Aircraft & Commercial Enterprises, Inc.

Aldon Company, Inc.

Apex Rail Automation

ARMS, Inc.

Control Chief

Harger Lightning & Grounding

J & A Industries

Jaychris Indus-Rail Supply Inc.

L&W Industries, Inc.

Rails Company

Railway Equipment Company

S & C Distribution Company

SERRMI Products LLC

Siemens Mobility, Inc.

Tracsis

TransLight Corp.

Twinco Mfg. Company, Inc.

VELCORP/GEMS

Western-Cullen-Hayes, Inc.