• System for Award Management (SAM.gov) https://sam.gov/
• SBA Federal Contracting Guide https://www.sba.gov/business-guide/grow-your-business/become-federal-contractor

• eMaryland Marketplace Advantage (eMMA) https://emma.maryland.gov/
• Maryland Business Express – Government Contracting https://businessexpress.maryland.gov/grow/government-contracting
• eVA – Virginia’s eProcurement Marketplace https://eva.virginia.gov/index.html
• West Virginia Vendor Self-Service (VSS) Portal https://www.wvoasis.gov/
• Business4WV – Government Procurement https://business4.wv.gov/expandmybusiness/Pages/Government-Procurement.aspx

• SAM.gov – Contract Opportunities https://sam.gov/opportunities
• GovCB.com https://www.govcb.com/
• GovernmentContracts.us https://www.governmentcontracts.us/
• BidNet Direct – Maryland Purchasing Group https://www.bidnetdirect.com/maryland
• Government BidHub https://governmentbidhub.com/

• NIST – Government Contractor Requirements https://www.nist.gov/itl/smallbusinesscyber/guidance-topic/government-contractor-requirements
• GSA – Cybersecurity Programs and Policy https://www.gsa.gov/.../cybersecurity-programs-and-policy
• McCarter & English – Contract Compliance and Cybersecurity https://www.mccarter.com/.../cybersecurity-4
• Pillsbury Law – Cyber Compliance in Government Contracts https://www.pillsburylaw.com/.../cyber-compliance

• eMaryland Marketplace Advantage (eMMA)
  Maryland's centralized procurement portal: https://emma.maryland.gov

County-Level Agencies

• Baltimore County
  https://www.baltimorecountymd.gov/.../purchasing/...
• Montgomery County
  https://www.montgomerycountymd.gov/PRO/solicitations/index.html
• Charles County
  https://www.charlescountymd.gov/.../bid-board-eprocurement
• Carroll County
  https://www.carrollcountymd.gov/.../open-bids
• Garrett County
  https://www.garrettcountymd.gov/.../current-bids
• Prince George’s County
  https://www.princegeorgescountymd.gov/2812/Finding-Opportunities

• Pennsylvania eMarketplace Portal
  Covers state agencies and many counties/school districts: https://www.emarketplace.state.pa.us
• PennBid (widely used by local governments)
  Offers open bids for local counties and authorities: https://pennbid.bonfirehub.com/opportunities

County-Level Agencies

• Westmoreland County
  https://www.westmorelandcountypa.gov/Bids.aspx
• York County
  https://yorkcountypa.gov/Bids.aspx
• Chester County
  https://www.chesco.org/446/Public-Bids
• Washington County
  https://www.washingtoncopa.gov/439/Bids

• eVA – Virginia’s eProcurement Portal
  Statewide government contracting system: https://eva.virginia.gov

County-Level Agencies

• Fairfax County
  https://www.fairfaxcounty.gov/solicitation/
• Hanover County
  https://www.hanovercounty.gov/286/Solicitations
• Stafford County
  https://staffordcountyva.gov/government/departments_a-h/finance/procurement/bid_opportunities.php
• Frederick County
  https://www.fcva.us/departments/finance/purchasing/bids-rfps
• Clarke County
  https://www.clarkecounty.gov/business/procurement-notifications-bids-rfps
• Henrico County
  https://henrico.us/finance/divisions/purchasing/solicitations/

• WV Purchasing Division (Statewide)
  https://www.state.wv.us/admin/purchase/bidinfo.html
• WV Vendor Self-Service (wvOASIS)
  https://www.wvoasis.gov/

County-Level Agencies

• Jefferson County
  https://www.jeffersoncountywv.org/county-government/county-agencies/request-for-proposal-s
• Wood County
  https://woodcountywv.com/bids/
• Fayette County
  https://fayettecounty.wv.gov/commission/Pages/Career-Opportunities-.aspx

• GSA Advantage! – Federal Product Listings
  https://www.gsaadvantage.gov/
• USA.gov Small Business Outreach
  https://www.usa.gov/small-business
• FedBizOpps (now part of SAM.gov)
  https://sam.gov/

• Maryland Business Express
  https://businessexpress.maryland.gov/
• Pennsylvania Business One-Stop Shop
  https://business.pa.gov/
• Virginia Business One Stop
  https://bos.virginia.gov/
• West Virginia One Stop Business Portal
  https://onestop.wv.gov/

• Google Business Profile
  Manage your business's presence across Google, including Search and Maps. https://www.google.com/business/
• Facebook Business
  Engage with customers and manage your business's presence on Facebook. https://www.facebook.com/business
• Bing Places
  List your business on Bing to reach customers searching on Microsoft's platforms. https://www.bingplaces.com/
• Yelp
  Connect with local customers through reviews and business information. https://www.yelp.com/
• MapQuest
  Ensure your business is accurately represented on MapQuest's mapping service. https://www.mapquest.com/
• Superpages
  List your business in this online directory to increase visibility. https://www.superpages.com/
• Local.com
  Reach local customers searching for businesses in their area. http://www.local.com/
• Citysearch
  Promote your business in this city-specific directory. http://www.citysearch.com/
• Foursquare
  Engage with customers through location-based services and reviews. https://foursquare.com/
• DexKnows
  List your business to help customers find you in this comprehensive directory. https://www.dexknows.com/
• Insider Pages
  Connect with local customers through reviews and business listings. http://www.insiderpages.com/
• Credibility.com
  Enhance your business credibility and online presence. https://www.credibility.com/
• MerchantCircle
  Network with other local businesses and reach new customers. https://www.merchantcircle.com/
• eLocal
  Connect with customers searching for local services. https://www.elocal.com/
• EZlocal
  Improve your online visibility with local business listings. https://ezlocal.com/
• ShowMeLocal
  Promote your business and attract local customers. https://www.showmelocal.com/
• CitySquares
  Enhance your local presence through targeted business listings. https://citysquares.com/