David A. Petina

Electric vehicles

Electric vehicles

Year unknown Martin Hersch and David A. Petina

Fuses & circuit breakers

Fuses & circuit breakers

Year unknown Edward Hester, David A. Petina, and Michael Murphy

Insulation

Insulation

Year unknown Mary F. Babington, David A. Petina, Rebecca L. Friedman, and Lori L. Mort

Lighting fixtures & lamps

Lighting fixtures & lamps

Year unknown Mary F. Welch, David A. Petina, Tonia Ferrell, and Joseph F. Healey

Machine tools

Machine tools

Year unknown Mary F. Babington, David A. Petina, Tonia Ferrell, and Joseph F. Healey

Millwork

Millwork

Year unknown Mary F. Babington, David A. Petina, Tonia P. Bell, and Margaret K. Strekal

Natural gas & other alternative f...

Natural gas & other alternative fuel vehicles

Year unknown Martin Hersch and David A. Petina

Outdoor furniture & grills

Outdoor furniture & grills

Year unknown Edward D. Hester, David A. Petina, and Carrie A. Quinlan

Passive components

Passive components

Year unknown Edward Hester, David A. Petina, and Michael Murphy

Plastic & other pipe

Plastic & other pipe

Year unknown Mary F. Babington, David A. Petina, Dawn J. Trebec, and Joseph F. Healey

Plastic windows & doors

Plastic windows & doors

Year unknown Mary F. Babington, David A. Petina, Margaret K. Strekal, and Dagfinn Senturia

Private companies

Private companies

Year unknown Mary F. Babington and David A. Petina

Private companies in passive comp...

Private companies in passive components

Year unknown Mary F. Babington, David A. Petina, and Margaret K. Strekal

Private companies in the lighting...

Private companies in the lighting fixture and lamp industry

Year unknown Mary F. Babington and David A. Petina

Private companies in the plumbing...

Private companies in the plumbing products industry

Year unknown Mary F. Babington and David A. Petina

Private companies in the security...

Private companies in the security products industry

Year unknown Mary F. Babington, David A. Petina, and Rebecca L. Friedman

Roofing

Roofing

Year unknown Mary F. Babington, David A. Petina, and Tonia P. Bell

Thermoplastic compounding by inde...

Thermoplastic compounding by independents

Year unknown William P. Weizer and David A. Petina