Aircraft & Commercial Enterprises, Inc.

Aldon Company, Inc.

Ameresco Solar

Apex Rail Automation

ARMS, Inc.

Arthur N. Ulrich Company

C-Can Power Systems, Inc.

Control Chief

Harger Lightning & Grounding

iCom America

J & A Industries

Jaychris Indus-Rail Supply Inc.

L&W Industries, Inc.

National Railway Supply, LLC.

PTMW Inc.

Rails Company

Railway Equipment Company

S & C Distribution Company

Schaefer, Inc.

Siemens Mobility, Inc.

Southern Technologies Corp

Tracsis

Tunnel Radio of America, Inc

Twinco Mfg. Company, Inc.

Universal Rail Systems

Western-Cullen-Hayes, Inc.