Three Rivers High School 2378 Nicolaus Ave Trowbridge, CA 95659 Phone : (530) 656-1421 California Industrial Systems 2363 Nicolaus Ave Trowbridge, CA 95659 Phone : (530) 656-2218 Hub Concrete Steel & Accessories 2566 Nicolaus Ave Trowbridge, CA 95659 Phone : (530) 656-2356 East Nicolaus High School 2454 Nicolaus Ave Trowbridge, CA 95659 Phone : (530) 656-2255 Koshmans Steel Service 2566 Nicolaus Ave Trowbridge, CA 95659 Phone : (530) 656-1070 Sutter County Road Comm 2560 Pacific Ave Trowbridge, CA 95659 Phone : (530) 656-2314 South Sutter Water District 2464 Pacific Ave Trowbridge, CA 95659 Phone : (530) 656-2242