencies, SDI delivers the deep technical expertise and complex systems’ past performance of a national, top-tier systems integrator, with an agile, local delivery model focused on complete customer satisfaction. Visit us at and follow us on LinkedIn: SDI (System Development.Integration, LLC) and Twitter: @SDIisTHERE. Visit us at and follow us on LinkedIn: SDI (System Development.Integration, LLC) and Twitter: @SDIisTHERE.

For media inquiries, please contact:
Dawn Nash Pfeiffer, SDI
Chief Marketing Officer