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In the world of access control security and turnstile installations Modular Security Systems Inc. has met the needs of customers world wide. In an effort to improve site security throughout the industrial construction, refining, and power generation business sectors securedbyMAC is stepping up its operation.

After recently expanding the manufacturing complex for its turnstile, modular access control (MAC) Portal MSSI sees only bright things in the future. Recieving new purchase orders and sending out estimates worldwide the growth of MSSI is expected to continue to shine.

As the popularity of Modular Security Systems Inc. grows so does it's MAC Portals. MSSI has a product line of standard turnstile products. Visit our Products Page, but is also in the business of custom modifications. To request information on both permenant turnstile MAC products and custom modifications visit us online at or at our contact us page.

For all you're turnstile and access control needs visit us online at