Those who wish for heat and power can wish upon a star -- Star Gas Partners. The company is the nation's largest retail distributor of home heating oil. Its Petro Holdings subsidiary provides heating oil and propane to 416,000 customers in the US Northeast and Mid-Atlantic. The company sells home heating oil, gasoline, and diesel fuel to 48,000 customers on a delivery only basis, and provides HVAC and ancillary home services, including home security and plumbing, to 11,500 customers. Investment firm Kestrel Energy Partners controls the general partner of Star Gas Partners.