Access the most comprehensive government business domain database for contractor research, federal agency discovery, and public sector intelligence. Download categorized government contractor websites, GSA schedule holder URLs, and agency domains.
Power your government contractor research, agency discovery, and public sector business development with comprehensive data.
The government contracting landscape spans thousands of federal agencies, state departments, and municipal organizations. Our government business domain database gives you instant access to over 125,000 categorized domains across defense contractors, GSA schedule holders, federal IT vendors, and more. Stop spending hours on manual research and start with verified, enriched government business data.
Whether you're identifying prime contractors, researching federal agencies, or mapping the public sector vendor landscape, our categorized database provides the foundation for winning government contracts and partnerships.
Government business ecosystem map showing domain distribution
"In federal contracting, intelligence is everything. Knowing who the key players are, their contract history, and their agency relationships gives you a decisive advantage in winning government business."
-- Federal Procurement Strategy Report, 2024Comprehensive coverage across all government and public sector segments.
Prime and subcontractors
DoD vendors and suppliers
Contract vehicle participants
State agencies and vendors
Local government providers
Federal technology vendors
How companies leverage our government business database for growth and intelligence.
Identify and analyze government contractors across federal, state, and local levels. Build comprehensive market maps and competitive intelligence for teaming arrangements and subcontracting opportunities.
Access complete federal agency domain listings including departments, bureaus, and offices. Understand organizational structures and identify key decision-makers for targeted outreach.
Map state departments and municipal organizations across all 50 states. Discover procurement opportunities at every level of government with comprehensive agency coverage.
Research GSA Multiple Award Schedule holders and contract vehicle participants. Identify potential teaming partners with existing government contract access and established relationships.
Understand procurement patterns, agency buying behaviors, and contract award trends. Gain insights into government spending across categories to inform your capture strategy.
Identify upcoming contract opportunities by researching incumbent contractors and contract expiration timelines. Position your company for recompetes and new requirements.
Discover technology vendors serving federal agencies and defense organizations. Research IT modernization players, cloud providers, and cybersecurity firms in the government space.
Access organizations that administer federal grants and funding programs. Identify grant-making agencies and research institutions supporting public sector initiatives.
Find government relations and lobbying firms specializing in federal and state advocacy. Identify public affairs consultants with expertise in specific agencies or policy areas.
Discover compliance consultants and service providers supporting government contractors. Find specialists in FAR/DFAR compliance, security clearances, and regulatory requirements.
Integrate our government business database directly into your BD, capture, and research systems.
import requests
API_KEY = "your_api_key_here"
BASE_URL = "https://api.websitecategorizationapi.com/v1"
# Query domains in the Government Business vertical
response = requests.get(
f"{BASE_URL}/domains/filter",
headers={"Authorization": f"Bearer {API_KEY}"},
params={
"iab_category": "Business & Finance > Government Business",
"limit": 1000,
"include_enrichment": True,
"sort_by": "popularity",
"format": "json"
}
)
gov_contractors = response.json()
# Example response:
# {
# "total_count": 125485,
# "returned": 1000,
# "domains": [
# {
# "domain": "lockheedmartin.com",
# "company_name": "Lockheed Martin Corporation",
# "iab_tier1": "Business & Finance",
# "iab_tier2": "Government Business",
# "iab_tier3": "Defense Contractors",
# "sub_category": "Aerospace & Defense",
# "employee_range": "100000+",
# "headquarters": "Bethesda, MD",
# "naics_codes": ["336411", "541330"],
# "cage_code": "1LMC0",
# "contract_vehicles": ["GSA MAS", "SEWP V", "CIO-SP3"],
# "popularity_rank": 1245
# },
# {
# "domain": "boozallen.com",
# "company_name": "Booz Allen Hamilton",
# "iab_tier1": "Business & Finance",
# "iab_tier2": "Government Business",
# "iab_tier3": "Government Consulting",
# "sub_category": "IT & Consulting Services",
# "employee_range": "25000-50000",
# "headquarters": "McLean, VA",
# "naics_codes": ["541611", "541512"],
# "cage_code": "0HQK5",
# "contract_vehicles": ["OASIS", "Alliant 2"],
# "popularity_rank": 2890
# },
# ...
# ]
# }
# Filter by specific government sub-category
defense_contractors = requests.get(
f"{BASE_URL}/domains/filter",
headers={"Authorization": f"Bearer {API_KEY}"},
params={
"iab_category": "Business & Finance > Government Business > Defense Contractors",
"limit": 500,
"include_enrichment": True
}
).json()
# Filter by GSA Schedule holders
gsa_schedule_holders = requests.get(
f"{BASE_URL}/domains/filter",
headers={"Authorization": f"Bearer {API_KEY}"},
params={
"iab_category": "Business & Finance > Government Business",
"contract_vehicle": "GSA MAS",
"limit": 500
}
).json()
# Export for BD and capture management
for contractor in gov_contractors['domains']:
add_to_capture_pipeline(contractor)API integration diagram showing data flow to BD and capture management systems
Deep categorization across all government and public sector segments.
"Federal contract spending exceeds $700 billion annually. Having a comprehensive, categorized database of government contractors and agencies is essential for anyone competing in the public sector market."
-- Federal Procurement Data System Analysis, 2024Go beyond basic domain lists with comprehensive government contractor intelligence.
Sample data export showing government contractor enrichment fields
Get instant access to 125,000+ government business domains with comprehensive enrichment data.
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Websitecategorizationapi.com offers automated classifications of websites, with both homepage and full path real-time URL classifications. Our solution is available both in dashboard and as API. It is used for brand protection, marketing leads, online filtering, use in clients own applications and for other use cases. We also offer offline categorization database of 30 million categorized domains, covering 99.9%+ of active internet.
Email contact: [email protected]
