Letterle views its relationship with clients as a long-term partnership founded upon superior services, technical excellence, breakthrough thinking and an in-depth knowledge of their businesses. We commit to treating each and every client as the most important client we have and continually explore ways to enhance the value of our services.
Veteran Owned Small Business logo

January 2014
The U.S. Department of Veterans Affairs has designated Letterle & Associates' parent company (BranCor Holdings, Inc.) a verified Veteran-owned Small Business (VOSB) and added it to the Veteran business database at www.vip.vetbiz.gov. BranCor is owned and managed by Louis J. Letterle, who served in the Marine Corps prior to his career as a geologist and business entrepreneur. The company is eligible under this designation to participate in Veterans First Contracting Programs with the VA among other federal and state government contracting opportunities. Congratulations to Louis for making it through the rigorous screening process and for continuing to serve through small business ownership.

May 2013
Letterle is proud once again to sponsor the Western PA Environmental Awards Program to be held on May 23, 2013 at the Westin Hotel and Convention Center in Pittsburgh, PA. The program this year will honor five environmental award winners and feature the success of the Great Allegheny Passage bike trail that will link Pittsburgh to Cumberland, MD and then to Washington, D.C. For more information and to attend the event, visit the Pennsylvania Environmental Council website at www.pecpa.org

October 1, 2012
Letterle will participate in the Pennsylvania Petroleum Marketers & Convenience Store Association (PPMCSA) trade show in Hershey Pa, Oct. 1-3, 2012. Our marketing booth will feature information and materials regarding environmental consulting. Letterle employees will be on hand to answer questions and provide ‘free’ items for those in attendance.

August 27, 2012
Tim Kier - Project Manager of Letterle's Franklin office and decendent of Pittsburgh's first oil refiner, Samuel M. Kier (1813-1874) - will speak about environmental remediation in the petroleum industry as part of an energy symposium hosted by Drake Well Museum. The day-long event will begin at 9am, Monday, August 27 - the 153rd anniversary of the success of Edwin Drake's successful oil drilling in 1859.

July 10, 2012
David Gallogly, President of Letterle, was reappointed to the PA Storage Tank Advisory Committee (STAC) for another two-year term beginning August 1, 2012. The appointment was made by Secretary of the Pennsylvania Department of Environmental Protection, Michael L. Krancer. STAC was created by the Storage Tank and Spill Prevention Act to consist of no more than 17 members and to consult with PADEP on the formulation, drafting and presentation of all regulations promulgated under the act.

June 2012
As an active member of the Pennsylvania Environmental Council (PEC), Letterle will participate in the environmental awards dinner on June 28, 2012 at the Pittsburgh Westin Hotel and Convention Center.  We will join PEC and Dominion in recognizing the achievements of former Governor Tom Ridge and five other worthy recipients.

April 24, 2012
Letterle will display its marketing booth at the annual Handee Marts, Inc./7-Eleven Vendor Appreciation Trade Show at the Four Points Sheraton in Cranberry Twp., PA.

April 2012
Pennsylvania Underground Storage Tank Indemnification Fund has awarded several new competitive bids to Letterle to perfom remediation services at sites in Pittsburgh, Cecil, Hermitage, Uniontown, and Clearfield. The awards resulted from Letterle's corporate strategy to reduce costs and streamline the bid proposal process.


Engineers at Letterle conducted a pilot study to determine the feasibility of oxygen injection and the use of bioremediation at a petroleum release site in western Pennsylvania. To learn more about bioremediation and the R&D study, CLICK HERE.

Follow the story of how managers at Letterle oversee the installation of a monitoring well that is a single well then a deep well and finally a nested well by CLICKING HERE.

After a well is installed, Letterle experts explain how to properly develop the well in this presentation. CLICK HERE to read more.

Main Office
2859 Oxford Boulevard
Allison Park, PA 15101
Phone: 412-486-0600
Fax: 412-486-0674
Email: info@letterleassociates.com
Franklin Office
191 Howard Street, Suite 108
Franklin, PA 16323
Phone: 814-432-2167
Fax: 814-432-2632
Bellefonte Office
629 East Rolling Ridge Drive
Bellefonte, PA 16823
Phone: (814) 355-2241
Toll Free: 800-886-9954
Fax: (814) 355-2410