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HomeAgenciesCOSA
Local GovernmentcivilianTexas

City of San Antonio

COSA

San Antonio is the seventh-largest city in the US and the fastest-growing, spending $2B+ annually on construction, IT, utilities, and professional services. CPS Energy and SAWS (San Antonio Water System) are major independent buyers alongside city departments.

$2B+
Annual Contract Spend
$3B+
Annual Budget
20%
Small Business %
Get COSA Contract Alerts →Browse Live Tenders

Set-Aside & Small Business History

City of San Antonio historically awards the following percentages of eligible contract dollars to small and disadvantaged businesses. These figures reflect agency performance against statutory goals and represent real contract opportunities for certified firms.

20%
Small Business
N/A
SDVOSB
N/A
WOSB
N/A
HUBZone
N/A
8(a)

What COSA Buys

City of San Antonio is an active buyer in the following categories. These represent the highest-volume procurement areas based on historical award data.

Construction
Water and utilities
IT systems
Professional services
Facilities management
Transportation

How to Get on COSA's Radar

The contractors who win COSA contracts consistently aren't just responding to solicitations — they're known quantities before the solicitation is published. Here's how to build that position.

1

Register as a San Antonio vendor at sanantonio.gov/Finance/Purchasing

2

Apply for San Antonio Small Business Economic Development Advocacy (SBEDA) certification

3

Contact the San Antonio SBEDA office for vendor outreach and matchmaking

4

Monitor San Antonio solicitations at sanantonio.gov/Finance/Purchasing for active RFPs

Target CPS Energy and SAWS for utilities contracts — each has independent procurement

Key Programs & Contract Vehicles

01SA Tomorrow infrastructure plan
02San Antonio Water System (SAWS) capital
03CPS Energy transmission and distribution
04VIA Metropolitan Transit capital
05San Antonio airport capital program

Top NAICS Codes at COSA

These NAICS codes represent the highest-volume procurement categories at City of San Antonio. Register these codes in your SAM.gov profile to appear in agency vendor searches.

236220Commercial and Institutional Building Construction
$2.5M avg →
237310Highway, Street, and Bridge Construction
$5.2M avg →
237110Water and Sewer Line Construction
$3.1M avg →
541512Computer Systems Design Services
$1.8M avg →
541611Management Consulting Services
$1.4M avg →
561210Facilities Support Services
$1.2M avg →

Frequently Asked Questions

How do I register as a vendor with COSA?

San Antonio vendor portal + SBEDA certification. Ensure your SAM.gov registration is active and includes the NAICS codes that match City of San Antonio's primary procurement categories before reaching out directly.

What certifications help with COSA contracts?

City of San Antonio awards 20% of eligible contract dollars to small businesses. All applicable SBA certifications are recognized.

What does COSA spend on contracts annually?

City of San Antonio spends approximately $2B+ annually on contracts. The total agency budget is $3B+, with procurement representing the contract-deliverable portion of that spending.

How do I find active COSA solicitations?

Monitor SAM.gov and filter by City of San Antonio as the contracting agency. Set up email notifications for your NAICS codes from this agency. BidEdgeHQ monitors SAM.gov and state portals in real time, scoring every COSA solicitation against your ICP profile and delivering WhatsApp alerts for high-match opportunities.