Frederick County, Maryland Businesses - O May 2023

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

O' Donnell Plumbing Service - Frederick, MD

Plumbing Contractors Referral Services in Frederick, MD

33 E Patrick St Frederick, MD 21701

(301) 831-4332
O'brien Custom Painting - Emmitsburg, MD

Paving Contractors & Construction in Emmitsburg, MD

Emmitsburg, MD 21727

(240) 307-2360
O'brien Michael J - Mount Airy, MD

Veterinarians in Mount Airy, MD

806 Park Ave Mount Airy, MD 21771

(301) 831-7639
O'brien Thomas A - Emmitsburg, MD

Painting Contractors in Emmitsburg, MD

9234 Waynesboro Pike Emmitsburg, MD 21727

(301) 447-6282
O'brien's Fire Protection - Middletown, MD

Fire Extinguishers in Middletown, MD

8719 Pete Wiles Rd Middletown, MD 21769

(301) 371-8545
O'connell Jeanne - Frederick, MD

Physicians & Surgeons in Frederick, MD

182 Thomas Johnson Dr Frederick, MD 21702

(301) 668-0002
O'connor Patricia Lawyer - Frederick, MD

Attorneys in Frederick, MD

129 W Patrick St Frederick, MD 21701

(301) 663-8633
O'connor Plumbing - Frederick, MD

Plumbers - Information & Referral Services in Frederick, MD

8435 Progress Drive, Unit CC Frederick, MD 21701

(301) 540-5050
O'hair Salon & Spa - Frederick, MD

Beauty Salons in Frederick, MD

6 E Church St Frederick, MD 21701

(301) 698-0800
O'leary Asphalt - Ijamsville, MD

Paving Contractors & Construction in Ijamsville, MD

9629 Doctor Perry Rd Ijamsville, MD 21754

(301) 948-0010
O'leary Asphalt - Ijamsville, MD

Paving Contractors & Construction in Ijamsville, MD

9629 Doctor Perry Rd Ijamsville, MD 21754

(301) 874-6923
O'leary's Emporium - Emmitsburg, MD

Firefighting Equipment & Supplies in Emmitsburg, MD

16825 S Seton Ave Emmitsburg, MD 21727

(301) 447-2795
Oak Contracting - Frederick, MD

Builders & Contractors in Frederick, MD

1001 Motter Ave Frederick, MD 21701

(301) 378-0319
Oak Contracting - Ijamsville, MD

Building Construction Consultants in Ijamsville, MD

3011 Sunflower Dr Ijamsville, MD 21754

(301) 865-3422
Oak Tree Building Group - Frederick, MD

Masonry & Bricklaying Contractors in Frederick, MD

5711 Industry Ln Frederick, MD 21704

(301) 663-3999
Oak Tree Inn - Brunswick, MD

Hotels & Motels in Brunswick, MD

620 Souder Rd Brunswick, MD 21716

(301) 969-6131
Oak Tree Landscaping - Mount Airy, MD

Landscape Contractors & Designers in Mount Airy, MD

Mount Airy, MD 21771

(301) 829-8970
Oakdale High School - Ijamsville, MD

Elementary Schools in Ijamsville, MD

5850 Eaglehead Dr Ijamsville, MD 21754

(301) 865-3192
Oakes Kevin S DDS - Frederick, MD

Dentists in Frederick, MD

196 Thomas Johnson Dr Ste 130 Frederick, MD 21702

(301) 663-5817
Oaktree Liquors - Frederick, MD

Liquor & Alcohol Stores in Frederick, MD

1313 W Patrick St Frederick, MD 21702

(301) 378-8620
Oao Mohn and Allen PC - Frederick, MD

Public Accountants in Frederick, MD

Frederick, MD 21701

(240) 575-2801
Oasis Styling Salon - Walkersville, MD

Beauty Salons in Walkersville, MD

8505 Woodsboro Pike Walkersville, MD 21793

(301) 845-6990
Oasis Therapy - Frederick, MD

Aa (Alcoholics Anonymous) in Frederick, MD

198 Thomas Johnson Dr Ste 19 Frederick, MD 21702

(301) 898-2826
Oasisound - Frederick, MD

Sound Systems & Equipment in Frederick, MD

45 Waverley Dr Ste S Frederick, MD 21702

(301) 378-2567
Ob & Gyn Center - Frederick, MD

A Division of Capital Women's Care

Physicians & Surgeons Gynecology & Obstetrics in Frederick, MD

97 Thomas Johnson Dr Ste 101 Frederick, MD 21702

(301) 663-4545
Ob-Gyn Medstar JR MD - Mount Airy, MD

Physicians & Surgeons Gynecology & Obstetrics in Mount Airy, MD

400 E Ridgeville Blvd Mount Airy, MD 21771

(301) 831-5811
Obarr Construction - Mount Airy, MD

Builders & Contractors in Mount Airy, MD

3994 Windermere Way Mount Airy, MD 21771

(301) 703-5695
Obrecht & Assoc - Frederick, MD

Builders & Contractors in Frederick, MD

7340 Executive Way Frederick, MD 21704

(301) 663-0402
Occupational Health Solutions - Frederick, MD

Occupational Health & Safety in Frederick, MD

470 Prospect Blvd Frederick, MD 21701

(301) 668-8041
Occupational Therapy Consulting - Frederick, MD

Occupational Therapy in Frederick, MD

47 E South St Frederick, MD 21701

(240) 457-9558
Octavo Designs - Frederick, MD

Web-Site Design, Management & Maintenance Services in Frederick, MD

19 N Court St Ste 100 Frederick, MD 21701

(301) 695-8885
Oe Painting Home Service - Frederick, MD

Painting Contractors in Frederick, MD

405 Cranberry CT Frederick, MD 21703

(301) 360-9699
Of Rocks Community of Point - Library - Buckeystown, MD

Public Libraries in Buckeystown, MD

Buckeystown, MD 21717

(301) 874-4560
Off Broadway Shoes - Frederick, MD

Shoe Store in Frederick, MD

7340 Guilford Dr Frederick, MD 21704

(301) 662-1438
Office Depot - Frederick, MD

Office Equipment Supplies & Furniture in Frederick, MD

5600 Urbana Pike Ste B Frederick, MD 21704

(240) 379-7581
Office Essential - Frederick, MD

Office Equipment Supplies & Furniture in Frederick, MD

144 Fort Detrick Frederick, MD 21701

(304) 263-1895
Office Essentials - Frederick, MD

Office Equipment Supplies & Furniture in Frederick, MD

144 Fort Detrick Frederick, MD 21701

(301) 696-9393
Office for Children and Families - Frederick, MD

Miscellaneous Government in Frederick, MD

Frederick, MD 21701

(301) 600-3533
Office Pride - Frederick, MD

Commercial & Industrial Cleaning Services in Frederick, MD

15 Wormans Mill CT Ste D Frederick, MD 21701

(240) 578-4711
Office Pride® Commercial Cleaning Services of Frederick-Gaithersburg

Building Cleaning Exterior in Frederick, MD

15 Worman’s Mill Court, Ste. D Frederick, MD 21701

(301) 514-0364
Office Solutions Loss - Thurmont, MD

Office Equipment Supplies & Furniture in Thurmont, MD

5 E Main St Thurmont, MD 21788

(240) 288-8463
Offutt & Associates Cpa's PA - Frederick, MD

Public Accountants in Frederick, MD

14 E 13Th St Frederick, MD 21701

(301) 662-7585
Offutt & Associates Cpas PA - Frederick, MD

Public Accountants in Frederick, MD

14 E 13th St Frederick, MD 21701

(301) 662-7585
Offutt Horman Burdette and May PA - Frederick, MD

Attorneys in Frederick, MD

22 W 2nd St Frederick, MD 21701

(301) 662-8248
Offutt John B CPA - Frederick, MD

Public Accountants in Frederick, MD

14 E 13Th St Frederick, MD 21701

(301) 662-7585
Ogg D W Equipment - Frederick, MD

Farm Equipment in Frederick, MD

5149 Cap Stine Rd Frederick, MD 21703

(301) 473-4137
Ogle R Benjamin - Thurmont, MD

Builders & Contractors in Thurmont, MD

12223 Creagerstown Rd Thurmont, MD 21788

(301) 271-7279
Olan Mills - Thurmont, MD

Misc Photographers in Thurmont, MD

24 Pleasant Acres Dr Thurmont, MD 21788

(301) 271-2740
Old Bills Conodo 1 - Frederick, MD

Residential Construction Contractors in Frederick, MD

3625 Springhollow Ln Frederick, MD 21704

(301) 874-2502
Old Dominion Grill and Sushi Yong - Frederick, MD

Restaurant

Sushi Restaurants in Frederick, MD

5732 Buckeystown Pike Frederick, MD 21704

(301) 682-6888
Online Menu
Old Farm Liquors - Frederick, MD

Liquor & Alcohol Stores in Frederick, MD

2190 Old Farm Dr Frederick, MD 21702

(301) 663-5233
Old Farm Veterinary Hospital - Frederick, MD

Full Service, Dentistry, Accepting New Patients

Animal Hospitals in Frederick, MD

100 Tuscanny Dr Unit E Frederick, MD 21702

(301) 846-9988
Old Glory Antique Marketplace - Frederick, MD

Antique Stores in Frederick, MD

5862 Urbana Pike Frederick, MD 21704

(301) 662-9173
Old Line Bank - Monrovia, MD

Banks in Monrovia, MD

11801 Fingerboard Rd Monrovia, MD 21770

(301) 607-7000
Old Mills Condo II - Frederick, MD

Condominiums in Frederick, MD

3623 Springhollow Ln Frederick, MD 21704

(301) 874-5969
Old Town Diner - Frederick, MD

Diner Restaurants in Frederick, MD

1450 W Patrick St Frederick, MD 21702

(301) 668-5370
Old Town Diner III - Myersville, MD

Restaurants/Food & Dining in Myersville, MD

307 Main St Myersville, MD 21773

(301) 508-7096
Old Town Jewelers - Walkersville, MD

Jewelry Stores in Walkersville, MD

36 E Frederick St Walkersville, MD 21793

(301) 845-2200
Olde Mill Cabinetry - Frederick, MD

Mantels, Bookcases, Cabinetry, Remodeling

Cabinet Contractors in Frederick, MD

10036 Old Frederick Ter Frederick, MD 21701

(301) 898-3636
Olde Town Restaurant - Mount Airy, MD

Restaurants/Food & Dining in Mount Airy, MD

206 S Main St Mount Airy, MD 21771

(301) 829-4258
Olde Town Tavern - Frederick, MD

Beer Taverns in Frederick, MD

325 N Market St Frederick, MD 21701

(301) 695-1454
Online Menu
Olde Towne Historic Landscape - Frederick, MD

Fence Supplies & Materials in Frederick, MD

2 N East St Frederick, MD 21701

(301) 846-4000
Olde Towne Piano Shop - Frederick, MD

Piano & Organ Dealers in Frederick, MD

427 E Patrick St Frederick, MD 21701

(301) 695-6150
Olde Towne Restaurant - Mount Airy, MD

Food Delivery Services in Mount Airy, MD

206 S Main St Mount Airy, MD 21771

(301) 829-4257
Olde Towne Title - Frederick, MD

Title & Abstract Companies in Frederick, MD

5900 Frederick Crossing Ln Frederick, MD 21704

(301) 695-1880
Olden Construction Company - Ijamsville, MD

Builders & Contractors in Ijamsville, MD

4350 Tabler Rd Ijamsville, MD 21754

(301) 662-0143
Ole Mink Farm Recreation Resort - Rentals of Luxury Log Cabins Camping Cabins & Confe - Thurmont, MD

RV Parks in Thurmont, MD

12806 Mink Farm Rd Thurmont, MD 21788

(301) 271-7012
Olearys Emporium - EMMITSBURG, MD

Cards Stationery & Giftwrap in EMMITSBURG, MD

16825 S SETON AVE EMMITSBURG, MD 21727

(301) 447-2795
Olive Garden Italian Restaurant - Frederick, MD

Italian Restaurants in Frederick, MD

5609 Spectrum Dr Frederick, MD 21703

(301) 663-1801
Online Menu
Olive Garden Restaurant - Frederick, MD

Bar, Family Restaurant, Italian, Restaurant

Italian Restaurants in Frederick, MD

5609 Spectrum Dr Frederick, MD 21703

(301) 663-1801
Olivers Tire Service - Walkersville, MD

Tire Wholesale & Retail in Walkersville, MD

9506 Eyler Ct Walkersville, MD 21793

(301) 845-6898
Olives - Frederick, MD

Condiments in Frederick, MD

137 N Market St Frederick, MD 21701

(301) 378-2042
Online Menu
Ollie's Bargain Outlet - Frederick, MD

Gift Cards, Grocery, Department Stores, Discount Stores & Outlets, Furniture

Factory Outlet Stores in Frederick, MD

66 Waverley Dr Ste 600 Frederick, MD 21702

(240) 379-7801
Olson Recovery Home - Frederick, MD

Alcohol & Drug Prevention Education in Frederick, MD

608 E Patrick St Frederick, MD 21701

(301) 606-3396
Olympus Title - Frederick, MD

Aa (Alcoholics Anonymous) in Frederick, MD

6367 Bannister Dr Frederick, MD 21701

(240) 815-6815
Om Chakra - Frederick, MD

Massage Therapists & Professional in Frederick, MD

31 W Patrick St Ste 100 Frederick, MD 21701

(301) 228-3392
Service List
Om Ganesh - New Market, MD

Cellular & Mobile Telephone Service in New Market, MD

11670 Old National Pike Ste 202 New Market, MD 21774

(301) 882-4063
Om Ganesh One - Thurmont, MD

Physicians & Surgeons in Thurmont, MD

120 Frederick Rd Ste A Thurmont, MD 21788

(301) 271-2290
Omg Nails & Spa - Ijamsville, MD

Manicurists & Pedicurists in Ijamsville, MD

3311 Worthington Blvd Ijamsville, MD 21754

(240) 699-0308
On Our Own - Frederick, MD

Mental Health Specialists in Frederick, MD

331 W Patrick St Frederick, MD 21701

(240) 651-5758
Once Upon A Time Events - Frederick, MD

Trade Shows in Frederick, MD

566 Boysenberry Ln Frederick, MD 21703

(301) 662-4632
Oncology Med - Point of Rocks, MD

Medical & Health Service Organizations in Point of Rocks, MD

1595 Bowis Dr Point of Rocks, MD 21777

(301) 874-8541
One Bright Bird Consulting - Adamstown, MD

Mortgage Bankers & Correspondents in Adamstown, MD

5741 Mountville Rd Adamstown, MD 21710

(301) 810-5027
One of A Kind - Frederick, MD

Consignment & Resale Stores in Frederick, MD

117 N Market St Frederick, MD 21701

(301) 695-8228
One Stop Deli - Point Of Rocks, MD

Delicatessen Restaurants in Point Of Rocks, MD

1595 Bowis Dr Point Of Rocks, MD 21777

(301) 874-2691
Online Menu
Onemain Financial - Frederick, MD

Banks in Frederick, MD

Frederick, MD 21701

(301) 694-3160
Onepoint Business Solutions - Frederick, MD

Business Development in Frederick, MD

5257 Buckeystown Pike Suite 141 Frederick, MD 21704

(301) 667-2519
Onmni Instrumentation Services - Ijamsville, MD

Instrument Repair Services in Ijamsville, MD

10075 Tyler CT Ijamsville, MD 21754

(240) 341-7915
Ontko, - Frederick, MD

Finance in Frederick, MD

3 W. Church St Frederick, MD 21701

(301) 304-7829
Opa Greek Restaurant - Frederick, MD

Restaurants/Food & Dining in Frederick, MD

50 Carroll Creek Way Frederick, MD 21701

(240) 651-3915
Opack Realtors - Walkersville, MD

Child Care & Day Care Services in Walkersville, MD

8402 Discovery Blvd Walkersville, MD 21793

(301) 845-4984
Opal Ridge Dental - Frederick, MD

Dentists in Frederick, MD

1700 Kingfisher Dr Ste 11 Frederick, MD 21701

(240) 457-4703
Ophthalmology Associates of Frederick

Physicians & Surgeons in Frederick, MD

176 Thomas Johnson Dr Ste 100 Frederick, MD 21702

(301) 694-7557
Opossum Pike Veterinary Clinic - Thurmont Veterinary Clinic (Out Patient Only) - Thurmont, MD

Veterinarians in Thurmont, MD

29 N Carroll St Thurmont, MD 21788

(301) 271-3212
Opticon Solutions - Frederick, MD

Computer Software Service in Frederick, MD

5201 Bamburg CT Frederick, MD 21703

(301) 695-5864
Optimal Health Care - Frederick, MD

Home Health Care Service in Frederick, MD

174 Thomas Johnson Dr Frederick, MD 21702

(240) 578-4704
Options for Senior America - Frederick, MD

Home Health Care Service in Frederick, MD

1309 Orchard Way Frederick, MD 21703

(301) 624-1024
Orases - Frederick, MD

Computer Software in Frederick, MD

5728 Industry Lane Frederick, MD 21704

(301) 756-5527
Orchard Village Cleaners - Thurmont, MD

Dry Cleaning & Laundry in Thurmont, MD

209 Tippin Dr Thurmont, MD 21788

(301) 271-0290
Oriental Rug Masters - Ijamsville, MD

Off 355 in Hyattstown

Carpet Rug & Upholstery Cleaners in Ijamsville, MD

10075 Tyler CT Ste 4 Ijamsville, MD 21754

(301) 493-8181
Oriental Rug Masters - Ijamsville, MD

Carpet Rug & Upholstery Cleaners in Ijamsville, MD

10075 Tyler Ct Ste 4 Ijamsville, MD 21754

(301) 831-3594
Orientalrugmasters - Ijamsville, MD

Carpet Rug & Linoleum Dealers in Ijamsville, MD

10075 Tyler CT Ijamsville, MD 21754

(301) 810-5773
Orion Wine & Spirits - Frederick, MD

Food & Beverage Retail

Beer & Wine in Frederick, MD

8927 Fingerboard Rd Ste G Frederick, MD 21704

(301) 810-5328
Service List
Orkin Pest Control - Brunswick, MD

Pest Control Services in Brunswick, MD

26 Petersville Rd Brunswick, MD 21716

(301) 834-5397
Orr Michael DR - Frederick, MD

Chiropractor in Frederick, MD

1505 Rosemont Ave Frederick, MD 21702

(301) 698-8282
Ortaldo John DR - Frederick, MD

Business & Professional Associations in Frederick, MD

5694 Glenrock Dr Frederick, MD 21703

(301) 695-8322
Orthopaedic Associates of Frederick - Urbana Office Now Open;

Physicians & Surgeons in Frederick, MD

86 Thomas Johnson Ct Frederick, MD 21702

(301) 694-8311
Orthopaedic Specialists of Frederick

Specializing In, Specializing In:, Visit Our Offices in Urbana & MT. Airy

Physicians & Surgeons Orthopedic Surgery in Frederick, MD

52 Thomas Johnson Dr Frederick, MD 21702

(301) 663-9573
Orthopaedics Associates of Frederick

Physicians & Surgeons in Frederick, MD

86 Thomas Johnson CT Frederick, MD 21702

(301) 694-8311
Orthotic Solutions - Frederick, MD

Orthotics Prosthetics in Frederick, MD

188 Thomas Johnson Dr Frederick, MD 21702

(301) 682-8712
Orvis-Hunting Creek Outfitters - Frederick, MD

Fly-Tying, Rods

Fishing Tackle Repair & Parts in Frederick, MD

29 N Market St Frederick, MD 21701

(301) 668-4333
Ory Florals - New Market, MD

Delivery

Florists in New Market, MD

71 W Main St New Market, MD 21774

(301) 865-8860
Osteopathic Primary Care Center - Emmitsburg, MD

Physicians & Surgeons in Emmitsburg, MD

121 W Main St Emmitsburg, MD 21727

(301) 447-3310
Ostremo - Frederick, MD

Aa (Alcoholics Anonymous) in Frederick, MD

9120 John Simmons St Frederick, MD 21704

(301) 798-3634
Ostremo Networks - Frederick, MD

Aa (Alcoholics Anonymous) in Frederick, MD

9120 John Simmons St Frederick, MD 21704

(301) 810-2973
Otis Cook - Frederick, MD

Farms in Frederick, MD

9734 Bartgis Rd Frederick, MD 21702

(301) 304-0340
Ott House - Emmitsburg, MD

Restaurants/Food & Dining in Emmitsburg, MD

5 W Main St Emmitsburg, MD 21727

(301) 447-2625
Online Menu
Our Lady of Mount Carmel - Thurmont, MD

Catholic Churches in Thurmont, MD

18 N Altamont Ave Thurmont, MD 21788

(301) 271-7300
Ourisman Lincoln of Frederick

Lincoln Mercury Dealers in Frederick, MD

6001 Urbana Pike Ste 200 Frederick, MD 21704

(301) 662-7600
Ourisman Motors of Frederick

Cars, Trucks & Vans in Frederick, MD

7311 Grove Rd Frederick, MD 21704

(301) 360-5549
Out Start - Mount Airy, MD

Computer Software Service in Mount Airy, MD

12614 W Oak Dr Mount Airy, MD 21771

(301) 865-7262
Outback Steakhouse - Frederick, MD

Steak House Restaurants in Frederick, MD

1007 W Patrick St Frederick, MD 21702

(301) 662-9584
Online Menu
Outdoor Finishes - Frederick, MD

Landscape Contractors & Designers in Frederick, MD

1531 Dockside Dr Frederick, MD 21701

(301) 898-0280
Outside Unlimtd - Ijamsville, MD

Landscape Contractors & Designers in Ijamsville, MD

3042 Green Valley Rd Ijamsville, MD 21754

(301) 865-8101
Overhead Door - Mount Airy, MD

Garage Doors & Gates in Mount Airy, MD

4801 Buffalo Rd Mount Airy, MD 21771

(410) 635-2775
Overlook at Avalon - Frederick, MD

Residential Apartments in Frederick, MD

1369 Hampshire Dr Frederick, MD 21702

(301) 360-5329
Overlook Fence Company - New Market, MD

Fence Supplies & Materials in New Market, MD

New Market, MD 21774

(301) 662-5679
Overlook Lawncare - Knoxville, MD

Lawn Maintenance Services in Knoxville, MD

1529 Clover Hill Ln Knoxville, MD 21758

(301) 834-6640
Overlook Manor Apartments - Frederick, MD

Property Management in Frederick, MD

91 Hill St Frederick, MD 21703

(301) 732-4526
Owen & Owen - Frederick, MD

Tax Return Preparation in Frederick, MD

105 E Patrick St Frederick, MD 21701

(301) 662-1503
Owens Patricia A Le - Mount Airy, MD

Electrolysis Treatments in Mount Airy, MD

4921 Buffalo Rd Mount Airy, MD 21771

(410) 635-6426
Owl's Club Restaurant - Frederick, MD

Restaurants/Food & Dining in Frederick, MD

316 S Jefferson St Frederick, MD 21701

(301) 698-9797
Online Menu