GSA Environmental Services Schedule

ERT, Inc. is a participant of the General Services Administration's (GSA) Environmental Services Schedule's pricelist (PES) for providing Electrical Engineering and Mechanical Engineering services. This is an Indefinite Delivery/Indefinite Quantity (ID/IQ) Government-wide Acquisition Contract (GWAC) vehicle. Through our GSA Environmental schedule contract, ERT, with a variety of extensively experienced electrical engineers, mechanical engineers, software engineers, and systems engineers, will be able to offer cost-effective Electrical Engineering-and Mechanical Engineering-related services.

What services we provide:

The following services are provided through our GSA Environmental Schedule, Special Item Numbers (SINs):

  • SIN 899-1: Environmental Consulting Services
  • SIN 899-7: Geographic Information Systems (GIS)
  • SIN 899-8: Remediation Services

How business is done with ERT

GSA has determined that the prices for services contained in our price list applicable to this Schedule are fair and reasonable. For supplies and services, the ordering procedures, information on Blanket Purchase Agreements (BPAs), and a sample BPA can be found at the GSA/FSS Schedule homepage (

Specific information applicable to ERT's GSA Environmental Services Schedule is as follows:

  • GSA schedule number (FSC Group): 899
  • GSA contract number: GS-23F-0196R
  • Performance period: 2/10/2005 - 8/7/2015
    (Two five-year option periods remaining, if exercised)
  • Contractor's ordering address: ERT, Inc., 14401 Sweitzer Lane, Suite 300, Laurel, MD 20707.
  • Contractor's payment address: ERT, Inc., 14401 Sweitzer Lane, Suite 300, Laurel, MD 20707.
  • Website:, Telephone: 240-554-0161, Fax: 301-361-0659
  • Type of contractor: Small Disadvantaged, Woman-Owned Small Business
  • Data Universal Numbering System (DUNS) number: 090770967
  • ERT is registered in the database
  • Contract administration: Jingli Yang
  • Maximum order limit per order/SIN: $5,000,000
  • Minimum order limit per order/SIN: $100
  • Geographic scope of contract: 48 contiguous states and the District of Columbia
  • For more information, please contact:

GSA Environmental Services Price List

The complete GSA Environmental Services Pricelist.