1. Signal Service Inc. 2440 Glendale Ln, Sacramento, CA 95825 Coordinate: 38.598003,-121.404884 Phone: (530) 622-0841
2. Pepperl & Fuchs 3323 Watt Ave, Sacramento, CA 95821 Coordinate: 38.626114,-121.38304 Phone: (916) 489-9140