A comprehensive list of Signal Hill, CA based civil, mechanical, electrical, chemical, structural and environmental engineering companies. Read unbiased customer reviews and recommendations of local consultants. 
Ziegel Engineering is a major manufacturer of sheet metal parts. We use quality materials, take pride in our workmanship, and use cost effective engineering. Products we manufacture are designed for long service and reliability. We specialize in heavy duty cases and containers that are very lightweight and durable.
Joe Rodriguez — Since 1973 Ziegel Engineering is a major manufacturer of sheet metal parts. We use quality materials, take pride in our workmanship