Jacksonville, FL

Philadelphia, PA

Cleveland, OH

Cdi Personnel Services, Inc.

Compdata Services Corporation

Lang Corporation

Cdi Aircraft Maintenance Personnel, Inc.

V.I.P. Engineering Company

Cdi Telecommunications, Inc.

Comprehensive Designers, Inc.

Stubbs Overbeck Constructors, Inc.

Philadelphia, PA

Interglobal Technical Services, Inc.

Mips Software Systems, Inc.

Baystar Service Corporation

Imi Contract Engineering Services, Inc.

Modern Engineering of Florida, Inc.

Washington Crossing, PA

Herzog-Hart Corp.