GSA Schedule


Federal agencies may access HELIX Environmental Planning’s services through our General Services Administration (GSA) federal supply schedule, Contract No. GS-10F-0020V. HELIX provides GSA services under the Professional Services Schedule (formerly SIN 899-1, Environmental Planning and Documentation, and SIN 899-7, Geographic Information Systems [GIS]).


View HELIX’s GSA Catalog


Online access to contract ordering information, terms and conditions, up-to-date pricing, and the option to create an electronic delivery (GSA eBuy) order are available through GSA Advantage!™, a menu-driven searchable database system available at


Professional Services Schedule – Environmental Planning/Documentation and GIS Services

HELIX manages the environmental regulatory process and documentation requirements for both large-scale and small-scale programs. Specific services include:


National Environmental Policy Act (NEPA) Compliance


Endangered Species Act Compliance


Cultural Resource Management


Clean Water Act Permitting


Technical Environmental Analysis and Reports


Habitat Restoration and Revegetation 


 Geographic Information Systems

GIS is an essential tool for any decision-making process that involves a geographic or spatial component. HELIX specializes in environmental uses of GIS, with additional capabilities extending to many GIS, CAD and graphic applications. Our GIS experts are familiar with federal spatial data standards, including SFDSFIE and FGDC.

Other GSA Contract Information

Geographic Coverage: Domestic

Points of Production: Same

Payment Terms: Net 30 days

Government Purchase Cards: Accepted

Time of Delivery: Negotiable per Individual Task Order

FOB Point: Destination

Ordering Address:

HELIX Environmental Planning, Inc.

7578 El Cajon Blvd.

La Mesa, CA 91942

Payment Address: Same as above

DUNS Number: 82‐644‐6890

SAM Registration: Yes

NAICS Codes: 541620 (Environmental Consulting), 541690 (Other Scientific and Technical Consulting Services), 541990  (All Other Professional, Scientific, and Technical Services)