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Our History:

  • Offen Petroleum, Inc. began as Reedy Coal and Fuel Company in the late 1930’s. In 1967 Jim and Ester Offen purchased the company and changed the name to Offen Inc., a fuel and lubricants distributorship as well as a small real estate developer.

  • In 1977 Offen Inc. was purchased by Jim Eichenberger, Jack Shupe, and Fred Ashley and was incorporated under the name Offen Petroleum, Inc. in 1988.

  • In 1992 Jim Eichenberger became sole owner of Offen Petroleum, Inc. and hired Leo Gallagher as operating manager.

  • In January 1997 Bill Gallagher and Gwen Gallagher Stukey purchased Offen Petroleum, Inc. from Jim Eichenberger and established Offen as one of the premier Texaco fuel and lubricants distributors along the Front Range of Colorado.

  • In 2000, Offen adds Phillips 66 fuels to their family of partners with the opening of their first branded Phillips 66 retail outlet in Niwot, Colorado.

  • In 2001 Offen expands to the Northern Colorado area with a branch in Greeley and two unbranded gasoline retail outlets in the fast growing communities of Eaton and Greeley: U Fill It Greeley and U Fill It Eaton.

  • In 2003, Sinclair fuels become the newest addition to Offen’s family of brands with the rebranding of one convenience store and one diesel cardlock to the Sinclair brand.

  • Offen chooses Shell lubricants as a new branding partner adding the popular Rotella and Aeroshell brands to their offerings.

  • In December 2003 Offen becomes a Conoco fuel distributor teaming with Colorado’s premier brand for the first time.

  • Blue Sun Biodiesel and Offen team up for the grand opening of first retail outlet for Biodiesel within the city limits of Denver with Mayor Hickenlooper on hand on May 19, 2004.
  • 2012 Offen partners with Valvoline to carry their full line of Commercial and Industrial lubricants.
  • May of 2012 Offen Petroleum, Inc. moves to their new headquarters at 5100 E 78th Ave.  Consolidating their entire wholesale fuel, fleet and lubricants operations onto one 5 acre parcel.
  • Offen adds Total Lubricants to the supplier line-up in October of 2013...carrying their full line of C&I as well as passenger car motor oils.
  • July of 2015 Offen purchases Riggi Oil of Commerce City.  Adds a local wholesale fueling business as well as a Commercial Fueling facility to their retail locations at 6795 Brighton Blvd in Commerce City.
  • July of 2016 Offen purchases the building and land adjacent to their headquarters at 5200 E 78th  Avenue to house the transportation division of Offen, and to begin in-house maintenance of their fleet of trucks.
  • Offen adds the full BP Castrol product line to their lubricants offering
  • December 2017 - Lariat Partners, a Denver-based private equity firm, makes a significant investment in Offen Petroleum. "The strategic investment that Lariat Partners has made in our company will continue to fuel our growth," states Bill Gallagher, Offen Petroleum's CEO. "We have consistently grown over the past 20 years and this investment from Lariat will allow us to continue expanding into new markets through both greenfield locations and strategic add-on acquisitions."
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