Allied Universal CEO Steve Jones

Allied Universal CEO Steve Jones

Santa Ana’s Allied Universal, the largest private security firm in North America, has acquired Advent Systems Inc. to expand its technology offerings. Terms weren’t disclosed.

Elmhurst, Ill.-based Advent is an integrator of IP video, access control, structured cabling and audio/visual systems with annual revenue exceeding $42 million and 125 employees.

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“Adding Advent Systems helps us grow strategically and geographically especially within the Chicago market,” Allied Chief Executive Steve Jones said in a statement. “We are excited to continue our strategy of expanding our technology division in order to offer highly advanced solutions for our clients.”

Allied, which generates more than $7 billion annually, has more than 200,000 employees.

Advent Systems was represented by Stifel in the transaction.