534 East First Street, Warren, IN 46792
Call us at 1-800-258-2415

Our Company

precision ag, precision agriculture, precision agriculture equipment, precision ag machinery

The Daugherty Companies, Inc. consist of four operating divisions, each dedicated to specific operations and services with the primary focus being agriculture.

Vanguard Systems

A manufacturer and distributor of electronic monitors, controls and custom wiring harness for agriculture. Our products are sold throughout the continental United States and Canada.


Installation, Service and Support of Precision Ag Equipment in Northeast Indiana.

Alliance Group Technologies

We focus on High-Mix, Low to Medium Volume (HMLV) production, and quick-turn circuit card assemblies (CCAs); Custom cables and wiring harnesses; Mechanical box builds and build-to-specification test equipment; Rework and repair of CCAs and cables/wiring harnesses.


Online store specializing in hard to find electronic connectors and parts for precision agriculture.