Piston Raises $15M in Series A Funding

Piston is building out its US fuel-payment network and adding transaction controls that help fleet owners spot unusual spending before payment completes.

Round size
$15M
Stage
Series A
Headquarters
United States
Announced
Sep 10, 2026

Control at the pump

Mobile authorization is integrated with the merchant’s point of sale. Fleet operators see fuel purchases as they happen, with spending tied to the driver and vehicle. Piston Guard can flag or block suspicious transactions; an analytics agent helps examine spending patterns.

Extending the station network

The Cupertino company operates at more than 2,000 stations across 48 states. It plans to deepen coverage across every US region over the next 18 months, develop its products and hire senior leaders.

Where the funding goes

  • US payments-network expansion
  • Product development
  • Senior leadership hiring

Sources

  1. Piston: funding announcement
  2. Entrackr: Series A coverage
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