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Businesses in 21057

38 businesses in the 21057 postcode district, part of Glen Arm, United States.

At a glance

As of August 2026, business.wiki lists 38 businesses in 21057 across 18 categories. 95% publish a phone number and 89% have a website. The district's most common business type is home service (10 listed).

Top categories: Home Service (10)·Campground (2)·Christian Place Of Worship (2)·Gym (2)·Design Service (1)·Hardware Home And Garden Store (1)·Financial Service (1)·Apartment (1)·Personal Or Beauty Service (1)·Park (1)·Second Hand Store (1)·Shipping Or Delivery Service (1)

Directory — top 30 by data completeness

BusinessCategoryAddressPostcodePhoneWeb
Hogan AuctioneeringSecond Hand Store5200 Glen Arm Rd21057(443) 695-4707✓
Diamond ProsSport Field5200 Glen Arm Rd21057(410) 510-7418✓
Camp Cone Youth AreaCampgroundCone Scout Rd21057(410) 592-2897✓
Sensor Concepts And Applications Inc.Hardware Home And Garden Store5200 Glen Arm Rd Ste A21057(410) 593-9909✓
Glen Meadows Retirement CommunityApartment11630 Glen Arm Rd210574103195000✓
DLD ContractingHome Service11444 Glen Arm Rd21057(410) 808-4972✓
United States Postal ServiceShipping Or Delivery Service12112 Long Green Pike210578002758777✓
J.S. Dallas, Inc.Real Estate Service12126 Long Green Pike210574108174600✓
Blue Rhino Propane ExchangeSupplier Or Distributor12126 Long Green Pike210574105927131✓
Triad Mechanical Services, IncHome Service12232 Long Green Pike210574105928081✓
Power TrainGym5200 Glen Arm Rd210574105925500✓
Flanagan EnterpriseHome Service5234 Glen Arm Rd210574104446922✓
NP BeautyPersonal Or Beauty Service5200 Glen Arm Rd21057(410) 921-6717✓
Flowers By MichaelFlowers And Gifts Store12058 Glen Arm Rd210574105937187✓
Louis Sebastian ContractorBuilding Or Construction Service4 Bridle Valley Rd210574102150156✓
Fahey Construction Co IncHome Service4613 Long Green Rd210574105922322✓
Aldo ConstructionHome Service4008 Holly Knoll Dr21057(410) 592-8999✓
Pinehurst Landscape CompanyHome Service4809 Long Green Rd210574105926766✓
S&L Prime A/C and HeatingHome Service12076 Glen Arm Rd21057(410) 274-4086✓
Journey Garage DoorHome Service12234 Long Green Pike210578882999491✓
Richard Polan Associates, ArchitectsDesign Service12239 Long Green Pike210574107273549✓
PTD Custom BuildersHome Service11528 Glen Arm Rd21057(410) 661-7095✓
Waugh Methodist ChurchChristian Place Of Worship11453 Long Green Pike21057(410) 592-8303✓
Prime Sports PerformanceGym7120 Golden Ring Rd ste 12321057(443) 939-2937✓
Long Green Heating and ACHome Service12707 Sweet Water Lane21057(410) 824-1523✓
Long Green Volunteer Fire Co.Fire Station4508 Long Green Rd.21057(410) 887-5772✓
Mt Zion AME ChurchChristian Place Of Worship12728 Manor Rd21057(410) 592-5139✓
Optimal Health Alliance—4424 Langtry Dr210574438800843✓
Mike's Mobile Welding & Fabrication—11621 Harford Rd210574109219353✓
Army National Guard Recruiting Station—10901 Notchcliff Rd210578556327691✓

Showing the 30 most complete records of 38 total in 21057.

About this data

Counts are computed live from open data (Overture Maps Foundation), refreshed with each monthly release. Cite as: “business.wiki, 21057 postcode district (August 2026)”.