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How to Become a Member

To become a Member and participate in purchasing through HGACBuy, you must:

The Member warrants that both requirements are fulfilled by execution of an Interlocal Contract (ILC).

Types of Participating Members:

  • Municipalities, Cities, Counties and State Agencies
  • Councils of Government
  • Schools, School Districts, Colleges, Universities
  • Hospitals and Hospital Districts
  • Emergency Medical Services and Services Districts
  • Volunteer Fire Departments and Rural Fire Prevention Districts
  • Special Law Enforcement Jurisdictions
  • Judicial Courts & Districts
  • Emergency Communications Districts
  • Utility Districts (MUDs, WCIDs, Irrigation, etc.)
  • Special Districts
  • Authorities (Airport, Port, River, Water, Toll Road, etc.)
  • State Agencies
  • Not-for-Profit Corporations [501(c)(3)] providing government function or service
Program Statutes


Steps for Completing and Executing the ILC

Step 1

Complete the Interlocal Contract Form *(This step will only need to be completed once.)

Step 2

Print or Save the completed ILC form.

Step 3

Secure a signature by an individual with authority to contractually bind your entity.

Step 4

Deliver the signed copy of the ILC to HGACBuy via email, fax, or mail (See details below).

If you require a contract original, print and sign two (2) contracts.

Step 5

H-GAC will execute the contract and return a copy to you electronically.

[email protected]


H-GAC Cooperative Purchasing Program
P.O. Box 22777
Houston, TX 77227-2777

Special Requirements for Non-Profit Corporations

Qualifying non-profit corporations providing one or more government services (e.g. Volunteer Fire Departments, Emergency Medical Services) must also submit the following items together with the ILC documents:

  • Copy of 501(c)(3) Form
  • Copy of Charter and By-Laws highlighting section(s) demonstrating that your organization performs a governmental service.
  • Certification of the governmental service(s) that your organization performs. (Form included in the Non-Profit ILC)

Join us for a Contractor Orientation Webinar

The orientation will discuss:

  • Our cooperative environment
  • Requirements for Member participation
  • Preparing Contract Pricing Worksheets
  • Purchase orders and Order Confirmations
  • Quarterly Activity Reporting

Join us for a Virtual Open House - Consulting & Staffing Services

It will begin at 10:00 AM Central Time.

Description: The Open House is a convenient opportunity for members, potential members, partners, vendors, and staff to assemble and communicate virtually, while learning about specific products/services offered through our contracts and the benefits of participating in The HGACBuy Cooperative Purchasing Program.

This event will highlight the following HGACBuy contracts:

  • CP04-20: Community Planning Services
  • MC12-19: Marketing, Public Relations, & Event Planning Services
  • OM03-21: Office Management Software Solutions
  • TS06-21: Temporary Staffing, Direct-Hire and Other Employer Services

Join us for an HGACBuy Member Orientation

The HGACBuy Member Orientation will:

  • Give an overview of HGACBuy
  • Explain the advantages of using HGACBuy
  • Review the HGACBuy Order Process
  • View useful resources on the HGACBuy Website

Member orientations are scheduled monthly for your convenience.