Cartell is a Shippensburg, Pennsylvania manufacturer whose story began in 1975 with the industry’s first vehicle-detection system based on magnetometer technology. Today, the company builds its systems entirely in-house and tests every product multiple times before packaging, serving homeowners, security professionals, and property managers who need reliable notice when a vehicle enters a driveway.
Valentine Research, IncCincinnati-based Valentine Research designs, manufactures, and sells the Valentine One radar-and-laser detector directly to drivers. President Mike Valentine has been engineering radar-warning products since the original Escort Radar Warning Receiver in 1976, and the company still repairs its detectors by hand at its Cincinnati factory, keeping parts for units built since the early 1990s. Its signature innovation is the Radar Locator, which uses directional arrows to show whether a threat is ahead, beside, or behind the vehicle.CINCINNATI, OH
ALERT Safety ProductsSince 2004, Cincinnati-based ALERT Safety Products has designed and manufactured custom forklift and pedestrian warning systems for plants and warehouses. Its microwave-sensor technology detects approaching vehicles at blind corners, intersections and doors, activating devices such as the Mirror ALERT or Project ALERT while ignoring traffic moving away. The company grew from a request to warn high-mast forklift operators about low-bay doors and continues to shape systems around customer layouts and traffic patterns.CINCINNATI, OH
JAMAR TechnologiesJAMAR Technologies traces its roots to 1978, when James Martin founded the JAMAR Sales Company as a distributor before building its own equipment to give customers more direct service and support. Based in Pennsylvania, the company now serves public and private agencies worldwide with traffic data collection and distance-measuring equipment, backed by more than 45 years in the field.334514HATFIELD, PA